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bench_all_ivf_logs bigann100M
`OPQ16_64,IVF1048576_HNSW32,PQ16x4fs`
Index size 2300930252code_size 8
log filename: autotune.dbbigann100M.OPQ16_64_IVF1048576_HNSW32_PQ16x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.0617 0.2012 0.3370      0.00283        4622194    106
nprobe=2,quantizer_efSearch=4            0.0509 0.1485 0.2202      0.00186        2318175    162
nprobe=4,quantizer_efSearch=4            0.0552 0.1741 0.2920      0.00189        4634521    160
nprobe=2,quantizer_efSearch=8            0.0561 0.1687 0.2494      0.00291        2312030    104
nprobe=4,quantizer_efSearch=8            0.0617 0.2012 0.3370      0.00268        4622194    113
nprobe=16,quantizer_efSearch=8           0.0673 0.2446 0.4972      0.00475       18375637    64
nprobe=16,quantizer_efSearch=32          0.0683 0.2563 0.5226      0.00774       18264454    39
nprobe=16,quantizer_efSearch=128         0.0697 0.2579 0.5270      0.02702       18209785    12
`OPQ16_64,IVF1048576_HNSW32,PQ16x4fsr`
Index size 2300807372code_size 8
log filename: autotune.dbbigann100M.OPQ16_64_IVF1048576_HNSW32_PQ16x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1833 0.4888 0.6171      0.01152       18250652    27
nprobe=1,quantizer_efSearch=4            0.0828 0.1476 0.1540      0.00216        1159516    140
nprobe=1,quantizer_efSearch=16           0.0956 0.1685 0.1751      0.00520        1148774    58
nprobe=2,quantizer_efSearch=16           0.1207 0.2415 0.2605      0.00544        2294883    56
nprobe=4,quantizer_efSearch=16           0.1455 0.3290 0.3707      0.00582        4598276    52
nprobe=8,quantizer_efSearch=16           0.1698 0.4105 0.4931      0.00662        9189188    46
nprobe=16,quantizer_efSearch=16          0.1824 0.4813 0.6069      0.00806       18312401    38
nprobe=32,quantizer_efSearch=16          0.1889 0.5270 0.6999      0.01095       36378448    28
nprobe=32,quantizer_efSearch=32          0.1908 0.5357 0.7140      0.01389       36253446    22
nprobe=32,quantizer_efSearch=64          0.1922 0.5401 0.7222      0.02034       36156802    15
nprobe=64,quantizer_efSearch=16          0.1925 0.5505 0.7649      0.02145       72098118    14
nprobe=32,quantizer_efSearch=128         0.1932 0.5414 0.7245      0.03255       36120127    10
nprobe=64,quantizer_efSearch=128         0.2004 0.5751 0.8096      0.03883       71470149    8
nprobe=128,quantizer_efSearch=128        0.2026 0.5925 0.8691      0.05587      141093325    6
nprobe=128,quantizer_efSearch=256        0.2027 0.5935 0.8709      0.07565      140940822    4
nprobe=256,quantizer_efSearch=256        0.2031 0.6038 0.9053      0.10980      277520765    3
nprobe=512,quantizer_efSearch=128        0.2039 0.6031 0.9145      0.15652      547481244    2
nprobe=512,quantizer_efSearch=256        0.2042 0.6055 0.9203      0.17360      545468933    2
nprobe=1024,quantizer_efSearch=256       0.2048 0.6052 0.9266      0.30203     1071363776    1
`OPQ16_64,IVF1048576(IVF1024,PQ32x4fs,RFlat),PQ16x4fs`
Index size 2041324048code_size 8
log filename: autotune.dbbigann100M.OPQ16_64_IVF1048576_IVF1024_PQ32x4fs_RFlat__PQ16x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                     0.0489 0.1449 0.2153      0.00145        3060390    207
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=1  0.0293 0.0758 0.0991      0.00111        1538037    272
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1  0.0355 0.0937 0.1248      0.00115        1533269    261
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=2  0.0382 0.1012 0.1311      0.00120        1894925    251
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2  0.0416 0.1116 0.1462      0.00125        1894094    240
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=2  0.0437 0.1161 0.1525      0.00135        1891253    222
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=4  0.0450 0.1202 0.1560      0.00139        2606853    217
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2  0.0489 0.1449 0.2153      0.00148        3060320    203
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2  0.0531 0.1664 0.2753      0.00180        5406986    167
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4  0.0541 0.1639 0.2417      0.00174        3764462    173
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2  0.0549 0.1760 0.2895      0.00187        5389339    161
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4  0.0584 0.1822 0.3016      0.00191        6101948    157
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4 0.0622 0.1973 0.3275      0.00247        6077289    122
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=16 0.0637 0.2024 0.3296      0.00284       10183299    106
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=32 0.0694 0.2381 0.4445      0.00493       20055897    61
`OPQ16_64,IVF1048576(IVF1024,PQ32x4fs,RFlat),PQ16x4fsr`
Index size 2041206288code_size 8
log filename: autotune.dbbigann100M.OPQ16_64_IVF1048576_IVF1024_PQ32x4fs_RFlat__PQ16x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                        0.1512 0.3512 0.4078      0.00387       12105692    78
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=1     0.0564 0.1016 0.1050      0.00156        1535276    193
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=1     0.0639 0.1155 0.1202      0.00159        1530147    189
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=2     0.0656 0.1180 0.1219      0.00167        1892294    181
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=2     0.0729 0.1326 0.1378      0.00169        1891149    178
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2     0.0804 0.1445 0.1504      0.00141        1890447    213
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=1     0.1010 0.2192 0.2447      0.00243        5012407    124
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1071 0.2136 0.2292      0.00220        3752603    137
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1140 0.2256 0.2433      0.00228        3747795    132
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2     0.1226 0.2666 0.2971      0.00242        5382351    125
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2     0.1237 0.2739 0.3076      0.00254        5372520    119
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1336 0.2919 0.3278      0.00265        6078152    114
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1384 0.3039 0.3427      0.00282        6071232    107
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.1386 0.3056 0.3461      0.00302        6063439    100
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=2     0.1396 0.3273 0.3814      0.00328       10014629    92
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.1444 0.3316 0.3835      0.00334       10753016    90
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1580 0.3727 0.4374      0.00353       10707098    86
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.1662 0.3985 0.4697      0.00406       12062877    74
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4    0.1681 0.4271 0.5296      0.00501       19900169    60
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.1707 0.4093 0.4815      0.00508       14752323    60
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.1718 0.4165 0.4950      0.00533       14737961    57
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.1791 0.4623 0.5778      0.00556       21238021    54
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=8    0.1803 0.4722 0.5902      0.00598       21193528    51
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.1850 0.4819 0.6013      0.00655       23897625    46
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.1882 0.5123 0.6714      0.00855       39352386    36
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8    0.1888 0.5167 0.6818      0.00939       39305976    32
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.1965 0.5351 0.7014      0.00955       41949411    32
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.1966 0.5401 0.7142      0.01058       41895638    29
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.1984 0.5451 0.7228      0.01242       46916794    25
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32   0.1987 0.5465 0.7244      0.01415       46985154    22
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64   0.1989 0.5472 0.7255      0.01744       57284319    18
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=32   0.2005 0.5575 0.7562      0.02190       83310476    14
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.2014 0.5719 0.7921      0.02241       77492486    14
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.2029 0.5759 0.7993      0.02501       92744262    12
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.2036 0.5822 0.8089      0.03086      112964471    10
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64   0.2038 0.5822 0.8107      0.02966       92555795    11
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=32  0.2042 0.5853 0.8269      0.03365      154221366    9
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=64  0.2046 0.5865 0.8306      0.04035      164195038    8
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64  0.2065 0.6010 0.8648      0.04264      162655436    8
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32  0.2071 0.6071 0.8933      0.07650      290142864    4
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=512 0.2072 0.6095 0.9016      0.10349      440132757    3
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=32  0.2073 0.6098 0.9113      0.16540      558807786    2
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=64 0.2086 0.6141 0.9286      0.26235     1092853824    2
`OPQ16_64,IVF262144_HNSW32,PQ16x4fs`
Index size 1775186892code_size 8
log filename: autotune.dbbigann100M.OPQ16_64_IVF262144_HNSW32_PQ16x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.0551 0.1846 0.3137      0.00193        8648918    156
nprobe=2,quantizer_efSearch=4            0.0487 0.1679 0.2876      0.00142        8665224    211
nprobe=4,quantizer_efSearch=4            0.0519 0.1938 0.3604      0.00179       17339793    168
nprobe=2,quantizer_efSearch=8            0.0551 0.1846 0.3137      0.00192        8648918    157
nprobe=8,quantizer_efSearch=4            0.0577 0.2264 0.4600      0.00262       34612089    115
nprobe=4,quantizer_efSearch=16           0.0616 0.2243 0.4167      0.00316       17285005    95
nprobe=4,quantizer_efSearch=32           0.0620 0.2258 0.4196      0.00488       17262168    62
nprobe=16,quantizer_efSearch=128         0.0623 0.2507 0.5571      0.01511       68763868    20
`OPQ16_64,IVF262144_HNSW32,PQ16x4fsr`
Index size 1775198156code_size 8
log filename: autotune.dbbigann100M.OPQ16_64_IVF262144_HNSW32_PQ16x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1797 0.5201 0.7148      0.00946       68827366    32
nprobe=1,quantizer_efSearch=4            0.0953 0.1954 0.2167      0.00169        4333346    178
nprobe=1,quantizer_efSearch=16           0.1011 0.2107 0.2335      0.00377        4302998    80
nprobe=2,quantizer_efSearch=16           0.1292 0.2957 0.3429      0.00405        8626111    75
nprobe=4,quantizer_efSearch=16           0.1507 0.3855 0.4716      0.00455       17266367    66
nprobe=8,quantizer_efSearch=16           0.1689 0.4622 0.6013      0.00547       34516023    55
nprobe=16,quantizer_efSearch=16          0.1770 0.5125 0.7038      0.00712       68929817    43
nprobe=16,quantizer_efSearch=32          0.1797 0.5201 0.7148      0.00939       68827366    32
nprobe=32,quantizer_efSearch=16          0.1846 0.5501 0.7884      0.00994      137101122    31
nprobe=32,quantizer_efSearch=32          0.1847 0.5564 0.7988      0.01212      136867383    25
nprobe=32,quantizer_efSearch=64          0.1860 0.5592 0.8036      0.01662      136737919    19
nprobe=64,quantizer_efSearch=64          0.1875 0.5782 0.8600      0.02682      271098190    12
nprobe=64,quantizer_efSearch=128         0.1876 0.5789 0.8620      0.03227      270951879    10
nprobe=128,quantizer_efSearch=64         0.1880 0.5874 0.8912      0.04277      535884949    8
nprobe=256,quantizer_efSearch=64         0.1883 0.5908 0.9064      0.08274     1057900561    4
nprobe=512,quantizer_efSearch=128        0.1892 0.5925 0.9154      0.15106     2078300265    2
`OPQ16_64,IVF262144(IVF512,PQ32x4fs,RFlat),PQ16x4fs`
Index size 1710443024code_size 8
log filename: autotune.dbbigann100M.OPQ16_64_IVF262144_IVF512_PQ32x4fs_RFlat__PQ16x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                     0.0362 0.1132 0.1692      0.00130        4525138    231
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=8  0.0369 0.1172 0.1731      0.00131        5716039    229
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=8  0.0465 0.1447 0.2167      0.00132        5712500    229
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4  0.0505 0.1707 0.2863      0.00152        9412241    198
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4  0.0515 0.1788 0.3053      0.00153        9388770    197
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=8  0.0525 0.1784 0.2982      0.00153       10067458    196
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4  0.0538 0.2022 0.3745      0.00186       18175493    162
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4 0.0572 0.2087 0.3892      0.00217       18111790    139
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=4 0.0573 0.2247 0.4541      0.00324       35485342    93
`OPQ16_64,IVF262144(IVF512,PQ32x4fs,RFlat),PQ16x4fsr`
Index size 1710370832code_size 8
log filename: autotune.dbbigann100M.OPQ16_64_IVF262144_IVF512_PQ32x4fs_RFlat__PQ16x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                        0.1220 0.2778 0.3215      0.00197       10061796    153
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.1086 0.2423 0.2770      0.00145        9457877    208
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1211 0.2769 0.3209      0.00137        9383165    220
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.1213 0.2778 0.3225      0.00139        9382005    217
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1381 0.3506 0.4266      0.00166       18156613    181
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1411 0.3611 0.4407      0.00168       18118901    179
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.1422 0.3628 0.4422      0.00178       18098322    169
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.1502 0.3817 0.4661      0.00203       18736139    148
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.1503 0.3824 0.4674      0.00215       18717034    140
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1540 0.4173 0.5360      0.00226       35611559    133
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1561 0.4243 0.5460      0.00229       35494536    131
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.1637 0.4458 0.5755      0.00276       36160574    109
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.1661 0.4553 0.5907      0.00295       36031188    102
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.1687 0.4533 0.5854      0.00323       37396775    93
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.1706 0.4633 0.6016      0.00356       37287126    85
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.1712 0.4645 0.6037      0.00363       37260739    83
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.1742 0.4862 0.6545      0.00417       72529289    72
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=8    0.1759 0.5043 0.6886      0.00397       70640224    76
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8    0.1765 0.5058 0.6899      0.00434       70609477    70
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.1810 0.5158 0.7072      0.00467       71768653    65
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16   0.1813 0.5166 0.7093      0.00524       71712401    58
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.1817 0.5191 0.7126      0.00584       74252432    52
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.1839 0.5319 0.7521      0.00622      141814367    49
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.1851 0.5479 0.7870      0.00652      140326797    46
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.1859 0.5530 0.7944      0.00759      142633262    40
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16   0.1861 0.5509 0.7934      0.00786      140015129    39
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.1865 0.5543 0.8015      0.00808      142345922    38
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.1868 0.5564 0.8032      0.00990      147365237    31
nprobe=32,quantizer_k_factor_rf=16,quantizer_nprobe=32  0.1869 0.5545 0.8017      0.01049      142291779    29
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.1870 0.5566 0.8031      0.01186      157554725    26
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.1884 0.5742 0.8539      0.01635      277427147    19
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.1890 0.5758 0.8573      0.01781      276981187    17
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=128 0.1898 0.5838 0.8918      0.03323      556453075    10
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.1899 0.5881 0.9089      0.06331     1067178801    5
`OPQ16_64,IVF65536_HNSW32,PQ16x4fs`
Index size 1643817932code_size 8
log filename: autotune.dbbigann100M.OPQ16_64_IVF65536_HNSW32_PQ16x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.0543 0.1921 0.3679      0.00163       34333334    184
nprobe=1,quantizer_efSearch=8            0.0470 0.1563 0.2703      0.00125       17147935    240
nprobe=2,quantizer_efSearch=4            0.0508 0.1799 0.3421      0.00144       34439815    209
nprobe=2,quantizer_efSearch=8            0.0543 0.1921 0.3679      0.00161       34333334    187
nprobe=2,quantizer_efSearch=16           0.0546 0.1938 0.3723      0.00202       34263917    149
nprobe=4,quantizer_efSearch=16           0.0563 0.2176 0.4564      0.00259       68550814    116
nprobe=8,quantizer_efSearch=4            0.0567 0.2272 0.5023      0.00298      137206437    101
`OPQ16_64,IVF65536_HNSW32,PQ16x4fsr`
Index size 1643833548code_size 8
log filename: autotune.dbbigann100M.OPQ16_64_IVF65536_HNSW32_PQ16x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1657 0.4844 0.6875      0.01273      136736475    24
nprobe=1,quantizer_efSearch=4            0.1022 0.2337 0.2803      0.00146       17156104    206
nprobe=1,quantizer_efSearch=16           0.1088 0.2486 0.2974      0.00247       17118224    122
nprobe=2,quantizer_efSearch=16           0.1361 0.3405 0.4281      0.00290       34277016    104
nprobe=4,quantizer_efSearch=16           0.1529 0.4212 0.5594      0.00371       68593215    81
nprobe=4,quantizer_efSearch=32           0.1543 0.4227 0.5616      0.00489       68515881    62
nprobe=8,quantizer_efSearch=16           0.1646 0.4806 0.6827      0.00494      136931379    61
nprobe=8,quantizer_efSearch=32           0.1655 0.4837 0.6866      0.00609      136788675    50
nprobe=8,quantizer_efSearch=64           0.1656 0.4840 0.6871      0.00826      136748823    37
nprobe=16,quantizer_efSearch=64          0.1731 0.5230 0.7812      0.01042      271558430    29
nprobe=32,quantizer_efSearch=64          0.1753 0.5447 0.8378      0.01420      537953568    22
nprobe=64,quantizer_efSearch=16          0.1765 0.5478 0.8559      0.02374     1065565603    13
nprobe=64,quantizer_efSearch=64          0.1781 0.5556 0.8733      0.02728     1062585442    11
nprobe=256,quantizer_efSearch=128        0.1790 0.5618 0.8947      0.08637     4105372451    4
`OPQ8_64,IVF1048576_HNSW32,PQ8`
Index size 2162284464code_size 8
log filename: autotune.dbbigann100M.OPQ8_64_IVF1048576_HNSW32_PQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1846 0.4426 0.5276      0.01075       18386885    28
nprobe=1,quantizer_efSearch=4,ht=64      0.0877 0.1498 0.1543      0.00283        1158925    106
nprobe=4,quantizer_efSearch=4,ht=64      0.1362 0.2841 0.3127      0.00307        4622679    98
nprobe=4,quantizer_efSearch=8,ht=30      0.1516 0.3083 0.3331      0.00458        4615695    66
nprobe=8,quantizer_efSearch=4,ht=30      0.1682 0.3718 0.4208      0.00638        9242512    47
nprobe=16,quantizer_efSearch=4,ht=32     0.1846 0.4426 0.5276      0.01086       18386885    28
nprobe=16,quantizer_efSearch=16,ht=30    0.1961 0.4764 0.5606      0.01215       18312295    25
nprobe=16,quantizer_efSearch=16,ht=32    0.1982 0.4897 0.5879      0.01239       18312295    25
nprobe=16,quantizer_efSearch=32,ht=30    0.1987 0.4826 0.5690      0.01515       18245586    20
nprobe=32,quantizer_efSearch=8,ht=32     0.2030 0.5200 0.6490      0.02066       36479861    15
nprobe=64,quantizer_efSearch=32,ht=64    0.2158 0.5941 0.7947      0.02161       71791371    14
nprobe=64,quantizer_efSearch=64,ht=64    0.2173 0.6005 0.8044      0.02876       71561707    11
nprobe=64,quantizer_efSearch=128,ht=64   0.2186 0.6039 0.8098      0.03555       71447021    9
nprobe=128,quantizer_efSearch=64,ht=30   0.2212 0.6106 0.8154      0.07783      141399816    4
nprobe=256,quantizer_efSearch=64,ht=32   0.2247 0.6325 0.8803      0.13981      279086876    3
nprobe=256,quantizer_efSearch=512,ht=32  0.2267 0.6405 0.8962      0.20373      277239453    2
nprobe=1024,quantizer_efSearch=256,ht=64 0.2271 0.6496 0.9395      0.27709     1070862183    2
nprobe=2048,quantizer_efSearch=256,ht=32 0.2272 0.6459 0.9251      1.06338     2083814995    1
nprobe=4096,quantizer_efSearch=512,ht=64 0.2273 0.6504 0.9452      1.05270     4034484456    1
`OPQ8_64,IVF1048576(IVF1024,PQ32x4fs,RFlat),PQ8`
Index size 1902626804code_size 8
log filename: autotune.dbbigann100M.OPQ8_64_IVF1048576_IVF1024_PQ32x4fs_RFlat__PQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                               0.2115 0.5351 0.6508      0.02079       47242389    15
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1,ht=30      0.0791 0.1359 0.1412      0.00242        2708713    124
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4,ht=24      0.0883 0.1330 0.1384      0.00292        3760524    103
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=8,ht=30      0.1003 0.1752 0.1818      0.00304        5161999    99
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=1,ht=28      0.1042 0.1938 0.2051      0.00315        5030076    96
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=4,ht=24      0.1105 0.1826 0.1934      0.00369        6080404    82
nprobe=2,quantizer_k_factor_rf=64,quantizer_nprobe=4,ht=28     0.1170 0.2024 0.2111      0.00391        3758490    77
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=16,ht=64    0.1592 0.3392 0.3740      0.00475       10158940    64
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16,ht=30     0.1805 0.4013 0.4490      0.00721       14759521    42
nprobe=8,quantizer_k_factor_rf=64,quantizer_nprobe=16,ht=64    0.1856 0.4268 0.4933      0.00962       14740423    32
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8,ht=64     0.2050 0.5274 0.6618      0.01101       39431709    28
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=28    0.2110 0.5094 0.6058      0.02127       41899841    15
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=32,ht=64    0.2240 0.6024 0.8052      0.02377       82559090    13
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=512,ht=64  0.2274 0.6289 0.8713      0.06496      304810557    5
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=256,ht=64  0.2297 0.6464 0.9273      0.14601      628896698    3
nprobe=1024,quantizer_k_factor_rf=8,quantizer_nprobe=128,ht=64 0.2301 0.6481 0.9400      0.29371     1109697833    2
`OPQ8_64,IVF262144_HNSW32,PQ8`
Index size 1740647600code_size 8
log filename: autotune.dbbigann100M.OPQ8_64_IVF262144_HNSW32_PQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1903 0.4968 0.6426      0.01015       69152865    30
nprobe=1,quantizer_efSearch=4,ht=28      0.0962 0.1789 0.1913      0.00244        4331924    123
nprobe=1,quantizer_efSearch=4,ht=64      0.1025 0.1997 0.2174      0.00244        4331924    124
nprobe=2,quantizer_efSearch=4,ht=30      0.1280 0.2683 0.2996      0.00254        8676365    119
nprobe=4,quantizer_efSearch=4,ht=64      0.1508 0.3480 0.4133      0.00278       17372504    109
nprobe=4,quantizer_efSearch=8,ht=30      0.1642 0.3776 0.4410      0.00394       17327819    77
nprobe=4,quantizer_efSearch=32,ht=64     0.1711 0.4051 0.4801      0.00571       17264147    53
nprobe=8,quantizer_efSearch=8,ht=28      0.1785 0.4296 0.5158      0.00577       34608001    52
nprobe=8,quantizer_efSearch=4,ht=30      0.1796 0.4404 0.5415      0.00578       34651346    52
nprobe=8,quantizer_efSearch=32,ht=30     0.1905 0.4750 0.5832      0.00836       34470196    36
nprobe=16,quantizer_efSearch=8,ht=28     0.1923 0.4925 0.6163      0.00980       69048362    31
nprobe=16,quantizer_efSearch=16,ht=30    0.2011 0.5268 0.6794      0.01070       68935896    29
nprobe=16,quantizer_efSearch=32,ht=30    0.2034 0.5337 0.6889      0.01239       68836944    25
nprobe=16,quantizer_efSearch=64,ht=30    0.2042 0.5355 0.6907      0.01484       68791883    21
nprobe=16,quantizer_efSearch=64,ht=32    0.2046 0.5465 0.7142      0.01538       68791883    20
nprobe=64,quantizer_efSearch=32,ht=64    0.2144 0.6064 0.8669      0.01972      271328819    16
nprobe=64,quantizer_efSearch=64,ht=64    0.2156 0.6096 0.8722      0.02176      270973642    14
nprobe=64,quantizer_efSearch=128,ht=64   0.2158 0.6104 0.8736      0.02741      270827235    11
nprobe=128,quantizer_efSearch=64,ht=30   0.2159 0.6077 0.8758      0.07101      535709754    5
nprobe=256,quantizer_efSearch=64,ht=32   0.2160 0.6211 0.9142      0.13979     1057395869    3
nprobe=256,quantizer_efSearch=512,ht=30  0.2171 0.6142 0.8982      0.17774     1054302919    2
nprobe=1024,quantizer_efSearch=256,ht=64 0.2173 0.6275 0.9362      0.26475     4072583279    2
nprobe=4096,quantizer_efSearch=512,ht=64 0.2175 0.6277 0.9370      0.97952    15230312499    1
`OPQ8_64,IVF262144(IVF512,PQ32x4fs,RFlat),PQ8`
Index size 1675869172code_size 8
log filename: autotune.dbbigann100M.OPQ8_64_IVF262144_IVF512_PQ32x4fs_RFlat__PQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                               0.1644 0.4334 0.5584      0.03273      280659229    10
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=1,ht=8       0.0017 0.0024 0.0024      0.00252        4562928    120
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=8,ht=20      0.0435 0.0653 0.0701      0.00260        5717613    116
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=2,ht=28      0.1110 0.2255 0.2449      0.00272        9108125    111
nprobe=2,quantizer_k_factor_rf=16,quantizer_nprobe=2,ht=28     0.1171 0.2420 0.2651      0.00276        9078143    109
nprobe=2,quantizer_k_factor_rf=32,quantizer_nprobe=2,ht=64     0.1241 0.2679 0.3028      0.00289        9078164    104
nprobe=2,quantizer_k_factor_rf=32,quantizer_nprobe=4,ht=30     0.1354 0.2852 0.3142      0.00299        9377820    101
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2,ht=30      0.1400 0.3150 0.3611      0.00366       17870164    83
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=8,ht=32      0.1468 0.3315 0.3812      0.00382       18865276    79
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=16,ht=64     0.1753 0.4296 0.5221      0.00403       37652111    75
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=8,ht=64      0.1878 0.4795 0.5958      0.00432       36056919    70
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8,ht=64     0.1888 0.4954 0.6292      0.00551       71466575    55
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=64,ht=32     0.1916 0.4864 0.6013      0.00911       45045933    33
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=32,ht=30    0.1917 0.4933 0.6157      0.01092       75072843    28
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=32,ht=30   0.2002 0.5382 0.6874      0.01272       74271799    24
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=128,ht=30   0.2014 0.5368 0.6845      0.01460       89737148    21
nprobe=32,quantizer_k_factor_rf=32,quantizer_nprobe=8,ht=64    0.2019 0.5691 0.7715      0.01479      139200334    21
nprobe=32,quantizer_k_factor_rf=32,quantizer_nprobe=128,ht=64  0.2114 0.5996 0.8179      0.02043      157659922    15
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=16,ht=64   0.2117 0.6169 0.8871      0.03110      541385878    10
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=64,ht=30    0.2123 0.5997 0.8273      0.03644      282503405    9
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=32,ht=32    0.2131 0.6111 0.8593      0.03945      276886096    8
nprobe=64,quantizer_k_factor_rf=64,quantizer_nprobe=256,ht=30  0.2139 0.6052 0.8370      0.06861      312374337    5
nprobe=256,quantizer_k_factor_rf=32,quantizer_nprobe=64,ht=64  0.2166 0.6344 0.9294      0.10449     1066800014    3
nprobe=512,quantizer_k_factor_rf=16,quantizer_nprobe=256,ht=64 0.2168 0.6359 0.9365      0.15479     2115669746    2
`OPQ8_64,IVF65536_HNSW32,PQ8`
Index size 1635237552code_size 8
log filename: autotune.dbbigann100M.OPQ8_64_IVF65536_HNSW32_PQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1185 0.2558 0.2954      0.00254       17144449    119
nprobe=1,quantizer_efSearch=4,ht=28      0.1072 0.2243 0.2535      0.00211       17178716    143
nprobe=1,quantizer_efSearch=4,ht=64      0.1122 0.2420 0.2819      0.00217       17178716    139
nprobe=1,quantizer_efSearch=8,ht=28      0.1139 0.2394 0.2695      0.00232       17144449    130
nprobe=1,quantizer_efSearch=8,ht=30      0.1172 0.2500 0.2871      0.00240       17144449    125
nprobe=1,quantizer_efSearch=8,ht=32      0.1185 0.2558 0.2954      0.00257       17144449    117
nprobe=2,quantizer_efSearch=8,ht=26      0.1349 0.2968 0.3421      0.00264       34313217    114
nprobe=2,quantizer_efSearch=4,ht=30      0.1363 0.3192 0.3846      0.00302       34412887    100
nprobe=2,quantizer_efSearch=8,ht=30      0.1453 0.3418 0.4126      0.00322       34313217    94
nprobe=2,quantizer_efSearch=16,ht=64     0.1494 0.3534 0.4333      0.00332       34267905    91
nprobe=4,quantizer_efSearch=4,ht=64      0.1558 0.3969 0.5129      0.00395       68847584    77
nprobe=4,quantizer_efSearch=16,ht=28     0.1653 0.4123 0.5160      0.00467       68555992    65
nprobe=4,quantizer_efSearch=8,ht=30      0.1659 0.4241 0.5403      0.00488       68671915    62
nprobe=4,quantizer_efSearch=32,ht=64     0.1698 0.4386 0.5696      0.00514       68490850    59
nprobe=4,quantizer_efSearch=64,ht=64     0.1699 0.4393 0.5704      0.00650       68475714    47
nprobe=8,quantizer_efSearch=8,ht=28      0.1782 0.4726 0.6227      0.00702      137080351    43
nprobe=8,quantizer_efSearch=4,ht=30      0.1786 0.4826 0.6443      0.00799      137233997    38
nprobe=8,quantizer_efSearch=32,ht=30     0.1833 0.5020 0.6769      0.00910      136733020    33
nprobe=8,quantizer_efSearch=64,ht=32     0.1847 0.5085 0.6933      0.01128      136698883    27
nprobe=16,quantizer_efSearch=8,ht=28     0.1873 0.5193 0.7091      0.01230      272234238    25
nprobe=16,quantizer_efSearch=16,ht=30    0.1905 0.5433 0.7618      0.01469      271900569    21
nprobe=16,quantizer_efSearch=32,ht=30    0.1919 0.5481 0.7693      0.01524      271609368    20
nprobe=16,quantizer_efSearch=64,ht=30    0.1924 0.5492 0.7707      0.01660      271507377    19
nprobe=16,quantizer_efSearch=64,ht=32    0.1932 0.5540 0.7874      0.01846      271507377    17
nprobe=32,quantizer_efSearch=128,ht=64   0.1992 0.5821 0.8601      0.02248      537843876    14
nprobe=64,quantizer_efSearch=64,ht=64    0.2022 0.5957 0.8991      0.03513     1062510083    9
nprobe=256,quantizer_efSearch=512,ht=30  0.2024 0.5951 0.8977      0.21304     4101511121    2
nprobe=512,quantizer_efSearch=32,ht=64   0.2028 0.5977 0.9137      0.23056     7784295675    2
nprobe=256,quantizer_efSearch=512,ht=32  0.2031 0.5990 0.9141      0.25538     4101511121    2
nprobe=1024,quantizer_efSearch=256,ht=64 0.2033 0.6009 0.9243      0.48085    15751281423    1
nprobe=4096,quantizer_efSearch=512,ht=64 0.2034 0.6011 0.9244      1.80809    58242226968    1
`IVF1048576_HNSW32,PQ16`
Index size 3230752617code_size 16
log filename: autotune.dbbigann100M.IVF1048576_HNSW32_PQ16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                          0.3482 0.6858 0.7165      0.03869       36560459    8
nprobe=2,quantizer_efSearch=4,ht=128      0.1578 0.2260 0.2277      0.00361        2335701    84
nprobe=4,quantizer_efSearch=4,ht=50       0.1686 0.2417 0.2439      0.00568        4662299    53
nprobe=4,quantizer_efSearch=8,ht=52       0.2048 0.2987 0.3010      0.00685        4656806    44
nprobe=8,quantizer_efSearch=8,ht=128      0.2699 0.4583 0.4688      0.00708        9314474    43
nprobe=8,quantizer_efSearch=16,ht=60      0.2801 0.4773 0.4870      0.01339        9267371    23
nprobe=16,quantizer_efSearch=4,ht=62      0.2930 0.5265 0.5425      0.01800       18557814    17
nprobe=32,quantizer_efSearch=16,ht=128    0.3440 0.6789 0.7119      0.01967       36705997    16
nprobe=32,quantizer_efSearch=32,ht=60     0.3482 0.6858 0.7165      0.03883       36560459    8
nprobe=128,quantizer_efSearch=16,ht=128   0.3663 0.7594 0.8182      0.05762      143844885    6
nprobe=64,quantizer_efSearch=128,ht=60    0.3715 0.7662 0.8153      0.08657       72040267    4
nprobe=64,quantizer_efSearch=128,ht=62    0.3722 0.7708 0.8225      0.08799       72040267    4
nprobe=128,quantizer_efSearch=256,ht=128  0.3873 0.8248 0.8991      0.10592      142092096    3
nprobe=256,quantizer_efSearch=128,ht=58   0.3920 0.8369 0.9120      0.25407      280535968    2
nprobe=256,quantizer_efSearch=128,ht=64   0.3938 0.8524 0.9394      0.26907      280535968    2
nprobe=512,quantizer_efSearch=512,ht=128  0.3968 0.8702 0.9709      0.30231      549190299    1
nprobe=2048,quantizer_efSearch=256,ht=128 0.3970 0.8774 0.9856      0.84779     2106645659    1
nprobe=1024,quantizer_efSearch=512,ht=60  0.3974 0.8715 0.9706      1.00763     1077265226    1
nprobe=4096,quantizer_efSearch=512,ht=128 0.3977 0.8800 0.9908      1.69753     4080828893    1
`IVF1048576_HNSW32,PQ32x4fs`
Index size 3499698053code_size 16
log filename: autotune.dbbigann100M.IVF1048576_HNSW32_PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2078 0.5800 0.8456      0.02694      142749615    12
nprobe=8,quantizer_efSearch=4            0.1557 0.3629 0.4497      0.00394        9330225    77
nprobe=16,quantizer_efSearch=4           0.1670 0.4097 0.5329      0.00461       18570354    66
nprobe=16,quantizer_efSearch=8           0.1791 0.4422 0.5766      0.00597       18523111    51
nprobe=32,quantizer_efSearch=8           0.1798 0.4799 0.6501      0.00718       36853116    42
nprobe=16,quantizer_efSearch=16          0.1835 0.4582 0.5959      0.00797       18465431    38
nprobe=32,quantizer_efSearch=16          0.1902 0.5064 0.6880      0.00933       36701887    33
nprobe=64,quantizer_efSearch=16          0.1937 0.5289 0.7459      0.01182       72776513    26
nprobe=32,quantizer_efSearch=32          0.1955 0.5171 0.7034      0.01355       36560840    23
nprobe=64,quantizer_efSearch=32          0.1990 0.5470 0.7746      0.01622       72443724    19
nprobe=128,quantizer_efSearch=32         0.2039 0.5659 0.8250      0.01927      143378563    16
nprobe=128,quantizer_efSearch=64         0.2078 0.5800 0.8456      0.02762      142749615    11
nprobe=128,quantizer_efSearch=128        0.2094 0.5843 0.8528      0.04080      142282616    8
`IVF1048576(IVF1024,PQ64x4fs,RFlat),PQ16`
Index size 2988403117code_size 16
log filename: autotune.dbbigann100M.IVF1048576_IVF1024_PQ64x4fs_RFlat__PQ16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                0.3745 0.7756 0.8356      0.11656      151606751    3
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1,ht=58       0.0941 0.1241 0.1248      0.00298        1536031    101
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=4,ht=52       0.1035 0.1316 0.1321      0.00331        2610349    91
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=2,ht=62      0.1142 0.1533 0.1542      0.00332        1892252    91
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1,ht=62       0.1276 0.1808 0.1823      0.00340        2705170    89
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=1,ht=58       0.1282 0.1813 0.1830      0.00347        2695131    87
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8,ht=60       0.1742 0.2525 0.2543      0.00421        5167913    72
nprobe=2,quantizer_k_factor_rf=16,quantizer_nprobe=16,ht=60     0.1777 0.2576 0.2596      0.00572        7883741    53
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=4,ht=50       0.1805 0.2584 0.2610      0.00566        6094328    54
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=16,ht=52      0.1856 0.2626 0.2644      0.00665       10224953    46
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=16,ht=64      0.2086 0.3208 0.3244      0.00696       10228749    44
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=32,ht=128     0.2793 0.4835 0.4945      0.00880       20123464    35
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=32,ht=128     0.2822 0.4922 0.5040      0.01011       20046562    30
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8,ht=62      0.2942 0.5258 0.5425      0.01707       21529578    18
nprobe=16,quantizer_k_factor_rf=32,quantizer_nprobe=8,ht=56     0.3036 0.5429 0.5583      0.02291       21247876    14
nprobe=16,quantizer_k_factor_rf=32,quantizer_nprobe=16,ht=64    0.3217 0.5959 0.6167      0.02460       23885016    13
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=128,ht=58    0.3221 0.5888 0.6060      0.02889       59583070    11
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=58     0.3468 0.6693 0.6979      0.03221       42216456    10
nprobe=32,quantizer_k_factor_rf=32,quantizer_nprobe=16,ht=58    0.3489 0.6744 0.7041      0.04483       42030068    7
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=256,ht=128   0.3744 0.7762 0.8328      0.05037      153064278    6
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=512,ht=62   0.3745 0.7733 0.8276      0.10870      227160918    3
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=56    0.3746 0.7653 0.8178      0.12511      148191765    3
nprobe=64,quantizer_k_factor_rf=64,quantizer_nprobe=512,ht=64   0.3750 0.7758 0.8314      0.15478      235663462    2
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=512,ht=62  0.3866 0.8239 0.8987      0.18615      302975508    2
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=256,ht=128  0.3967 0.8699 0.9750      0.24650      630118021    2
nprobe=1024,quantizer_k_factor_rf=16,quantizer_nprobe=128,ht=64 0.3981 0.8770 0.9871      1.11709     1115505095    1
nprobe=2048,quantizer_k_factor_rf=4,quantizer_nprobe=512,ht=64  0.3982 0.8795 0.9921      1.91754     2261484312    1
`IVF1048576(IVF1024,PQ64x4fs,RFlat),PQ32x4fs`
Index size 3257433033code_size 16
log filename: autotune.dbbigann100M.IVF1048576_IVF1024_PQ64x4fs_RFlat__PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                       0.1422 0.3279 0.3993      0.00291       10824831    104
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=1    0.0612 0.1061 0.1144      0.00160        1541629    188
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=1    0.0699 0.1229 0.1317      0.00173        1533811    174
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=2    0.0765 0.1363 0.1472      0.00169        1899739    178
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2    0.0795 0.1420 0.1524      0.00173        1894582    174
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1    0.0841 0.1628 0.1828      0.00178        2705162    169
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2    0.0905 0.1761 0.1967      0.00192        3068296    157
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2    0.1002 0.2013 0.2255      0.00196        3055120    154
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=2    0.1092 0.2318 0.2692      0.00222        5433686    136
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2    0.1153 0.2558 0.3021      0.00225        5411117    134
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4    0.1295 0.2859 0.3343      0.00251        6123030    120
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.1386 0.3037 0.3546      0.00291        7497783    104
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4    0.1422 0.3279 0.3993      0.00293       10824831    103
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4    0.1497 0.3545 0.4376      0.00305       10782366    99
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8    0.1535 0.3531 0.4288      0.00341       12188395    88
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8    0.1620 0.3857 0.4777      0.00400       12107367    76
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8   0.1676 0.4169 0.5347      0.00429       21532700    70
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.1689 0.3944 0.4856      0.00455       14843961    66
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16  0.1836 0.4596 0.5958      0.00567       24020796    53
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16  0.1852 0.4645 0.6034      0.00623       23941156    49
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16  0.1856 0.4650 0.6043      0.00737       23918269    41
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16  0.1955 0.5166 0.7046      0.00872       42068974    35
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32  0.1965 0.5256 0.7146      0.01108       47169212    28
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16  0.1985 0.5455 0.7719      0.01101       78095890    28
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32  0.2012 0.5581 0.7891      0.01312       83075973    23
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=64  0.2022 0.5607 0.7923      0.01710       93215378    18
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.2025 0.5609 0.7921      0.02201      113621232    14
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32 0.2085 0.5820 0.8513      0.02370      152915230    13
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64 0.2108 0.5872 0.8581      0.02747      162654612    11
`IVF262144_HNSW32,PQ16`
Index size 2607789161code_size 16
log filename: autotune.dbbigann100M.IVF262144_HNSW32_PQ16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3736 0.7571 0.8242      0.04077      136877891    8
nprobe=2,quantizer_efSearch=4,ht=128     0.1941 0.3057 0.3134      0.00334        8676003    90
nprobe=4,quantizer_efSearch=4,ht=50      0.2084 0.3314 0.3402      0.00638       17383723    48
nprobe=4,quantizer_efSearch=8,ht=50      0.2325 0.3692 0.3785      0.00658       17318829    46
nprobe=4,quantizer_efSearch=8,ht=52      0.2480 0.4033 0.4139      0.00681       17318829    45
nprobe=4,quantizer_efSearch=8,ht=64      0.2627 0.4527 0.4681      0.00775       17318829    39
nprobe=8,quantizer_efSearch=8,ht=128     0.3013 0.5540 0.5819      0.00778       34631901    39
nprobe=8,quantizer_efSearch=16,ht=56     0.3100 0.5604 0.5848      0.01244       34528619    25
nprobe=8,quantizer_efSearch=16,ht=60     0.3135 0.5764 0.6037      0.01293       34528619    24
nprobe=8,quantizer_efSearch=32,ht=64     0.3165 0.5840 0.6127      0.01635       34462863    19
nprobe=16,quantizer_efSearch=4,ht=62     0.3192 0.6122 0.6522      0.01940       69193061    16
nprobe=16,quantizer_efSearch=16,ht=60    0.3475 0.6709 0.7152      0.02111       68954980    15
nprobe=32,quantizer_efSearch=16,ht=128   0.3708 0.7505 0.8184      0.02200      137131338    14
nprobe=32,quantizer_efSearch=32,ht=60    0.3736 0.7571 0.8242      0.04010      136877891    8
nprobe=32,quantizer_efSearch=256,ht=58   0.3742 0.7569 0.8198      0.06934      136599470    5
nprobe=64,quantizer_efSearch=32,ht=56    0.3853 0.7852 0.8605      0.07149      271524925    5
nprobe=64,quantizer_efSearch=128,ht=62   0.3907 0.8118 0.9002      0.08940      270902618    4
nprobe=64,quantizer_efSearch=128,ht=60   0.3908 0.8099 0.8971      0.08911      270902618    4
nprobe=128,quantizer_efSearch=256,ht=128 0.3960 0.8418 0.9487      0.11234      535372006    3
nprobe=128,quantizer_efSearch=128,ht=62  0.3964 0.8401 0.9454      0.15522      535599897    2
nprobe=256,quantizer_efSearch=128,ht=58  0.3977 0.8472 0.9570      0.27441     1057001540    2
nprobe=256,quantizer_efSearch=128,ht=64  0.3984 0.8550 0.9729      0.28983     1057001540    2
nprobe=512,quantizer_efSearch=512,ht=128 0.3995 0.8619 0.9871      0.33006     2076798340    1
nprobe=512,quantizer_efSearch=512,ht=60  0.3998 0.8587 0.9809      0.57046     2076798340    1
nprobe=1024,quantizer_efSearch=256,ht=60 0.3999 0.8593 0.9841      1.03035     4082368773    1
nprobe=1024,quantizer_efSearch=512,ht=60 0.4002 0.8599 0.9853      1.07778     4077315210    1
`IVF262144_HNSW32,PQ32x4fs`
Index size 2674732165code_size 16
log filename: autotune.dbbigann100M.IVF262144_HNSW32_PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1550 0.3682 0.4588      0.00331       17321846    91
nprobe=2,quantizer_efSearch=4            0.1179 0.2560 0.3062      0.00189        8690273    159
nprobe=4,quantizer_efSearch=4            0.1384 0.3263 0.4068      0.00229       17386447    132
nprobe=4,quantizer_efSearch=8            0.1550 0.3682 0.4588      0.00319       17321846    94
nprobe=8,quantizer_efSearch=4            0.1660 0.4215 0.5484      0.00331       34643497    91
nprobe=8,quantizer_efSearch=8            0.1709 0.4354 0.5667      0.00377       34613977    80
nprobe=16,quantizer_efSearch=4           0.1738 0.4659 0.6267      0.00486       69152134    62
nprobe=8,quantizer_efSearch=16           0.1763 0.4556 0.5931      0.00543       34517355    56
nprobe=16,quantizer_efSearch=8           0.1858 0.4967 0.6741      0.00510       69033684    59
nprobe=16,quantizer_efSearch=16          0.1894 0.5100 0.6930      0.00646       68924460    47
nprobe=32,quantizer_efSearch=8           0.1912 0.5240 0.7370      0.00674      137399486    45
nprobe=32,quantizer_efSearch=16          0.1974 0.5483 0.7749      0.00877      137116111    35
nprobe=32,quantizer_efSearch=32          0.1987 0.5563 0.7863      0.01092      136852173    28
nprobe=64,quantizer_efSearch=32          0.2005 0.5781 0.8389      0.01422      271518705    22
nprobe=64,quantizer_efSearch=64          0.2019 0.5832 0.8462      0.01876      271115869    17
`IVF262144(IVF512,PQ64x4fs,RFlat),PQ16`
Index size 2547478957code_size 16
log filename: autotune.dbbigann100M.IVF262144_IVF512_PQ64x4fs_RFlat__PQ16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                0.3879 0.8159 0.8999      0.07597      291544888    4
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2,ht=2        0.0002 0.0002 0.0002      0.00259        4694672    116
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=2,ht=46       0.0979 0.1297 0.1314      0.00262        4688203    115
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=4,ht=64       0.1337 0.1932 0.1954      0.00261        5047027    115
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1,ht=50       0.1341 0.1965 0.1998      0.00313        8922718    96
nprobe=1,quantizer_k_factor_rf=64,quantizer_nprobe=4,ht=56      0.1489 0.2131 0.2157      0.00351        5019412    86
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=128     0.1588 0.2323 0.2352      0.00360        7021425    84
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=16,ht=60     0.1590 0.2311 0.2339      0.00393        7015062    77
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=16,ht=48      0.1743 0.2482 0.2516      0.00404       11344098    75
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=2,ht=128     0.2303 0.3932 0.4066      0.00467       17777788    65
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8,ht=64       0.2679 0.4592 0.4736      0.00642       18765448    47
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=8,ht=58      0.2694 0.4592 0.4725      0.00783       18679453    39
nprobe=4,quantizer_k_factor_rf=64,quantizer_nprobe=16,ht=62     0.2737 0.4743 0.4888      0.00987       19970988    31
nprobe=8,quantizer_k_factor_rf=32,quantizer_nprobe=8,ht=54      0.3023 0.5368 0.5574      0.01268       35963254    24
nprobe=8,quantizer_k_factor_rf=64,quantizer_nprobe=32,ht=128    0.3185 0.5895 0.6185      0.01472       39779050    21
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=64,ht=128    0.3451 0.6812 0.7289      0.01503       79520356    20
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64,ht=128    0.3737 0.7708 0.8388      0.02407      147147519    13
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=32,ht=128    0.3882 0.8174 0.9046      0.04452      276472825    7
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=62    0.3888 0.8281 0.9234      0.14444      540874019    3
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=60    0.3893 0.8345 0.9376      0.26872     1067993514    2
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=64,ht=128   0.3976 0.8647 0.9891      0.31102     2088678426    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=64,ht=62   0.3981 0.8654 0.9904      1.05163     4096824733    1
nprobe=1024,quantizer_k_factor_rf=64,quantizer_nprobe=256,ht=60 0.3982 0.8643 0.9867      1.70115     4114002227    1
nprobe=4096,quantizer_k_factor_rf=2,quantizer_nprobe=256,ht=128 0.3985 0.8675 0.9963      2.08797    15679178330    1
`IVF262144(IVF512,PQ64x4fs,RFlat),PQ32x4fs`
Index size 2614339529code_size 16
log filename: autotune.dbbigann100M.IVF262144_IVF512_PQ64x4fs_RFlat__PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                      0.1868 0.4970 0.6740      0.00452       70757470    67
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1   0.0801 0.1549 0.1766      0.00124        4533782    242
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=1   0.0810 0.1561 0.1777      0.00133        4531361    227
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=4   0.0978 0.1942 0.2210      0.00140        5029719    214
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=4   0.0988 0.1959 0.2233      0.00148        5025192    204
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2   0.1054 0.2246 0.2663      0.00143        9103362    210
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=4   0.1168 0.2481 0.2918      0.00159        9406983    189
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4   0.1256 0.2689 0.3193      0.00161        9387092    187
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4   0.1283 0.2759 0.3282      0.00183        9350660    165
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8   0.1346 0.2913 0.3448      0.00202       10030492    149
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=4   0.1423 0.3272 0.4016      0.00202       18214251    149
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4   0.1504 0.3554 0.4406      0.00205       18142735    147
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4   0.1525 0.3591 0.4463      0.00222       18097086    135
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4   0.1577 0.3958 0.5076      0.00270       35891861    112
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=16  0.1607 0.3821 0.4734      0.00297       20053116    101
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8   0.1668 0.4251 0.5429      0.00303       36424227    99
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=16  0.1679 0.4315 0.5531      0.00362       37639556    84
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=4  0.1718 0.4456 0.5927      0.00391       71239360    77
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8   0.1743 0.4496 0.5808      0.00316       36134395    95
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16  0.1792 0.4623 0.6001      0.00391       37244068    77
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8  0.1823 0.4835 0.6471      0.00430       71558587    70
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8  0.1868 0.4970 0.6740      0.00437       70758018    69
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16 0.1886 0.5126 0.6956      0.00493       71866281    61
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=32 0.1910 0.5162 0.6999      0.00626       74355409    48
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8  0.1929 0.5310 0.7469      0.00627      139395624    48
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=16 0.1965 0.5359 0.7522      0.00696      142335691    44
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32 0.2003 0.5588 0.7893      0.00846      142543056    36
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16 0.2007 0.5748 0.8353      0.01086      275411435    28
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32 0.2017 0.5816 0.8461      0.01220      277314844    25
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64 0.2031 0.5845 0.8516      0.01609      281316339    19
`IVF65536_HNSW32,PQ16`
Index size 2452047465code_size 16
log filename: autotune.dbbigann100M.IVF65536_HNSW32_PQ16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3615 0.7940 0.8901      0.04618      538008730    7
nprobe=1,quantizer_efSearch=4,ht=60      0.1657 0.2692 0.2760      0.00308       17152932    98
nprobe=2,quantizer_efSearch=4,ht=46      0.1730 0.2696 0.2781      0.00324       34382748    93
nprobe=1,quantizer_efSearch=8,ht=58      0.1771 0.2869 0.2936      0.00324       17119550    93
nprobe=1,quantizer_efSearch=16,ht=58     0.1803 0.2913 0.2981      0.00386       17095184    78
nprobe=1,quantizer_efSearch=16,ht=128    0.1815 0.2956 0.3028      0.00370       17095184    82
nprobe=2,quantizer_efSearch=4,ht=128     0.2173 0.3796 0.3958      0.00415       34382748    73
nprobe=2,quantizer_efSearch=16,ht=52     0.2282 0.3861 0.3992      0.00470       34242041    64
nprobe=4,quantizer_efSearch=4,ht=50      0.2366 0.4215 0.4401      0.00556       68661451    54
nprobe=2,quantizer_efSearch=16,ht=62     0.2372 0.4180 0.4354      0.00560       34242041    54
nprobe=4,quantizer_efSearch=8,ht=50      0.2570 0.4609 0.4803      0.00593       68486621    51
nprobe=4,quantizer_efSearch=16,ht=50     0.2608 0.4685 0.4881      0.00642       68375019    47
nprobe=4,quantizer_efSearch=8,ht=64      0.2777 0.5333 0.5652      0.00818       68486621    37
nprobe=8,quantizer_efSearch=8,ht=48      0.2817 0.5098 0.5342      0.00957      136831978    32
nprobe=8,quantizer_efSearch=8,ht=128     0.3165 0.6418 0.6938      0.00987      136831978    31
nprobe=8,quantizer_efSearch=16,ht=56     0.3225 0.6467 0.6942      0.01193      136630469    26
nprobe=8,quantizer_efSearch=32,ht=56     0.3230 0.6496 0.6973      0.01290      136477152    24
nprobe=8,quantizer_efSearch=16,ht=60     0.3247 0.6582 0.7099      0.01355      136630469    23
nprobe=16,quantizer_efSearch=16,ht=60    0.3453 0.7354 0.8089      0.02392      271735245    13
nprobe=16,quantizer_efSearch=64,ht=64    0.3487 0.7470 0.8237      0.03001      271276848    10
nprobe=32,quantizer_efSearch=16,ht=128   0.3589 0.7895 0.8853      0.03759      538702647    8
nprobe=32,quantizer_efSearch=32,ht=60    0.3615 0.7940 0.8901      0.04459      538008730    7
nprobe=32,quantizer_efSearch=256,ht=58   0.3622 0.7938 0.8883      0.05493      537581097    6
nprobe=32,quantizer_efSearch=256,ht=64   0.3627 0.8005 0.8994      0.06435      537581097    5
nprobe=64,quantizer_efSearch=32,ht=56    0.3644 0.8101 0.9147      0.07221     1064058895    5
nprobe=64,quantizer_efSearch=128,ht=60   0.3674 0.8272 0.9431      0.08736     1062710661    4
nprobe=64,quantizer_efSearch=512,ht=128  0.3682 0.8312 0.9496      0.09330     1062602709    4
nprobe=128,quantizer_efSearch=256,ht=128 0.3710 0.8443 0.9760      0.12342     2092063097    3
nprobe=256,quantizer_efSearch=128,ht=58  0.3718 0.8428 0.9760      0.28481     4110477857    2
nprobe=256,quantizer_efSearch=512,ht=58  0.3720 0.8433 0.9769      0.30882     4107967780    1
nprobe=512,quantizer_efSearch=512,ht=128 0.3731 0.8518 0.9936      0.53456     8055692320    1
`IVF65536_HNSW32,PQ32x4fs`
Index size 2468761221code_size 16
log filename: autotune.dbbigann100M.IVF65536_HNSW32_PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1651 0.4183 0.5470      0.00385       68479507    78
nprobe=2,quantizer_efSearch=4            0.1340 0.3127 0.3878      0.00242       34374421    125
nprobe=2,quantizer_efSearch=8            0.1446 0.3381 0.4200      0.00273       34286453    110
nprobe=2,quantizer_efSearch=16           0.1475 0.3441 0.4267      0.00331       34238920    91
nprobe=4,quantizer_efSearch=4            0.1515 0.3805 0.4962      0.00347       68625881    87
nprobe=4,quantizer_efSearch=8            0.1651 0.4183 0.5470      0.00383       68479507    79
nprobe=4,quantizer_efSearch=16           0.1682 0.4260 0.5568      0.00437       68370381    69
nprobe=8,quantizer_efSearch=4            0.1767 0.4709 0.6476      0.00523      136935961    58
nprobe=8,quantizer_efSearch=8            0.1814 0.4832 0.6648      0.00526      136812349    58
nprobe=8,quantizer_efSearch=16           0.1868 0.4967 0.6843      0.00585      136622814    52
nprobe=8,quantizer_efSearch=32           0.1875 0.4994 0.6885      0.00707      136470427    43
nprobe=16,quantizer_efSearch=8           0.1914 0.5336 0.7580      0.00736      272111676    41
nprobe=16,quantizer_efSearch=16          0.1923 0.5426 0.7730      0.00800      271733407    38
nprobe=32,quantizer_efSearch=8           0.1967 0.5547 0.8065      0.00949      539867179    32
nprobe=32,quantizer_efSearch=16          0.1988 0.5687 0.8322      0.00974      538654762    31
nprobe=32,quantizer_efSearch=32          0.2012 0.5760 0.8433      0.01081      537985499    29
nprobe=32,quantizer_efSearch=64          0.2024 0.5775 0.8453      0.01524      537674417    20
nprobe=64,quantizer_efSearch=32          0.2028 0.5889 0.8792      0.01525     1064032467    20
nprobe=32,quantizer_efSearch=128         0.2030 0.5784 0.8464      0.02033      537590528    15
nprobe=64,quantizer_efSearch=128         0.2049 0.5929 0.8851      0.02606     1062689884    12
nprobe=128,quantizer_efSearch=128        0.2071 0.5975 0.9026      0.02970     2092307879    11
nprobe=256,quantizer_efSearch=128        0.2074 0.5993 0.9101      0.03704     4110399404    9
`OPQ16_64,IVF1048576_HNSW32,PQ16`
Index size 2962284464code_size 16
log filename: autotune.dbbigann100M.OPQ16_64_IVF1048576_HNSW32_PQ16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                          0.3768 0.6838 0.7070      0.03115       36269600    10
nprobe=2,quantizer_efSearch=4,ht=128      0.1611 0.2238 0.2256      0.00296        2319566    102
nprobe=4,quantizer_efSearch=8,ht=50       0.1689 0.2279 0.2298      0.00521        4625139    58
nprobe=4,quantizer_efSearch=8,ht=52       0.1910 0.2634 0.2654      0.00530        4625139    57
nprobe=4,quantizer_efSearch=8,ht=64       0.2324 0.3510 0.3544      0.00563        4625139    54
nprobe=8,quantizer_efSearch=8,ht=128      0.2783 0.4575 0.4647      0.00550        9240115    55
nprobe=8,quantizer_efSearch=16,ht=56      0.2817 0.4380 0.4431      0.00999        9193256    31
nprobe=8,quantizer_efSearch=16,ht=60      0.2926 0.4735 0.4801      0.00992        9193256    31
nprobe=8,quantizer_efSearch=32,ht=64      0.2986 0.4867 0.4945      0.01317        9159574    23
nprobe=16,quantizer_efSearch=4,ht=62      0.3079 0.5255 0.5378      0.01448       18393420    21
nprobe=32,quantizer_efSearch=16,ht=128    0.3714 0.6799 0.7061      0.01470       36384169    21
nprobe=32,quantizer_efSearch=32,ht=60     0.3768 0.6838 0.7070      0.02960       36269600    11
nprobe=128,quantizer_efSearch=16,ht=128   0.4006 0.7710 0.8168      0.04338      142516548    7
nprobe=64,quantizer_efSearch=128,ht=62    0.4092 0.7780 0.8178      0.06711       71522585    5
nprobe=128,quantizer_efSearch=256,ht=128  0.4274 0.8425 0.8996      0.07848      141058684    4
nprobe=256,quantizer_efSearch=128,ht=58   0.4294 0.8445 0.8977      0.20825      278301157    2
nprobe=256,quantizer_efSearch=128,ht=64   0.4332 0.8718 0.9401      0.20743      278301157    2
nprobe=512,quantizer_efSearch=512,ht=128  0.4374 0.8925 0.9721      0.24586      545083377    2
nprobe=4096,quantizer_efSearch=512,ht=128 0.4395 0.9045 0.9954      1.33114     4041055155    1
`OPQ16_64,IVF1048576(IVF1024,PQ32x4fs,RFlat),PQ16`
Index size 2702633460code_size 16
log filename: autotune.dbbigann100M.OPQ16_64_IVF1048576_IVF1024_PQ32x4fs_RFlat__PQ16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                 0.3944 0.7726 0.8137      0.09414      150090504    4
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=1,ht=12        0.0003 0.0003 0.0003      0.00248        1530721    122
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1,ht=58        0.0906 0.1201 0.1202      0.00254        1533428    119
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=4,ht=52        0.0930 0.1174 0.1174      0.00262        2606862    115
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=1,ht=58        0.1295 0.1793 0.1803      0.00280        2693384    108
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8,ht=60        0.1749 0.2455 0.2466      0.00328        5149779    92
nprobe=2,quantizer_k_factor_rf=16,quantizer_nprobe=16,ht=60      0.1829 0.2560 0.2575      0.00425        7861711    71
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=16,ht=64       0.1957 0.2912 0.2929      0.00553       10188492    55
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=4,ht=54       0.1984 0.2893 0.2911      0.00545        6074192    56
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=32,ht=128      0.2782 0.4603 0.4673      0.00747       20088842    41
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=32,ht=128      0.2943 0.4898 0.4979      0.00732       20032467    41
nprobe=16,quantizer_k_factor_rf=32,quantizer_nprobe=8,ht=56      0.3207 0.5362 0.5460      0.01828       21208323    17
nprobe=16,quantizer_k_factor_rf=32,quantizer_nprobe=16,ht=64     0.3405 0.6006 0.6164      0.01975       23871410    16
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=58      0.3617 0.6554 0.6741      0.02638       42060379    12
nprobe=32,quantizer_k_factor_rf=32,quantizer_nprobe=16,ht=58     0.3641 0.6703 0.6922      0.04464       41896344    7
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=58      0.3873 0.7395 0.7724      0.05385       77551364    6
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=256,ht=128    0.3953 0.7786 0.8230      0.03889      154010529    8
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=512,ht=62    0.3957 0.7760 0.8189      0.08314      235218131    4
nprobe=64,quantizer_k_factor_rf=64,quantizer_nprobe=512,ht=64    0.3966 0.7793 0.8232      0.12811      235216961    3
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=512,ht=62   0.4123 0.8360 0.8927      0.13614      304855073    3
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=256,ht=128   0.4248 0.8933 0.9738      0.20092      628061562    2
nprobe=1024,quantizer_k_factor_rf=16,quantizer_nprobe=128,ht=64  0.4258 0.8996 0.9854      0.89343     1111147155    1
nprobe=2048,quantizer_k_factor_rf=4,quantizer_nprobe=512,ht=64   0.4261 0.9026 0.9923      1.55820     2247233319    1
nprobe=4096,quantizer_k_factor_rf=64,quantizer_nprobe=512,ht=128 0.4265 0.9050 0.9985      3.73839     4240199164    1
`OPQ16_64,IVF262144_HNSW32,PQ16`
Index size 2540647600code_size 16
log filename: autotune.dbbigann100M.OPQ16_64_IVF262144_HNSW32_PQ16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3923 0.7759 0.8194      0.02961      136893191    11
nprobe=2,quantizer_efSearch=4,ht=46      0.1192 0.1576 0.1595      0.00249        8672707    121
nprobe=2,quantizer_efSearch=4,ht=128     0.2043 0.3112 0.3154      0.00262        8672707    115
nprobe=2,quantizer_efSearch=16,ht=54     0.2120 0.3079 0.3113      0.00398        8626216    76
nprobe=2,quantizer_efSearch=16,ht=62     0.2271 0.3450 0.3494      0.00434        8626216    70
nprobe=4,quantizer_efSearch=8,ht=52      0.2438 0.3744 0.3796      0.00463       17321476    65
nprobe=4,quantizer_efSearch=8,ht=64      0.2734 0.4564 0.4648      0.00549       17321476    55
nprobe=8,quantizer_efSearch=8,ht=128     0.3212 0.5713 0.5886      0.00572       34576866    53
nprobe=8,quantizer_efSearch=16,ht=56     0.3235 0.5620 0.5754      0.00912       34484453    33
nprobe=8,quantizer_efSearch=16,ht=60     0.3312 0.5886 0.6055      0.00924       34484453    33
nprobe=8,quantizer_efSearch=32,ht=64     0.3357 0.5987 0.6176      0.01161       34438629    26
nprobe=16,quantizer_efSearch=4,ht=62     0.3364 0.6306 0.6559      0.01556       69107401    20
nprobe=16,quantizer_efSearch=16,ht=60    0.3611 0.6861 0.7145      0.01582       68915281    19
nprobe=32,quantizer_efSearch=16,ht=128   0.3871 0.7705 0.8171      0.01815      137109397    17
nprobe=32,quantizer_efSearch=32,ht=60    0.3923 0.7759 0.8194      0.03045      136893191    10
nprobe=32,quantizer_efSearch=256,ht=64   0.3948 0.7873 0.8343      0.05125      136718644    6
nprobe=64,quantizer_efSearch=32,ht=56    0.4013 0.7952 0.8419      0.05368      271429654    6
nprobe=128,quantizer_efSearch=16,ht=128  0.4035 0.8315 0.9006      0.06310      537978050    5
nprobe=64,quantizer_efSearch=128,ht=62   0.4090 0.8380 0.9000      0.06476      270909381    5
nprobe=128,quantizer_efSearch=256,ht=128 0.4195 0.8735 0.9519      0.08040      535282917    4
nprobe=256,quantizer_efSearch=128,ht=64  0.4218 0.8897 0.9760      0.23828     1056051298    2
nprobe=512,quantizer_efSearch=128,ht=60  0.4233 0.8910 0.9772      0.41014     2079149370    1
nprobe=512,quantizer_efSearch=512,ht=60  0.4242 0.8925 0.9793      0.44397     2074533052    1
`OPQ16_64,IVF262144(IVF512,PQ32x4fs,RFlat),PQ16`
Index size 2475867636code_size 16
log filename: autotune.dbbigann100M.OPQ16_64_IVF262144_IVF512_PQ32x4fs_RFlat__PQ16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                0.4091 0.8342 0.8922      0.05927      292063200    6
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=2,ht=46       0.0832 0.1067 0.1077      0.00256        4698767    117
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=4,ht=58       0.1229 0.1706 0.1713      0.00266        5049801    113
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=4,ht=64       0.1250 0.1760 0.1769      0.00258        5049797    117
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1,ht=50       0.1277 0.1764 0.1785      0.00283        8942615    106
nprobe=1,quantizer_k_factor_rf=64,quantizer_nprobe=4,ht=56      0.1523 0.2110 0.2123      0.00295        5026577    102
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=128     0.1651 0.2340 0.2355      0.00318        7027489    95
nprobe=2,quantizer_k_factor_rf=64,quantizer_nprobe=2,ht=58      0.1889 0.2902 0.2938      0.00361        9071254    84
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=62      0.2227 0.3447 0.3487      0.00382       11357125    79
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=2,ht=128     0.2385 0.3935 0.4032      0.00398       17819211    76
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8,ht=64       0.2661 0.4421 0.4514      0.00563       18799533    54
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=8,ht=58      0.2715 0.4486 0.4579      0.00579       18726237    52
nprobe=4,quantizer_k_factor_rf=64,quantizer_nprobe=16,ht=62     0.2799 0.4680 0.4784      0.00753       20017943    40
nprobe=8,quantizer_k_factor_rf=32,quantizer_nprobe=8,ht=54      0.3096 0.5230 0.5356      0.00952       36023294    32
nprobe=8,quantizer_k_factor_rf=64,quantizer_nprobe=32,ht=128    0.3334 0.6000 0.6199      0.01254       39812865    24
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=64,ht=128    0.3601 0.6859 0.7156      0.01255       79567159    24
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64,ht=128    0.3944 0.7882 0.8345      0.02111      147505611    15
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=256,ht=128   0.3947 0.7895 0.8361      0.02644      178017201    12
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=32,ht=128    0.4099 0.8389 0.9023      0.03696      276979496    9
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=64,ht=128   0.4118 0.8419 0.9058      0.04293      281803281    7
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=60    0.4127 0.8603 0.9329      0.21110     1068515081    2
nprobe=256,quantizer_k_factor_rf=16,quantizer_nprobe=128,ht=56  0.4148 0.8521 0.9183      0.22759     1077043750    2
nprobe=256,quantizer_k_factor_rf=16,quantizer_nprobe=256,ht=60  0.4206 0.8840 0.9666      0.23938     1097406724    2
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=64,ht=128   0.4238 0.8976 0.9909      0.25235     2089280441    2
nprobe=4096,quantizer_k_factor_rf=2,quantizer_nprobe=256,ht=128 0.4243 0.9014 0.9986      1.69141    15661535023    1
`OPQ16_64,IVF65536_HNSW32,PQ16`
Index size 2435237552code_size 16
log filename: autotune.dbbigann100M.OPQ16_64_IVF65536_HNSW32_PQ16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                          0.3920 0.8224 0.8940      0.03785      538450980    8
nprobe=1,quantizer_efSearch=8,ht=34       0.0230 0.0307 0.0319      0.00249       17146294    121
nprobe=1,quantizer_efSearch=4,ht=60       0.1798 0.2762 0.2817      0.00254       17160721    119
nprobe=1,quantizer_efSearch=8,ht=58       0.1881 0.2896 0.2951      0.00259       17146294    116
nprobe=1,quantizer_efSearch=16,ht=58      0.1896 0.2925 0.2980      0.00296       17123045    102
nprobe=1,quantizer_efSearch=16,ht=128     0.1911 0.2965 0.3026      0.00307       17123045    98
nprobe=2,quantizer_efSearch=16,ht=54      0.2458 0.3987 0.4078      0.00377       34263640    80
nprobe=2,quantizer_efSearch=16,ht=62      0.2543 0.4258 0.4386      0.00463       34263640    65
nprobe=4,quantizer_efSearch=8,ht=50       0.2653 0.4359 0.4467      0.00485       68686619    62
nprobe=4,quantizer_efSearch=8,ht=52       0.2821 0.4794 0.4930      0.00514       68686619    59
nprobe=4,quantizer_efSearch=8,ht=64       0.3004 0.5431 0.5654      0.00723       68686619    42
nprobe=8,quantizer_efSearch=8,ht=128      0.3398 0.6575 0.6965      0.00938      137100821    32
nprobe=8,quantizer_efSearch=16,ht=56      0.3405 0.6537 0.6880      0.01001      136866520    30
nprobe=8,quantizer_efSearch=32,ht=56      0.3415 0.6571 0.6912      0.01061      136756586    29
nprobe=8,quantizer_efSearch=16,ht=60      0.3452 0.6707 0.7102      0.01137      136866520    27
nprobe=8,quantizer_efSearch=32,ht=64      0.3464 0.6774 0.7177      0.01380      136756586    22
nprobe=16,quantizer_efSearch=4,ht=62      0.3584 0.7114 0.7627      0.02161      272598610    14
nprobe=16,quantizer_efSearch=16,ht=60     0.3718 0.7578 0.8127      0.02041      271997358    15
nprobe=16,quantizer_efSearch=64,ht=64     0.3747 0.7684 0.8252      0.02521      271625771    12
nprobe=32,quantizer_efSearch=8,ht=54      0.3751 0.7474 0.7971      0.03185      540138283    10
nprobe=32,quantizer_efSearch=16,ht=128    0.3900 0.8161 0.8896      0.03130      539205858    10
nprobe=32,quantizer_efSearch=32,ht=60     0.3920 0.8224 0.8940      0.03814      538450980    8
nprobe=32,quantizer_efSearch=256,ht=64    0.3939 0.8275 0.9022      0.05673      538074041    6
nprobe=64,quantizer_efSearch=32,ht=56     0.3982 0.8354 0.9100      0.06364     1063892817    5
nprobe=64,quantizer_efSearch=128,ht=60    0.4031 0.8591 0.9459      0.07527     1062647610    4
nprobe=64,quantizer_efSearch=128,ht=62    0.4039 0.8605 0.9497      0.08142     1062647610    4
nprobe=64,quantizer_efSearch=512,ht=128   0.4041 0.8619 0.9522      0.09042     1062543522    4
nprobe=128,quantizer_efSearch=256,ht=128  0.4083 0.8792 0.9801      0.12801     2090857691    3
nprobe=256,quantizer_efSearch=128,ht=64   0.4094 0.8857 0.9913      0.31999     4106265311    1
nprobe=512,quantizer_efSearch=512,ht=128  0.4101 0.8889 0.9968      0.46397     8043809388    1
nprobe=2048,quantizer_efSearch=256,ht=128 0.4103 0.8890 0.9974      1.65387    30262717972    1
`OPQ32_64,IVF1048576_HNSW32,PQ32x4fs`
Index size 3231190988code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF1048576_HNSW32_PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1328 0.3005 0.3526      0.00272        4661143    111
nprobe=2,quantizer_efSearch=4            0.0979 0.1983 0.2244      0.00170        2342522    177
nprobe=4,quantizer_efSearch=4            0.1178 0.2627 0.3089      0.00197        4680736    153
nprobe=4,quantizer_efSearch=8            0.1328 0.3005 0.3526      0.00272        4661143    111
nprobe=8,quantizer_efSearch=4            0.1524 0.3638 0.4445      0.00277        9317464    109
nprobe=8,quantizer_efSearch=8            0.1559 0.3738 0.4578      0.00316        9309683    95
nprobe=16,quantizer_efSearch=4           0.1684 0.4160 0.5315      0.00364       18523435    83
nprobe=16,quantizer_efSearch=8           0.1770 0.4497 0.5743      0.00444       18493490    68
nprobe=16,quantizer_efSearch=16          0.1806 0.4624 0.5912      0.00536       18446027    57
nprobe=32,quantizer_efSearch=8           0.1837 0.4897 0.6503      0.00591       36718201    51
nprobe=32,quantizer_efSearch=16          0.1912 0.5131 0.6831      0.00783       36570204    39
nprobe=64,quantizer_efSearch=16          0.1935 0.5367 0.7502      0.00894       72489895    34
nprobe=32,quantizer_efSearch=32          0.1955 0.5225 0.6971      0.00891       36440841    34
nprobe=64,quantizer_efSearch=32          0.1994 0.5531 0.7753      0.01140       72187725    27
nprobe=128,quantizer_efSearch=64         0.2043 0.5878 0.8436      0.02087      142133472    15
nprobe=256,quantizer_efSearch=64         0.2044 0.5958 0.8736      0.02575      280570557    12
nprobe=128,quantizer_efSearch=128        0.2051 0.5924 0.8507      0.02791      141719767    11
nprobe=256,quantizer_efSearch=128        0.2058 0.6053 0.8880      0.03542      279350448    9
nprobe=128,quantizer_efSearch=256        0.2065 0.5941 0.8529      0.04524      141549474    7
nprobe=256,quantizer_efSearch=256        0.2073 0.6058 0.8903      0.05139      278712273    6
`OPQ32_64,IVF1048576_HNSW32,PQ32x4fsr`
Index size 3231199692code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF1048576_HNSW32_PQ32x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3311 0.5957 0.6165      0.01332       18264578    23
nprobe=1,quantizer_efSearch=4            0.1121 0.1522 0.1528      0.00238        1158557    127
nprobe=1,quantizer_efSearch=16           0.1266 0.1716 0.1722      0.00577        1148848    53
nprobe=2,quantizer_efSearch=16           0.1772 0.2565 0.2592      0.00601        2298792    50
nprobe=4,quantizer_efSearch=16           0.2280 0.3614 0.3669      0.00667        4597569    45
nprobe=8,quantizer_efSearch=16           0.2843 0.4796 0.4910      0.00745        9191336    41
nprobe=16,quantizer_efSearch=16          0.3262 0.5865 0.6073      0.00941       18329987    32
nprobe=16,quantizer_efSearch=32          0.3311 0.5957 0.6165      0.01302       18264578    24
nprobe=32,quantizer_efSearch=16          0.3536 0.6744 0.7078      0.01933       36389803    16
nprobe=32,quantizer_efSearch=32          0.3599 0.6877 0.7214      0.02182       36270558    14
nprobe=32,quantizer_efSearch=64          0.3644 0.6957 0.7299      0.02767       36185384    11
nprobe=64,quantizer_efSearch=16          0.3729 0.7328 0.7805      0.03040       72139698    10
nprobe=64,quantizer_efSearch=128         0.3893 0.7718 0.8237      0.05181       71525458    6
nprobe=128,quantizer_efSearch=128        0.4059 0.8287 0.8982      0.08903      141217222    4
nprobe=128,quantizer_efSearch=256        0.4060 0.8292 0.8998      0.11379      141062555    3
nprobe=256,quantizer_efSearch=128        0.4098 0.8605 0.9417      0.15400      278324331    2
nprobe=256,quantizer_efSearch=256        0.4108 0.8627 0.9456      0.17073      277752330    2
nprobe=256,quantizer_efSearch=512        0.4110 0.8635 0.9465      0.20103      277563108    2
nprobe=512,quantizer_efSearch=128        0.4115 0.8702 0.9636      0.26214      547961359    2
nprobe=512,quantizer_efSearch=256        0.4130 0.8761 0.9702      0.26685      545978833    2
nprobe=1024,quantizer_efSearch=256       0.4149 0.8835 0.9846      0.47892     1072470102    1
`OPQ32_64,IVF1048576(IVF1024,PQ32x4fs,RFlat),PQ32x4fs`
Index size 2971788304code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF1048576_IVF1024_PQ32x4fs_RFlat__PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                        0.1379 0.3095 0.3651      0.00266       10801938    113
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=2     0.0773 0.1440 0.1551      0.00137        1895059    219
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1     0.0793 0.1565 0.1740      0.00144        2704583    209
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=1     0.0821 0.1648 0.1849      0.00148        2698746    204
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=1     0.0836 0.1672 0.1882      0.00154        2696249    196
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.0847 0.1530 0.1646      0.00157        2603679    192
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2     0.0983 0.1975 0.2211      0.00154        3061303    196
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.1118 0.2212 0.2454      0.00186        3760451    162
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2     0.1162 0.2479 0.2865      0.00186        5396634    162
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2     0.1187 0.2569 0.3006      0.00192        5388656    156
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1272 0.2726 0.3136      0.00208        6097067    144
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1318 0.2869 0.3341      0.00213        6088482    141
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.1353 0.2857 0.3294      0.00245        7468453    123
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.1379 0.3095 0.3651      0.00257       10801327    117
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1490 0.3465 0.4177      0.00268       10743643    112
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.1534 0.3605 0.4417      0.00312       10702309    97
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.1606 0.3824 0.4647      0.00325       12069395    93
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4    0.1608 0.4009 0.5100      0.00387       19971906    78
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=4    0.1638 0.4131 0.5279      0.00406       19911541    75
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=8    0.1645 0.3889 0.4749      0.00427       12051548    71
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8    0.1784 0.4528 0.5795      0.00527       21215557    57
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.1836 0.4646 0.5952      0.00530       23916403    57
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16   0.1847 0.4716 0.6025      0.00616       23883265    49
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=16  0.1851 0.4720 0.6036      0.00728       23879865    42
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.1959 0.5237 0.6975      0.00793       41983740    38
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16   0.1968 0.5252 0.7004      0.00887       41943177    34
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.1985 0.5302 0.7065      0.00959       47198494    32
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32   0.1987 0.5309 0.7092      0.01068       47159625    29
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.1996 0.5478 0.7634      0.01011       77910500    30
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.2007 0.5548 0.7751      0.01128       77679120    27
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.2024 0.5558 0.7754      0.01166       82995962    26
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.2037 0.5637 0.7882      0.01307       82759869    23
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.2040 0.5588 0.7787      0.01444       93250563    21
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32  0.2056 0.5910 0.8478      0.02032      152702213    15
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.2069 0.5868 0.8420      0.02347      183510019    13
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.2075 0.5950 0.8543      0.02325      162826195    13
`OPQ32_64,IVF1048576(IVF1024,PQ32x4fs,RFlat),PQ32x4fsr`
Index size 2971642896code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF1048576_IVF1024_PQ32x4fs_RFlat__PQ32x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.2473 0.4075 0.4141      0.00447       12128035    68
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=1      0.0926 0.1212 0.1217      0.00165        1532911    182
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.0990 0.1289 0.1293      0.00174        1899341    173
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.1083 0.1426 0.1431      0.00178        1892901    169
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1137 0.1504 0.1510      0.00184        1888690    164
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1      0.1144 0.1571 0.1581      0.00196        2705484    154
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1      0.1258 0.1754 0.1771      0.00199        2701213    151
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.1357 0.1883 0.1895      0.00206        3069870    146
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=2      0.1575 0.2231 0.2253      0.00236        3052356    128
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.1640 0.2295 0.2319      0.00236        3761183    128
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.1684 0.2383 0.2406      0.00245        3756672    123
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.1725 0.2445 0.2471      0.00263        3755708    115
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.1765 0.2640 0.2672      0.00263        5411981    115
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.1917 0.2912 0.2950      0.00271        5382836    111
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1976 0.3026 0.3064      0.00285        5377328    106
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2088 0.3227 0.3267      0.00295        6081726    102
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.2155 0.3345 0.3389      0.00315        6075762    96
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.2175 0.3396 0.3443      0.00336        6073921    90
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.2299 0.3757 0.3835      0.00385       10033770    78
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2358 0.3842 0.3901      0.00398       10767975    76
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2578 0.4276 0.4356      0.00415       10711694    73
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.2715 0.4547 0.4638      0.00470       12071266    64
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.2774 0.4660 0.4756      0.00570       14750374    53
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.2831 0.4812 0.4917      0.00595       14725667    51
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.2902 0.5201 0.5358      0.00634       19910491    48
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.2942 0.5199 0.5343      0.00664       21370528    46
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.3104 0.5636 0.5823      0.00700       21246634    43
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.3148 0.5725 0.5924      0.00748       21220531    41
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.3216 0.5825 0.6027      0.00789       23900963    39
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.3220 0.5861 0.6069      0.01323       39310736    23
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.3283 0.5974 0.6205      0.01296       29032171    24
nprobe=16,quantizer_k_factor_rf=32,quantizer_nprobe=32   0.3285 0.5976 0.6207      0.01620       29057119    19
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.3384 0.6382 0.6665      0.01809       42239886    17
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.3396 0.6555 0.6876      0.01791       39340295    17
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.3521 0.6805 0.7138      0.01814       41965341    17
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3546 0.6879 0.7230      0.01664       41915789    19
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.3586 0.6951 0.7309      0.02032       46918622    15
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=128   0.3588 0.6968 0.7326      0.02686       77224163    12
nprobe=32,quantizer_k_factor_rf=16,quantizer_nprobe=64   0.3589 0.6972 0.7334      0.02772       56937070    11
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.3750 0.7523 0.8042      0.03101       77693649    10
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3753 0.7559 0.8076      0.03026       77547338    10
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.3808 0.7656 0.8179      0.03725       92750819    9
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.3823 0.7718 0.8245      0.04116       92305861    8
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=128   0.3828 0.7705 0.8235      0.04177      113072606    8
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=256   0.3829 0.7705 0.8234      0.04951      151030543    7
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=256   0.3831 0.7721 0.8250      0.05239      151756645    6
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=32   0.3883 0.7955 0.8569      0.06677      154282083    5
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.3894 0.7989 0.8601      0.06884      164093141    5
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.3997 0.8243 0.8944      0.07094      161809111    5
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.4007 0.8286 0.8995      0.07399      162253757    5
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.4008 0.8288 0.8998      0.07890      181733162    4
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.4058 0.8572 0.9413      0.12446      299741562    3
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=512  0.4060 0.8614 0.9473      0.17310      441541703    2
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.4088 0.8760 0.9720      0.23408      587428287    2
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.4092 0.8752 0.9728      0.24516      587525535    2
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=64   0.4094 0.8749 0.9714      0.25878      567902356    2
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=256  0.4099 0.8755 0.9730      0.24970      627868709    2
nprobe=512,quantizer_k_factor_rf=16,quantizer_nprobe=512 0.4102 0.8760 0.9735      0.34474      709133179    1
`OPQ32_64,IVF1048576(IVF1024,PQ64x4fs,RFlat),PQ32x4fs`
Index size 2988786192code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF1048576_IVF1024_PQ64x4fs_RFlat__PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                        0.1522 0.3557 0.4344      0.00255       10717920    118
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1     0.0818 0.1616 0.1815      0.00137        2699524    219
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1     0.0839 0.1682 0.1896      0.00135        2694756    222
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2     0.0984 0.1955 0.2184      0.00144        3058265    209
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2     0.0997 0.2015 0.2269      0.00152        3051221    197
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.1096 0.2176 0.2416      0.00168        3763037    179
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2     0.1196 0.2596 0.3064      0.00177        5378942    170
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2     0.1201 0.2610 0.3081      0.00188        5375780    160
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.1303 0.2842 0.3313      0.00197        6089070    153
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1325 0.2892 0.3394      0.00203        6076531    148
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1326 0.2906 0.3411      0.00214        6073083    141
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=2     0.1334 0.3148 0.3871      0.00258       10005643    117
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.1383 0.3010 0.3503      0.00252        7461300    119
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.1522 0.3557 0.4344      0.00256       10717346    118
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1532 0.3622 0.4433      0.00277       10693388    109
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.1618 0.3798 0.4630      0.00307       12077590    98
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4    0.1641 0.4135 0.5294      0.00371       19871834    81
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.1642 0.3890 0.4751      0.00334       12040198    90
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8    0.1748 0.4451 0.5696      0.00427       21256986    71
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8    0.1787 0.4534 0.5802      0.00531       21199233    57
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.1855 0.4715 0.6026      0.00536       23864925    56
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.1859 0.5009 0.6667      0.00602       39319962    50
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.1866 0.4753 0.6078      0.00743       29097167    41
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.1963 0.5256 0.7006      0.00793       41899517    38
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.1985 0.5317 0.7099      0.01014       47087659    30
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.1995 0.5516 0.7719      0.00952       77893265    32
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.1998 0.5542 0.7775      0.01000       77539171    30
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.1999 0.5544 0.7778      0.01109       77509556    28
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.2028 0.5643 0.7915      0.01233       82484854    25
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=16  0.2039 0.5760 0.8239      0.01519      148485409    20
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32  0.2055 0.5922 0.8496      0.02122      152227628    15
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.2069 0.5961 0.8562      0.02424      161850836    13
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=128 0.2082 0.5952 0.8526      0.02553      183010605    12
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=256 0.2083 0.6069 0.8897      0.04265      359361251    8
`OPQ32_64,IVF262144_HNSW32,PQ32x4fs`
Index size 2607822028code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF262144_HNSW32_PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1547 0.3712 0.4580      0.00215       17370283    140
nprobe=2,quantizer_efSearch=4            0.1231 0.2643 0.3129      0.00136        8698675    220
nprobe=4,quantizer_efSearch=4            0.1446 0.3349 0.4147      0.00171       17400578    176
nprobe=4,quantizer_efSearch=8            0.1547 0.3712 0.4580      0.00216       17370283    139
nprobe=8,quantizer_efSearch=4            0.1702 0.4328 0.5574      0.00254       34700845    119
nprobe=8,quantizer_efSearch=8            0.1743 0.4449 0.5739      0.00279       34660980    108
nprobe=8,quantizer_efSearch=16           0.1802 0.4634 0.5957      0.00363       34552893    83
nprobe=16,quantizer_efSearch=8           0.1860 0.5042 0.6810      0.00412       69152708    73
nprobe=16,quantizer_efSearch=16          0.1896 0.5175 0.6987      0.00472       69035654    64
nprobe=32,quantizer_efSearch=8           0.1907 0.5375 0.7473      0.00593      137649205    51
nprobe=32,quantizer_efSearch=16          0.1967 0.5638 0.7843      0.00690      137368880    44
nprobe=32,quantizer_efSearch=32          0.1980 0.5690 0.7950      0.00799      137139695    38
nprobe=64,quantizer_efSearch=16          0.2000 0.5811 0.8333      0.00974      272543939    31
nprobe=64,quantizer_efSearch=32          0.2034 0.5912 0.8524      0.01106      271921058    28
nprobe=64,quantizer_efSearch=64          0.2046 0.5957 0.8580      0.01359      271492615    23
nprobe=128,quantizer_efSearch=64         0.2053 0.6077 0.8951      0.01915      536870599    16
nprobe=128,quantizer_efSearch=256        0.2057 0.6099 0.8981      0.03763      536034876    8
nprobe=128,quantizer_efSearch=512        0.2059 0.6100 0.8982      0.06291      536016255    5
nprobe=1024,quantizer_efSearch=256       0.2060 0.6173 0.9293      0.08415     4080412198    4
`OPQ32_64,IVF262144_HNSW32,PQ32x4fsr`
Index size 2607656652code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF262144_HNSW32_PQ32x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3469 0.6899 0.7323      0.01118       68817820    27
nprobe=1,quantizer_efSearch=4            0.1439 0.2142 0.2168      0.00182        4318643    166
nprobe=1,quantizer_efSearch=16           0.1603 0.2354 0.2381      0.00393        4299665    77
nprobe=2,quantizer_efSearch=16           0.2181 0.3458 0.3526      0.00429        8622492    70
nprobe=4,quantizer_efSearch=16           0.2717 0.4680 0.4828      0.00497       17286385    61
nprobe=8,quantizer_efSearch=16           0.3143 0.5850 0.6134      0.00626       34493374    48
nprobe=8,quantizer_efSearch=32           0.3171 0.5901 0.6189      0.00862       34436632    35
nprobe=16,quantizer_efSearch=16          0.3425 0.6828 0.7242      0.00863       68931089    35
nprobe=16,quantizer_efSearch=32          0.3469 0.6899 0.7323      0.01117       68817820    27
nprobe=16,quantizer_efSearch=64          0.3480 0.6924 0.7347      0.01533       68783897    20
nprobe=32,quantizer_efSearch=16          0.3648 0.7601 0.8180      0.01863      137107820    17
nprobe=32,quantizer_efSearch=32          0.3692 0.7694 0.8291      0.02064      136895232    15
nprobe=32,quantizer_efSearch=64          0.3711 0.7735 0.8338      0.02475      136779281    13
nprobe=64,quantizer_efSearch=16          0.3729 0.7996 0.8739      0.03026      272022399    10
nprobe=64,quantizer_efSearch=64          0.3836 0.8226 0.9025      0.03835      271094717    8
nprobe=64,quantizer_efSearch=128         0.3842 0.8236 0.9040      0.04628      270941246    7
nprobe=64,quantizer_efSearch=256         0.3850 0.8242 0.9044      0.06125      270902278    5
nprobe=128,quantizer_efSearch=64         0.3891 0.8514 0.9457      0.07044      536028507    5
nprobe=128,quantizer_efSearch=128        0.3914 0.8545 0.9496      0.07669      535450659    4
nprobe=128,quantizer_efSearch=256        0.3917 0.8547 0.9499      0.09442      535283897    4
nprobe=256,quantizer_efSearch=64         0.3932 0.8633 0.9685      0.12573     1058198192    3
nprobe=256,quantizer_efSearch=128        0.3961 0.8681 0.9756      0.13439     1056068047    3
nprobe=512,quantizer_efSearch=128        0.3965 0.8745 0.9867      0.23779     2079150882    2
`OPQ32_64,IVF262144(IVF512,PQ32x4fs,RFlat),PQ32x4fs`
Index size 2542921232code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF262144_IVF512_PQ32x4fs_RFlat__PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                        0.2011 0.5757 0.8188      0.01202      282240391    25
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1     0.0772 0.1520 0.1742      0.00135        4524946    223
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=4    0.0995 0.2005 0.2276      0.00140        5025278    215
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=8    0.1036 0.2070 0.2345      0.00156        5702162    193
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1202 0.2589 0.3030      0.00161        9409287    187
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.1251 0.2693 0.3139      0.00162       10061043    186
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.1299 0.2807 0.3317      0.00160        9381105    189
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.1306 0.2862 0.3359      0.00177       10055613    170
nprobe=2,quantizer_k_factor_rf=16,quantizer_nprobe=8    0.1344 0.2913 0.3425      0.00196       10036174    153
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.1347 0.3080 0.3674      0.00200       18297308    150
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1529 0.3603 0.4423      0.00221       18135776    136
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.1547 0.3637 0.4470      0.00262       20088605    115
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.1604 0.3826 0.4700      0.00266       20044665    113
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1686 0.4261 0.5459      0.00284       35549313    106
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.1757 0.4434 0.5664      0.00292       36187137    103
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.1812 0.4634 0.5969      0.00352       37306527    86
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.1871 0.4991 0.6706      0.00430       70948170    70
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.1899 0.5138 0.6916      0.00480       72068203    63
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.1906 0.5215 0.7044      0.00500       71860879    60
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16   0.1912 0.5236 0.7068      0.00548       71778914    55
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.1923 0.5410 0.7492      0.00655      139751403    46
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8    0.1925 0.5445 0.7549      0.00706      139340279    43
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.1993 0.5681 0.7917      0.00785      142953496    39
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.2006 0.5695 0.7934      0.00918      147997019    33
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=32   0.2011 0.5757 0.8188      0.01104      282240391    28
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.2019 0.5901 0.8463      0.01136      275323044    27
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.2053 0.5974 0.8604      0.01215      277196487    25
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.2063 0.6001 0.8634      0.01378      282004788    22
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.2066 0.6096 0.8954      0.02132      558604513    15
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=256 0.2069 0.6103 0.9032      0.03002     1122236638    10
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=256 0.2072 0.6191 0.9292      0.10095     2117460369    3
`OPQ32_64,IVF262144(IVF512,PQ32x4fs,RFlat),PQ32x4fsr`
Index size 2542906896code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF262144_IVF512_PQ32x4fs_RFlat__PQ32x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.3894 0.8272 0.9054      0.03177      281813332    10
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.1857 0.2830 0.2884      0.00153        9450427    197
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=2      0.1884 0.2950 0.3034      0.00151        9072893    199
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.2100 0.3285 0.3367      0.00153        9380618    197
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.2105 0.3257 0.3330      0.00163       10048922    184
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=8      0.2175 0.3390 0.3474      0.00179       10036950    168
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.2584 0.4345 0.4492      0.00200       18119084    151
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.2593 0.4370 0.4518      0.00210       18113185    143
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.2674 0.4550 0.4704      0.00223       18739145    135
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=8     0.2688 0.4577 0.4733      0.00262       18727192    115
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.2734 0.4644 0.4795      0.00292       20033413    103
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8      0.2914 0.5239 0.5458      0.00297       36373094    101
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.3076 0.5639 0.5895      0.00308       36098891    98
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=8      0.3117 0.5763 0.6027      0.00338       36016164    89
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.3142 0.5776 0.6039      0.00353       37331494    85
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.3169 0.5877 0.6152      0.00369       37267461    82
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=16     0.3179 0.5892 0.6167      0.00402       37254780    75
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.3200 0.6112 0.6462      0.00475       70258033    64
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.3394 0.6648 0.7044      0.00514       70651546    59
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3471 0.6869 0.7282      0.00563       71764828    54
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.3480 0.6873 0.7288      0.00590       71750709    51
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.3500 0.6931 0.7348      0.00640       74259495    47
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.3503 0.6939 0.7357      0.00801       79340580    38
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.3509 0.6936 0.7355      0.00804       74204349    38
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.3596 0.7325 0.7842      0.01513      139432849    20
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.3615 0.7393 0.7900      0.01515      141804819    20
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.3708 0.7640 0.8203      0.01591      140263271    19
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.3723 0.7704 0.8288      0.01585      142597185    19
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.3738 0.7744 0.8337      0.01637      142386708    19
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=128   0.3740 0.7756 0.8353      0.01890      157687159    16
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=128   0.3802 0.8066 0.8785      0.03457      295470085    9
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.3885 0.8234 0.9012      0.03049      282074443    10
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.3894 0.8272 0.9054      0.03624      281738708    9
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=128   0.3896 0.8269 0.9053      0.03815      291979333    8
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.3926 0.8514 0.9419      0.06557      542879636    5
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.3941 0.8448 0.9314      0.06242      554925093    5
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.3951 0.8684 0.9705      0.11969     1064705243    3
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.3960 0.8742 0.9778      0.12358     1077766232    3
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.3961 0.8653 0.9653      0.12150     1084209943    3
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=128  0.3965 0.8742 0.9783      0.13556     1076810726    3
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=256  0.3966 0.8743 0.9783      0.12126     1097390843    3
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.3983 0.8776 0.9858      0.19512     2122937599    2
nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=128 0.3989 0.8810 0.9935      0.39006     4158582373    1
`OPQ32_64,IVF262144(IVF512,PQ64x4fs,RFlat),PQ32x4fs`
Index size 2547197456code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF262144_IVF512_PQ64x4fs_RFlat__PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                       0.2052 0.5969 0.8580      0.01072      278406518    28
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=1    0.0782 0.1557 0.1785      0.00139        4520338    216
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=2   0.0903 0.1834 0.2091      0.00138        4691549    219
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1    0.0967 0.2038 0.2398      0.00161        8925700    186
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2    0.1119 0.2460 0.2887      0.00163        9082378    184
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4    0.1300 0.2810 0.3305      0.00164        9383060    184
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4    0.1307 0.2820 0.3321      0.00184        9376563    164
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8    0.1348 0.2919 0.3427      0.00193       10031104    156
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4    0.1524 0.3619 0.4451      0.00215       18109986    140
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=8    0.1580 0.3723 0.4569      0.00234       18778056    129
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.1604 0.3801 0.4663      0.00301       20070469    100
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4    0.1661 0.4249 0.5420      0.00308       35631713    98
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8    0.1740 0.4500 0.5756      0.00323       36172998    93
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.1788 0.4557 0.5862      0.00330       36007806    91
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.1801 0.4676 0.6003      0.00393       37235035    77
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8   0.1878 0.5053 0.6814      0.00468       70619443    65
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=16  0.1901 0.5188 0.6974      0.00504       71987284    60
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16  0.1903 0.5235 0.7064      0.00521       71730245    58
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16  0.1907 0.5240 0.7066      0.00625       71730422    48
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=32  0.1912 0.5283 0.7124      0.00610       74213745    50
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=32  0.1917 0.5286 0.7128      0.00733       74214354    41
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=16  0.1980 0.5650 0.7873      0.00791      140645761    38
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32  0.1995 0.5749 0.8024      0.00860      142352028    35
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=32  0.2052 0.5969 0.8580      0.01292      278393280    24
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.2057 0.6017 0.8637      0.01617      281770211    19
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=64 0.2072 0.6115 0.8991      0.01972      549750888    16
`OPQ32_64,IVF65536_HNSW32,PQ32x4fs`
Index size 2451976396code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF65536_HNSW32_PQ32x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1684 0.4205 0.5488      0.00289       68747852    104
nprobe=2,quantizer_efSearch=4            0.1346 0.3149 0.3923      0.00179       34456398    168
nprobe=2,quantizer_efSearch=8            0.1451 0.3414 0.4241      0.00196       34341864    154
nprobe=2,quantizer_efSearch=16           0.1457 0.3436 0.4270      0.00238       34271282    127
nprobe=4,quantizer_efSearch=4            0.1562 0.3877 0.5032      0.00262       68916122    115
nprobe=4,quantizer_efSearch=8            0.1684 0.4205 0.5488      0.00291       68747852    104
nprobe=4,quantizer_efSearch=16           0.1694 0.4269 0.5579      0.00334       68605165    90
nprobe=8,quantizer_efSearch=4            0.1829 0.4797 0.6503      0.00413      137363597    73
nprobe=8,quantizer_efSearch=8            0.1862 0.4900 0.6667      0.00401      137284738    75
nprobe=8,quantizer_efSearch=16           0.1905 0.5037 0.6857      0.00447      137009596    68
nprobe=8,quantizer_efSearch=32           0.1912 0.5071 0.6895      0.00547      136870517    55
nprobe=16,quantizer_efSearch=4           0.1922 0.5194 0.7264      0.00556      272972884    54
nprobe=16,quantizer_efSearch=16          0.2021 0.5491 0.7768      0.00641      272331514    47
nprobe=16,quantizer_efSearch=32          0.2039 0.5558 0.7850      0.00670      272004544    45
nprobe=16,quantizer_efSearch=64          0.2046 0.5561 0.7863      0.00877      271887772    35
nprobe=32,quantizer_efSearch=16          0.2090 0.5782 0.8410      0.00782      539791163    39
nprobe=32,quantizer_efSearch=32          0.2106 0.5842 0.8508      0.00927      539040978    33
nprobe=32,quantizer_efSearch=64          0.2115 0.5861 0.8537      0.01138      538733234    27
nprobe=32,quantizer_efSearch=128         0.2119 0.5869 0.8541      0.01590      538642378    19
nprobe=256,quantizer_efSearch=64         0.2123 0.6075 0.9215      0.03125     4116512709    10
nprobe=256,quantizer_efSearch=128        0.2130 0.6085 0.9240      0.03411     4110105122    9
nprobe=256,quantizer_efSearch=256        0.2132 0.6091 0.9250      0.04094     4108066156    8
`OPQ32_64,IVF65536_HNSW32,PQ32x4fsr`
Index size 2451996876code_size 16
log filename: autotune.dbbigann100M.OPQ32_64_IVF65536_HNSW32_PQ32x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3310 0.6692 0.7186      0.01517      136715723    20
nprobe=1,quantizer_efSearch=4            0.1746 0.2768 0.2838      0.00181       17176269    167
nprobe=1,quantizer_efSearch=16           0.1860 0.2956 0.3032      0.00292       17107636    103
nprobe=2,quantizer_efSearch=16           0.2397 0.4208 0.4380      0.00371       34251218    81
nprobe=4,quantizer_efSearch=16           0.2922 0.5429 0.5744      0.00482       68550122    63
nprobe=8,quantizer_efSearch=16           0.3294 0.6644 0.7132      0.00667      136889408    45
nprobe=8,quantizer_efSearch=32           0.3306 0.6688 0.7182      0.00814      136760323    37
nprobe=8,quantizer_efSearch=64           0.3309 0.6692 0.7186      0.01070      136725793    29
nprobe=8,quantizer_efSearch=128          0.3310 0.6692 0.7186      0.01499      136715723    21
nprobe=16,quantizer_efSearch=128         0.3577 0.7553 0.8242      0.01942      271590010    16
nprobe=32,quantizer_efSearch=128         0.3743 0.8140 0.9013      0.02900      538058698    11
nprobe=32,quantizer_efSearch=256         0.3744 0.8141 0.9014      0.03894      538045878    8
nprobe=64,quantizer_efSearch=16          0.3760 0.8271 0.9292      0.03976     1065805660    8
nprobe=64,quantizer_efSearch=256         0.3808 0.8453 0.9507      0.05563     1062607520    6
nprobe=64,quantizer_efSearch=512         0.3809 0.8454 0.9508      0.08629     1062573181    4
nprobe=128,quantizer_efSearch=256        0.3854 0.8603 0.9788      0.09323     2090706281    4
nprobe=128,quantizer_efSearch=512        0.3856 0.8605 0.9790      0.11970     2090621421    3
nprobe=1024,quantizer_efSearch=256       0.3874 0.8695 0.9956      0.49912    15763742094    1
nprobe=1024,quantizer_efSearch=512       0.3876 0.8687 0.9958      0.53216    15752402452    1
`PCAR32,IVF1048576_HNSW32,SQ4`
Index size 2828051797code_size 16
log filename: autotune.dbbigann100M.PCAR32_IVF1048576_HNSW32_SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2329 0.6591 0.9110      0.09662      272917319    4
nprobe=1,quantizer_efSearch=4            0.0846 0.1388 0.1423      0.00243        1143899    124
nprobe=2,quantizer_efSearch=4            0.1138 0.2084 0.2184      0.00249        2286961    121
nprobe=4,quantizer_efSearch=4            0.1345 0.2764 0.2984      0.00264        4564749    114
nprobe=8,quantizer_efSearch=4            0.1646 0.3817 0.4286      0.00326        9101265    92
nprobe=8,quantizer_efSearch=8            0.1675 0.3915 0.4409      0.00363        9097357    83
nprobe=16,quantizer_efSearch=4           0.1811 0.4451 0.5218      0.00497       18115515    61
nprobe=16,quantizer_efSearch=8           0.1915 0.4748 0.5622      0.00520       18107157    58
nprobe=16,quantizer_efSearch=16          0.1955 0.4841 0.5742      0.00598       18067325    51
nprobe=32,quantizer_efSearch=8           0.2013 0.5217 0.6452      0.00801       35892690    38
nprobe=32,quantizer_efSearch=16          0.2083 0.5470 0.6811      0.00945       35820358    32
nprobe=32,quantizer_efSearch=32          0.2116 0.5535 0.6936      0.01079       35739006    28
nprobe=64,quantizer_efSearch=16          0.2163 0.5881 0.7575      0.01356       70940891    23
nprobe=64,quantizer_efSearch=32          0.2215 0.6029 0.7819      0.01568       70727239    20
nprobe=128,quantizer_efSearch=32         0.2264 0.6302 0.8436      0.02370      139703029    13
nprobe=128,quantizer_efSearch=64         0.2293 0.6387 0.8608      0.02781      139229335    11
nprobe=128,quantizer_efSearch=128        0.2299 0.6424 0.8655      0.03267      138954725    10
nprobe=256,quantizer_efSearch=64         0.2311 0.6516 0.8977      0.04616      274398764    7
nprobe=256,quantizer_efSearch=128        0.2326 0.6573 0.9078      0.05415      273497415    6
nprobe=256,quantizer_efSearch=256        0.2331 0.6593 0.9109      0.06509      273060621    5
nprobe=512,quantizer_efSearch=128        0.2336 0.6651 0.9335      0.09416      537822318    4
nprobe=512,quantizer_efSearch=256        0.2343 0.6670 0.9392      0.10328      536128477    3
nprobe=1024,quantizer_efSearch=256       0.2345 0.6694 0.9504      0.17591     1052244076    2
`PCAR32,IVF1048576(IVF1024,PQ16x4fs,RFlat),SQ4`
Index size 2559747225code_size 16
log filename: autotune.dbbigann100M.PCAR32_IVF1048576_IVF1024_PQ16x4fs_RFlat__SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.2300 0.6512 0.9045      0.06292      285138683    5
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1      0.0645 0.1074 0.1103      0.00230        2675280    131
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.1035 0.1869 0.1966      0.00237        6038188    127
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.1256 0.2391 0.2546      0.00236        6050570    127
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.1357 0.2724 0.2933      0.00248        6040980    121
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4     0.1469 0.2998 0.3231      0.00282        6020492    107
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.1527 0.3228 0.3560      0.00290       10641507    104
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.1678 0.3744 0.4194      0.00318       11981593    95
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.1685 0.3724 0.4175      0.00319       10605205    95
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=8     0.1736 0.3986 0.4498      0.00398       11941843    76
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1809 0.4290 0.5026      0.00445       19721341    68
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.1832 0.4383 0.5173      0.00504       19672663    60
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.1926 0.4728 0.5596      0.00517       21007234    59
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.1934 0.4706 0.5551      0.00520       23720374    58
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.1969 0.4838 0.5757      0.00569       23681289    53
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=16   0.1980 0.4895 0.5818      0.00679       23644108    45
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.1984 0.4931 0.5861      0.00748       28884139    41
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.2045 0.5312 0.6600      0.00836       38839682    36
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.2068 0.5394 0.6698      0.00807       41577766    38
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.2081 0.5420 0.6740      0.00908       46786975    34
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.2118 0.5510 0.6865      0.00917       41476837    33
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.2127 0.5542 0.6920      0.01006       46685522    30
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.2133 0.5682 0.7276      0.01267       77125636    24
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.2144 0.5723 0.7348      0.01354       82219820    23
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.2188 0.5917 0.7683      0.01545       76752605    20
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.2195 0.5985 0.7776      0.01448       81875369    21
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.2210 0.6073 0.7911      0.01840       91957657    17
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.2265 0.6336 0.8548      0.02585      150838985    12
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.2269 0.6352 0.8572      0.02701      161022854    12
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=128  0.2274 0.6386 0.8635      0.03352      181012220    9
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=32  0.2275 0.6367 0.8613      0.03459      150262027    9
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=64  0.2277 0.6393 0.8654      0.03715      160432940    9
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.2285 0.6445 0.8894      0.04515      297595944    7
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.2288 0.6494 0.9006      0.05049      285988369    6
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.2294 0.6522 0.9052      0.05059      315931276    6
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=32   0.2297 0.6509 0.9041      0.05445      285296299    6
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=256  0.2307 0.6534 0.9098      0.06195      355920858    5
nprobe=256,quantizer_k_factor_rf=16,quantizer_nprobe=128 0.2312 0.6542 0.9117      0.07244      315212079    5
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.2316 0.6613 0.9378      0.09177      579476566    4
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=512  0.2320 0.6618 0.9403      0.11966      700021533    3
nprobe=512,quantizer_k_factor_rf=16,quantizer_nprobe=128 0.2321 0.6623 0.9402      0.13085      578102160    3
nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=128 0.2324 0.6644 0.9532      0.18031     1093640155    2
`PCAR32,IVF262144_HNSW32,SQ4`
Index size 2507078229code_size 16
log filename: autotune.dbbigann100M.PCAR32_IVF262144_HNSW32_SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2253 0.6575 0.9381      0.13185     1048166447    3
nprobe=1,quantizer_efSearch=4            0.1019 0.1883 0.2005      0.00221        4334802    136
nprobe=2,quantizer_efSearch=4            0.1302 0.2639 0.2909      0.00238        8672737    127
nprobe=2,quantizer_efSearch=8            0.1415 0.2881 0.3185      0.00263        8653819    115
nprobe=2,quantizer_efSearch=16           0.1439 0.2938 0.3239      0.00315        8638013    96
nprobe=4,quantizer_efSearch=4            0.1538 0.3390 0.3919      0.00330       17340470    91
nprobe=4,quantizer_efSearch=8            0.1681 0.3780 0.4380      0.00347       17323600    87
nprobe=4,quantizer_efSearch=16           0.1717 0.3851 0.4459      0.00387       17294479    78
nprobe=8,quantizer_efSearch=4            0.1854 0.4496 0.5438      0.00450       34611657    67
nprobe=8,quantizer_efSearch=8            0.1882 0.4624 0.5594      0.00467       34572311    65
nprobe=8,quantizer_efSearch=16           0.1923 0.4744 0.5747      0.00522       34525754    58
nprobe=8,quantizer_efSearch=32           0.1938 0.4788 0.5796      0.00611       34495026    50
nprobe=16,quantizer_efSearch=4           0.1947 0.5016 0.6359      0.00718       68979606    42
nprobe=16,quantizer_efSearch=8           0.2015 0.5295 0.6741      0.00774       68937068    39
nprobe=16,quantizer_efSearch=16          0.2039 0.5397 0.6887      0.00787       68852205    39
nprobe=16,quantizer_efSearch=32          0.2054 0.5463 0.6969      0.00868       68768890    35
nprobe=16,quantizer_efSearch=64          0.2063 0.5478 0.6982      0.01121       68739826    27
nprobe=32,quantizer_efSearch=8           0.2074 0.5715 0.7519      0.01466      136939278    21
nprobe=32,quantizer_efSearch=32          0.2159 0.6016 0.7936      0.01431      136529370    21
nprobe=32,quantizer_efSearch=64          0.2164 0.6044 0.7982      0.01635      136426887    19
nprobe=32,quantizer_efSearch=128         0.2170 0.6049 0.7995      0.02171      136392800    14
nprobe=64,quantizer_efSearch=32          0.2200 0.6292 0.8595      0.02822      270345611    11
nprobe=64,quantizer_efSearch=128         0.2217 0.6329 0.8668      0.03008      269928558    10
nprobe=128,quantizer_efSearch=128        0.2241 0.6492 0.9127      0.05080      532654005    6
nprobe=128,quantizer_efSearch=256        0.2243 0.6491 0.9135      0.06311      532516207    5
nprobe=256,quantizer_efSearch=128        0.2250 0.6571 0.9367      0.09265     1048991891    4
nprobe=256,quantizer_efSearch=256        0.2253 0.6575 0.9381      0.09809     1048302968    4
nprobe=512,quantizer_efSearch=256        0.2256 0.6605 0.9485      0.18917     2059862578    2
nprobe=2048,quantizer_efSearch=256       0.2257 0.6610 0.9529      0.69495     7799215838    1
`PCAR32,IVF262144(IVF512,PQ16x4fs,RFlat),SQ4`
Index size 2440067993code_size 16
log filename: autotune.dbbigann100M.PCAR32_IVF262144_IVF512_PQ16x4fs_RFlat__SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                        0.1391 0.2849 0.3112      0.00283        9403515    106
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=8    0.1105 0.2016 0.2140      0.00258        5732715    117
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.1345 0.2741 0.2973      0.00270       10115366    112
nprobe=2,quantizer_k_factor_rf=32,quantizer_nprobe=4    0.1390 0.2849 0.3112      0.00275        9407346    109
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.1418 0.2912 0.3180      0.00297       11411443    102
nprobe=2,quantizer_k_factor_rf=32,quantizer_nprobe=8    0.1447 0.2960 0.3229      0.00290       10068928    104
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1485 0.3236 0.3643      0.00353       18299781    86
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.1587 0.3522 0.4022      0.00354       18241341    85
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4    0.1639 0.3666 0.4209      0.00365       18140183    83
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.1655 0.3718 0.4240      0.00373       20171468    81
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.1717 0.3873 0.4436      0.00388       20118852    78
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=32   0.1718 0.3901 0.4487      0.00510       22663931    59
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.1798 0.4276 0.5081      0.00518       36419904    58
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.1913 0.4684 0.5611      0.00561       37538582    54
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.1925 0.4691 0.5620      0.00604       40120122    50
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=16   0.1947 0.4784 0.5767      0.00613       37356634    49
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.1964 0.4802 0.5787      0.00664       39941727    46
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8    0.2031 0.5310 0.6692      0.00911       70687241    33
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.2044 0.5348 0.6766      0.00900       72046290    34
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16   0.2060 0.5442 0.6897      0.00968       71849393    31
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=64  0.2084 0.5498 0.6969      0.01247       79443430    25
nprobe=16,quantizer_k_factor_rf=32,quantizer_nprobe=64  0.2086 0.5491 0.6955      0.01295       79399814    24
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.2088 0.5561 0.7248      0.01495      139970933    21
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8    0.2120 0.5724 0.7514      0.01514      139291929    20
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.2139 0.5740 0.7518      0.01562      143342515    20
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.2179 0.5968 0.7879      0.01756      147741611    18
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32   0.2190 0.6007 0.7970      0.01715      142264814    18
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64   0.2196 0.6020 0.7976      0.01847      147353952    17
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.2218 0.6192 0.8385      0.02813      278366660    11
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.2237 0.6284 0.8610      0.02853      276843281    11
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.2239 0.6302 0.8632      0.02872      281790539    11
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=16  0.2243 0.6345 0.8849      0.05160      542506399    6
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64  0.2253 0.6444 0.9007      0.04902      548323579    7
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.2255 0.6438 0.8999      0.05429      558355065    6
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32  0.2265 0.6524 0.9318      0.09777     1058980250    4
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=32  0.2267 0.6524 0.9318      0.10134     1057706728    3
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.2269 0.6558 0.9377      0.09165     1062451239    4
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=64  0.2271 0.6563 0.9382      0.09888     1061067488    4
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.2276 0.6571 0.9459      0.18441     2094433790    2
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.2282 0.6581 0.9482      0.18686     2075383306    2
`PCAR32,IVF65536_HNSW32,SQ4`
Index size 2426834005code_size 16
log filename: autotune.dbbigann100M.PCAR32_IVF65536_HNSW32_SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1227 0.2551 0.2855      0.00535       17189121    57
nprobe=1,quantizer_efSearch=4            0.1171 0.2411 0.2704      0.00346       17267406    87
nprobe=1,quantizer_efSearch=8            0.1217 0.2531 0.2832      0.00358       17203478    84
nprobe=1,quantizer_efSearch=32           0.1226 0.2548 0.2852      0.00443       17190018    68
nprobe=1,quantizer_efSearch=64           0.1227 0.2551 0.2855      0.00559       17189121    54
nprobe=2,quantizer_efSearch=8            0.1523 0.3497 0.4109      0.00584       34447642    52
nprobe=2,quantizer_efSearch=16           0.1525 0.3524 0.4141      0.00609       34406113    50
nprobe=2,quantizer_efSearch=32           0.1532 0.3531 0.4149      0.00660       34384929    46
nprobe=2,quantizer_efSearch=128          0.1535 0.3538 0.4155      0.00981       34378870    31
nprobe=4,quantizer_efSearch=4            0.1673 0.4162 0.5061      0.01007       69045119    30
nprobe=4,quantizer_efSearch=8            0.1776 0.4435 0.5428      0.01037       68969014    29
nprobe=4,quantizer_efSearch=32           0.1790 0.4508 0.5519      0.01096       68813100    28
nprobe=4,quantizer_efSearch=64           0.1791 0.4511 0.5524      0.01212       68800664    25
nprobe=4,quantizer_efSearch=128          0.1792 0.4513 0.5526      0.01420       68794480    22
nprobe=8,quantizer_efSearch=8            0.1959 0.5239 0.6684      0.01869      137221097    17
nprobe=8,quantizer_efSearch=16           0.1985 0.5339 0.6808      0.01888      137049169    16
nprobe=8,quantizer_efSearch=32           0.1994 0.5367 0.6842      0.01939      136938125    16
nprobe=8,quantizer_efSearch=128          0.1995 0.5376 0.6852      0.02268      136899294    14
nprobe=16,quantizer_efSearch=32          0.2122 0.5955 0.7917      0.03605      271589957    9
nprobe=16,quantizer_efSearch=64          0.2125 0.5956 0.7918      0.03702      271524341    9
nprobe=16,quantizer_efSearch=128         0.2126 0.5963 0.7925      0.03916      271504659    8
nprobe=32,quantizer_efSearch=32          0.2158 0.6236 0.8632      0.06747      537097874    5
nprobe=32,quantizer_efSearch=64          0.2163 0.6249 0.8652      0.06874      536855237    5
nprobe=32,quantizer_efSearch=256         0.2164 0.6254 0.8658      0.08100      536758239    4
nprobe=64,quantizer_efSearch=16          0.2168 0.6304 0.8932      0.12592     1061474513    3
nprobe=64,quantizer_efSearch=32          0.2180 0.6368 0.9066      0.13765     1059881178    3
nprobe=64,quantizer_efSearch=256         0.2188 0.6398 0.9124      0.13826     1058650728    3
nprobe=128,quantizer_efSearch=128        0.2201 0.6475 0.9374      0.24655     2081957004    2
nprobe=128,quantizer_efSearch=256        0.2202 0.6477 0.9376      0.26249     2081659630    2
nprobe=256,quantizer_efSearch=256        0.2207 0.6516 0.9506      0.50895     4080893137    1
`IVF1048576_HNSW32,PQ64x4fs`
Index size 5359972229code_size 32
log filename: autotune.dbbigann100M.IVF1048576_HNSW32_PQ64x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3866 0.8255 0.9410      0.12177      278476819    3
nprobe=2,quantizer_efSearch=4            0.1462 0.2211 0.2281      0.00262        2321705    115
nprobe=4,quantizer_efSearch=4            0.1833 0.2997 0.3123      0.00287        4637381    105
nprobe=8,quantizer_efSearch=4            0.2412 0.4299 0.4559      0.00418        9271752    72
nprobe=8,quantizer_efSearch=8            0.2481 0.4421 0.4687      0.00478        9262425    63
nprobe=16,quantizer_efSearch=4           0.2705 0.5029 0.5429      0.00541       18449678    56
nprobe=16,quantizer_efSearch=8           0.2920 0.5456 0.5885      0.00652       18421923    46
nprobe=32,quantizer_efSearch=8           0.3137 0.6114 0.6683      0.00834       36648720    36
nprobe=64,quantizer_efSearch=8           0.3241 0.6455 0.7142      0.01082       72524143    28
nprobe=32,quantizer_efSearch=16          0.3267 0.6467 0.7089      0.01036       36518528    29
nprobe=64,quantizer_efSearch=16          0.3432 0.6993 0.7758      0.01291       72400355    24
nprobe=64,quantizer_efSearch=32          0.3538 0.7272 0.8081      0.01749       72098543    18
nprobe=128,quantizer_efSearch=32         0.3682 0.7672 0.8641      0.02212      142679300    14
nprobe=128,quantizer_efSearch=64         0.3765 0.7867 0.8877      0.03012      142090926    10
nprobe=256,quantizer_efSearch=64         0.3806 0.8098 0.9231      0.03899      280547190    8
nprobe=256,quantizer_efSearch=128        0.3862 0.8225 0.9379      0.05146      279331322    6
nprobe=256,quantizer_efSearch=256        0.3868 0.8256 0.9409      0.07591      278689002    4
nprobe=512,quantizer_efSearch=256        0.3878 0.8397 0.9664      0.09326      548071995    4
nprobe=1024,quantizer_efSearch=256       0.3882 0.8466 0.9797      0.13081     1077211040    3
nprobe=1024,quantizer_efSearch=512       0.3889 0.8486 0.9819      0.19258     1073480588    2
`IVF1048576(IVF1024,PQ64x4fs,RFlat),PQ64x4fs`
Index size 5118197193code_size 32
log filename: autotune.dbbigann100M.IVF1048576_IVF1024_PQ64x4fs_RFlat__PQ64x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.3813 0.8139 0.9267      0.03836      327717778    8
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1      0.1167 0.1779 0.1836      0.00197        2705293    153
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.1395 0.2101 0.2152      0.00230        3784448    131
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=1      0.1469 0.2368 0.2471      0.00231        5050009    130
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.1637 0.2614 0.2710      0.00242        5432989    124
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.1779 0.2920 0.3037      0.00251        5411265    120
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1816 0.2969 0.3091      0.00260        5395442    116
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.1989 0.3305 0.3441      0.00290        6107068    104
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.1996 0.3390 0.3564      0.00303       10132155    99
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.2064 0.3438 0.3563      0.00326        7500026    93
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2236 0.3834 0.4035      0.00333       10824344    91
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2404 0.4183 0.4430      0.00345       10783189    88
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.2537 0.4557 0.4831      0.00429       12105523    70
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.2784 0.5079 0.5446      0.00492       21534136    61
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.2844 0.5383 0.5857      0.00637       38845249    48
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.2981 0.5638 0.6077      0.00635       24023645    48
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3018 0.5707 0.6150      0.00691       23925557    44
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.3177 0.6234 0.6813      0.00743       39632645    41
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=32    0.3230 0.6300 0.6853      0.00972       47790420    31
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3345 0.6609 0.7242      0.00946       42047394    32
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.3451 0.6969 0.7715      0.01136       79265725    27
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.3533 0.7220 0.8037      0.01337       78079619    23
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3547 0.7240 0.8061      0.01420       77826548    22
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.3594 0.7378 0.8208      0.01442       83068008    21
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.3604 0.7411 0.8250      0.01648       82625855    19
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.3617 0.7489 0.8430      0.01694      151671630    18
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.3759 0.7898 0.8920      0.02498      152811598    13
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.3786 0.7963 0.8992      0.02875      162229341    11
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.3810 0.8151 0.9305      0.03347      291636657    9
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.3813 0.8139 0.9267      0.03906      326911511    8
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.3843 0.8240 0.9403      0.03738      300944405    9
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.3851 0.8248 0.9415      0.04294      320509555    7
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.3861 0.8278 0.9434      0.05083      319326210    6
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.3863 0.8342 0.9600      0.05713      604632473    6
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=256  0.3872 0.8429 0.9695      0.07548      630281351    5
nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=128 0.3883 0.8481 0.9795      0.08445     1148905714    4
nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.3891 0.8483 0.9805      0.12727     1097574453    3
nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=128 0.3892 0.8507 0.9838      0.13750     1115168212    3
`IVF262144_HNSW32,PQ64x4fs`
Index size 4339532933code_size 32
log filename: autotune.dbbigann100M.IVF262144_HNSW32_PQ64x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2520 0.4409 0.4700      0.00380       17267392    79
nprobe=2,quantizer_efSearch=4            0.1843 0.2989 0.3137      0.00236        8650686    128
nprobe=4,quantizer_efSearch=4            0.2244 0.3926 0.4197      0.00284       17322871    106
nprobe=4,quantizer_efSearch=8            0.2520 0.4409 0.4700      0.00400       17267392    75
nprobe=8,quantizer_efSearch=4            0.2823 0.5248 0.5678      0.00431       34546653    70
nprobe=8,quantizer_efSearch=8            0.2903 0.5401 0.5842      0.00483       34515309    63
nprobe=8,quantizer_efSearch=16           0.3026 0.5653 0.6107      0.00647       34441357    47
nprobe=16,quantizer_efSearch=4           0.3066 0.5953 0.6557      0.00628       68973858    48
nprobe=16,quantizer_efSearch=8           0.3260 0.6381 0.7021      0.00718       68859083    42
nprobe=16,quantizer_efSearch=16          0.3333 0.6551 0.7207      0.00817       68764563    37
nprobe=32,quantizer_efSearch=8           0.3468 0.6981 0.7781      0.01041      137051319    29
nprobe=32,quantizer_efSearch=32          0.3629 0.7429 0.8302      0.01403      136567569    22
nprobe=64,quantizer_efSearch=16          0.3674 0.7719 0.8718      0.01661      271531416    19
nprobe=64,quantizer_efSearch=32          0.3759 0.7901 0.8944      0.01920      270925567    16
nprobe=64,quantizer_efSearch=64          0.3787 0.7967 0.9018      0.02389      270554935    13
nprobe=128,quantizer_efSearch=32         0.3799 0.8135 0.9305      0.02743      536403186    11
nprobe=128,quantizer_efSearch=64         0.3855 0.8243 0.9433      0.03248      535199772    10
nprobe=128,quantizer_efSearch=128        0.3871 0.8275 0.9476      0.04209      534634189    8
nprobe=256,quantizer_efSearch=64         0.3881 0.8392 0.9657      0.04299     1057331870    7
nprobe=256,quantizer_efSearch=128        0.3898 0.8456 0.9737      0.05481     1055205849    6
nprobe=512,quantizer_efSearch=128        0.3903 0.8514 0.9833      0.07420     2078620356    5
nprobe=512,quantizer_efSearch=256        0.3910 0.8534 0.9859      0.09502     2075118713    4
nprobe=1024,quantizer_efSearch=128       0.3916 0.8534 0.9872      0.10288     4061429497    3
nprobe=1024,quantizer_efSearch=256       0.3922 0.8565 0.9906      0.13626     4077383821    3
nprobe=2048,quantizer_efSearch=256       0.3924 0.8572 0.9917      0.17471     7901809527    2
nprobe=2048,quantizer_efSearch=512       0.3925 0.8580 0.9930      0.22731     7987250747    2
`IVF262144(IVF512,PQ64x4fs,RFlat),PQ64x4fs`
Index size 4279225801code_size 32
log filename: autotune.dbbigann100M.IVF262144_IVF512_PQ64x4fs_RFlat__PQ64x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                          0.3726 0.7774 0.8785      0.01496      282536860    21
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1       0.1132 0.1720 0.1773      0.00148        4533788    204
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=1       0.1138 0.1731 0.1785      0.00155        4531448    194
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=4       0.1347 0.2070 0.2128      0.00165        5035374    182
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=4       0.1398 0.2157 0.2217      0.00166        5029841    181
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=4       0.1407 0.2180 0.2241      0.00175        5025453    172
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=1       0.1499 0.2385 0.2504      0.00184        8898516    164
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2       0.1586 0.2571 0.2684      0.00177        9103441    170
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4       0.1912 0.3091 0.3222      0.00190        9387578    158
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4       0.1944 0.3173 0.3317      0.00215        9350451    140
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8       0.2064 0.3336 0.3483      0.00232       10031329    130
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2       0.2149 0.3733 0.3976      0.00232       17855811    130
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2       0.2171 0.3781 0.4040      0.00245       17799849    123
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=4       0.2231 0.3848 0.4071      0.00241       18215265    125
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4       0.2409 0.4225 0.4486      0.00243       18142393    124
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4       0.2427 0.4272 0.4550      0.00257       18097999    117
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=4       0.2444 0.4290 0.4569      0.00281       18072399    107
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16      0.2619 0.4597 0.4886      0.00341       20008335    89
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8       0.2785 0.5200 0.5577      0.00358       36426372    84
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=16      0.2842 0.5296 0.5679      0.00407       37641713    74
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8       0.2962 0.5518 0.5958      0.00371       36135589    81
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16      0.3043 0.5690 0.6150      0.00452       37243149    67
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8      0.3147 0.6138 0.6728      0.00532       71559463    57
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.3238 0.6364 0.7006      0.00554       70757621    55
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.3353 0.6606 0.7273      0.00657       71643033    46
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.3454 0.7045 0.7865      0.00868      139396511    35
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=16     0.3505 0.7097 0.7898      0.00883      142332953    34
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32     0.3634 0.7440 0.8303      0.01037      142542122    29
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32     0.3653 0.7486 0.8353      0.01241      142043012    25
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16     0.3691 0.7690 0.8667      0.01290      280756889    24
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=32     0.3726 0.7774 0.8785      0.01516      282536801    20
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.3748 0.7855 0.8876      0.01554      274668658    20
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.3783 0.7963 0.9021      0.01647      276534127    19
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64     0.3797 0.7992 0.9050      0.01910      281286607    16
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=64    0.3817 0.8169 0.9341      0.02418      559681589    13
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.3862 0.8285 0.9486      0.02475      547263939    13
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.3871 0.8285 0.9488      0.04376      545840964    7
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.3880 0.8415 0.9684      0.04521     1066020976    7
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=128   0.3883 0.8413 0.9684      0.03786     1105738429    8
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128   0.3904 0.8481 0.9765      0.04141     1078267448    8
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=128   0.3912 0.8551 0.9883      0.06716     2099698797    5
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.3914 0.8539 0.9870      0.07403     2088749523    5
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.3919 0.8565 0.9912      0.10072     4096824733    4
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.3924 0.8582 0.9931      0.10430     4099685092    3
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=256  0.3925 0.8582 0.9931      0.10763     4118728031    3
nprobe=1024,quantizer_k_factor_rf=16,quantizer_nprobe=256 0.3926 0.8583 0.9932      0.26590     4114002227    2
`IVF65536_HNSW32,PQ64x4fs`
Index size 4084942469code_size 32
log filename: autotune.dbbigann100M.IVF65536_HNSW32_PQ64x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2771 0.5211 0.5631      0.00532       68399011    57
nprobe=1,quantizer_efSearch=8            0.1756 0.2834 0.2979      0.00249       17103670    121
nprobe=1,quantizer_efSearch=16           0.1793 0.2879 0.3025      0.00313       17085123    96
nprobe=2,quantizer_efSearch=4            0.2112 0.3704 0.3945      0.00317       34318819    95
nprobe=2,quantizer_efSearch=8            0.2293 0.4033 0.4289      0.00351       34250189    86
nprobe=2,quantizer_efSearch=16           0.2349 0.4110 0.4370      0.00419       34213222    72
nprobe=4,quantizer_efSearch=4            0.2560 0.4715 0.5111      0.00473       68518618    64
nprobe=4,quantizer_efSearch=8            0.2771 0.5211 0.5631      0.00532       68399011    57
nprobe=4,quantizer_efSearch=16           0.2814 0.5308 0.5736      0.00589       68304009    51
nprobe=4,quantizer_efSearch=32           0.2829 0.5333 0.5762      0.00696       68252083    44
nprobe=8,quantizer_efSearch=4            0.3087 0.6113 0.6739      0.00785      136742870    39
nprobe=8,quantizer_efSearch=8            0.3164 0.6278 0.6910      0.00763      136640783    40
nprobe=8,quantizer_efSearch=16           0.3265 0.6480 0.7129      0.00857      136459814    35
nprobe=8,quantizer_efSearch=32           0.3282 0.6522 0.7175      0.00949      136317942    32
nprobe=16,quantizer_efSearch=4           0.3326 0.6759 0.7561      0.01074      271953777    28
nprobe=16,quantizer_efSearch=16          0.3512 0.7271 0.8129      0.01188      271357642    26
nprobe=16,quantizer_efSearch=32          0.3538 0.7354 0.8220      0.01447      271032279    21
nprobe=32,quantizer_efSearch=8           0.3573 0.7531 0.8534      0.01476      539012704    21
nprobe=32,quantizer_efSearch=16          0.3665 0.7771 0.8829      0.01765      537898912    17
nprobe=32,quantizer_efSearch=32          0.3692 0.7872 0.8944      0.02061      537249290    15
nprobe=32,quantizer_efSearch=64          0.3703 0.7894 0.8965      0.02208      536988732    14
nprobe=64,quantizer_efSearch=16          0.3728 0.8075 0.9241      0.02531     1064247249    12
nprobe=64,quantizer_efSearch=32          0.3771 0.8201 0.9408      0.02732     1062496817    12
nprobe=64,quantizer_efSearch=64          0.3791 0.8245 0.9457      0.03385     1061623065    9
nprobe=64,quantizer_efSearch=128         0.3793 0.8255 0.9470      0.03781     1061290123    8
nprobe=128,quantizer_efSearch=32         0.3795 0.8353 0.9639      0.03893     2094488150    8
nprobe=128,quantizer_efSearch=64         0.3827 0.8415 0.9712      0.04287     2090984304    7
nprobe=128,quantizer_efSearch=128        0.3828 0.8432 0.9732      0.04538     2089619224    7
nprobe=256,quantizer_efSearch=64         0.3839 0.8486 0.9828      0.06008     4111546907    5
nprobe=256,quantizer_efSearch=128        0.3841 0.8503 0.9853      0.06131     4105567534    5
nprobe=512,quantizer_efSearch=64         0.3846 0.8496 0.9857      0.08897     8046544476    4
nprobe=512,quantizer_efSearch=128        0.3848 0.8519 0.9898      0.10413     8059547740    3
`OPQ32_128,IVF1048576_HNSW32,PQ32`
Index size 4830818224code_size 32
log filename: autotune.dbbigann100M.OPQ32_128_IVF1048576_HNSW32_PQ32.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                          0.6445 0.9280 0.9312      0.45465      278471146    1
nprobe=1,quantizer_efSearch=4,ht=56       0.0022 0.0025 0.0025      0.00368        1165579    82
nprobe=1,quantizer_efSearch=4,ht=106      0.1029 0.1126 0.1126      0.00396        1165579    76
nprobe=2,quantizer_efSearch=4,ht=102      0.1225 0.1371 0.1371      0.00494        2322684    61
nprobe=1,quantizer_efSearch=16,ht=114     0.1440 0.1582 0.1582      0.00776        1154921    39
nprobe=1,quantizer_efSearch=16,ht=116     0.1474 0.1626 0.1626      0.00749        1154921    41
nprobe=2,quantizer_efSearch=16,ht=110     0.1927 0.2187 0.2187      0.00906        2308235    34
nprobe=4,quantizer_efSearch=8,ht=118      0.2953 0.3512 0.3513      0.00915        4634699    33
nprobe=4,quantizer_efSearch=32,ht=256     0.3171 0.3802 0.3803      0.01316        4596765    23
nprobe=8,quantizer_efSearch=16,ht=114     0.3719 0.4553 0.4555      0.01693        9220972    18
nprobe=8,quantizer_efSearch=16,ht=128     0.3962 0.4952 0.4956      0.01754        9220972    18
nprobe=16,quantizer_efSearch=4,ht=114     0.4028 0.5065 0.5068      0.02488       18458614    13
nprobe=16,quantizer_efSearch=4,ht=122     0.4224 0.5403 0.5408      0.02561       18458614    12
nprobe=16,quantizer_efSearch=4,ht=126     0.4244 0.5439 0.5444      0.02576       18458614    12
nprobe=16,quantizer_efSearch=8,ht=118     0.4476 0.5727 0.5733      0.02607       18424044    12
nprobe=16,quantizer_efSearch=64,ht=256    0.4787 0.6241 0.6246      0.02793       18251663    11
nprobe=32,quantizer_efSearch=8,ht=124     0.5040 0.6668 0.6677      0.04873       36648070    7
nprobe=32,quantizer_efSearch=32,ht=116    0.5234 0.6902 0.6910      0.05380       36392502    6
nprobe=64,quantizer_efSearch=64,ht=126    0.5926 0.8226 0.8245      0.10690       71857153    3
nprobe=64,quantizer_efSearch=128,ht=126   0.5952 0.8271 0.8290      0.12091       71732916    3
nprobe=128,quantizer_efSearch=512,ht=256  0.6312 0.9006 0.9035      0.17748      141446279    2
nprobe=256,quantizer_efSearch=512,ht=116  0.6341 0.8984 0.9002      0.45425      278471146    1
nprobe=256,quantizer_efSearch=512,ht=120  0.6445 0.9280 0.9312      0.45492      278471146    1
nprobe=256,quantizer_efSearch=512,ht=122  0.6473 0.9352 0.9389      0.45176      278471146    1
nprobe=512,quantizer_efSearch=128,ht=120  0.6496 0.9469 0.9514      0.72031      550265079    1
nprobe=1024,quantizer_efSearch=512,ht=122 0.6607 0.9751 0.9807      1.50537     1073452343    1
nprobe=1024,quantizer_efSearch=512,ht=128 0.6643 0.9820 0.9884      1.52571     1073452343    1
nprobe=4096,quantizer_efSearch=512,ht=256 0.6658 0.9895 0.9966      2.38749     4068395676    1
`OPQ32_128,IVF1048576(IVF1024,PQ64x4fs,RFlat),PQ32`
Index size 4588470772code_size 32
log filename: autotune.dbbigann100M.OPQ32_128_IVF1048576_IVF1024_PQ64x4fs_RFlat__PQ32.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                0.2884 0.3625 0.3631      0.68607      543327076    1
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2,ht=66       0.0045 0.0050 0.0050      0.00343        1890279    88
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2,ht=72       0.0073 0.0080 0.0080      0.00342        1890202    88
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=4,ht=88       0.0261 0.0290 0.0290      0.00357        2614183    84
nprobe=1,quantizer_k_factor_rf=64,quantizer_nprobe=1,ht=96      0.0506 0.0549 0.0549      0.00402        1530306    75
nprobe=1,quantizer_k_factor_rf=64,quantizer_nprobe=2,ht=126     0.1388 0.1556 0.1556      0.00419        1892009    72
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=4,ht=114      0.1983 0.2274 0.2275      0.00532        3772775    57
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=8,ht=128      0.2180 0.2521 0.2522      0.00568        5162257    53
nprobe=2,quantizer_k_factor_rf=32,quantizer_nprobe=16,ht=256    0.2288 0.2649 0.2650      0.00604        7860531    50
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4,ht=116      0.2756 0.3290 0.3293      0.00794        6098773    38
nprobe=4,quantizer_k_factor_rf=64,quantizer_nprobe=4,ht=128     0.2870 0.3463 0.3467      0.01084        6091994    28
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=16,ht=128    0.3140 0.3781 0.3785      0.01113       10155652    27
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=4,ht=120      0.3571 0.4424 0.4428      0.01357       10734588    23
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=16,ht=128    0.3984 0.4986 0.4991      0.01686       14737459    18
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=8,ht=114     0.4277 0.5475 0.5482      0.02609       21257547    12
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16,ht=128    0.4728 0.6165 0.6174      0.02835       23909257    11
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=64,ht=128    0.4761 0.6231 0.6240      0.03347       39306245    9
nprobe=32,quantizer_k_factor_rf=64,quantizer_nprobe=16,ht=256   0.5377 0.7262 0.7277      0.04738       42004548    7
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=256,ht=126   0.5412 0.7351 0.7366      0.07267      116236328    5
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16,ht=120    0.5766 0.7932 0.7955      0.09586       77782385    4
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32,ht=122    0.5890 0.8168 0.8196      0.09660       82531472    4
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=256   0.6138 0.8686 0.8715      0.08995      148186616    4
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=122   0.6262 0.8918 0.8953      0.35829      287099890    1
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=128,ht=122  0.6470 0.9363 0.9405      0.37480      319400050    1
nprobe=512,quantizer_k_factor_rf=32,quantizer_nprobe=512,ht=256 0.6597 0.9714 0.9771      0.53518      711282443    1
nprobe=4096,quantizer_k_factor_rf=2,quantizer_nprobe=512,ht=256 0.6660 0.9919 0.9993      2.33629     4260487971    1
`OPQ32_128,IVF262144_HNSW32,PQ32`
Index size 4207854768code_size 32
log filename: autotune.dbbigann100M.OPQ32_128_IVF262144_HNSW32_PQ32.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                          0.6433 0.9653 0.9722      0.45923     1054136145    1
nprobe=1,quantizer_efSearch=4,ht=56       0.0028 0.0037 0.0037      0.00324        4325543    93
nprobe=1,quantizer_efSearch=4,ht=68       0.0079 0.0099 0.0099      0.00317        4325543    95
nprobe=1,quantizer_efSearch=4,ht=106      0.1482 0.1699 0.1702      0.00327        4325543    92
nprobe=2,quantizer_efSearch=4,ht=102      0.1772 0.2096 0.2102      0.00457        8656815    66
nprobe=1,quantizer_efSearch=16,ht=116     0.1971 0.2289 0.2292      0.00654        4287754    46
nprobe=2,quantizer_efSearch=16,ht=110     0.2611 0.3116 0.3122      0.00757        8595821    40
nprobe=4,quantizer_efSearch=8,ht=118      0.3663 0.4634 0.4643      0.00906       17269371    34
nprobe=4,quantizer_efSearch=32,ht=256     0.3853 0.4907 0.4918      0.01145       17211297    27
nprobe=8,quantizer_efSearch=16,ht=114     0.4463 0.5819 0.5833      0.01651       34440560    19
nprobe=8,quantizer_efSearch=16,ht=128     0.4606 0.6102 0.6118      0.01844       34440560    17
nprobe=16,quantizer_efSearch=4,ht=114     0.4674 0.6243 0.6262      0.02754       68984057    11
nprobe=16,quantizer_efSearch=64,ht=256    0.5291 0.7333 0.7356      0.02844       68624102    11
nprobe=32,quantizer_efSearch=8,ht=124     0.5493 0.7744 0.7775      0.05644      137064959    6
nprobe=32,quantizer_efSearch=32,ht=116    0.5729 0.8072 0.8098      0.05689      136572012    6
nprobe=128,quantizer_efSearch=64,ht=256   0.6325 0.9412 0.9470      0.11801      535213636    3
nprobe=128,quantizer_efSearch=512,ht=256  0.6348 0.9468 0.9528      0.18629      534400545    2
nprobe=256,quantizer_efSearch=512,ht=116  0.6370 0.9481 0.9535      0.43818     1054136145    1
nprobe=256,quantizer_efSearch=512,ht=122  0.6444 0.9692 0.9763      0.46042     1054136145    1
nprobe=512,quantizer_efSearch=128,ht=120  0.6457 0.9726 0.9803      0.78086     2078646325    1
nprobe=1024,quantizer_efSearch=512,ht=122 0.6494 0.9847 0.9931      1.59940     4072977444    1
nprobe=2048,quantizer_efSearch=512,ht=122 0.6498 0.9859 0.9944      3.08593     7987294037    1
nprobe=4096,quantizer_efSearch=512,ht=256 0.6501 0.9899 0.9987      3.25038    15298536805    1
`OPQ32_128,IVF262144(IVF512,PQ64x4fs,RFlat),PQ32`
Index size 4147540468code_size 32
log filename: autotune.dbbigann100M.OPQ32_128_IVF262144_IVF512_PQ64x4fs_RFlat__PQ32.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                 0.0003 0.0003 0.0003      0.00778       19193301    39
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=1,ht=2         0.0001 0.0001 0.0001      0.00258        4553581    117
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=1,ht=74        0.0118 0.0143 0.0143      0.00262        4541259    115
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=2,ht=108       0.1546 0.1778 0.1779      0.00281        4684663    107
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1,ht=120       0.1923 0.2285 0.2288      0.00451        8952434    67
nprobe=2,quantizer_k_factor_rf=64,quantizer_nprobe=1,ht=256      0.2091 0.2515 0.2519      0.00458        8886844    66
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=16,ht=122      0.2604 0.3149 0.3152      0.00577       11390535    53
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=122      0.2892 0.3519 0.3523      0.00593       11323723    51
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=2,ht=120       0.3006 0.3731 0.3736      0.00841       17925294    36
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=116      0.3689 0.4631 0.4637      0.00874       20011706    35
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=2,ht=256       0.3693 0.4822 0.4832      0.00946       35274488    32
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=128,ht=256    0.3863 0.4909 0.4915      0.01419       37822039    22
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4,ht=118       0.4012 0.5173 0.5183      0.01433       35730732    21
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=8,ht=124       0.4539 0.6016 0.6026      0.01633       35960890    19
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=126      0.4582 0.6086 0.6096      0.01680       37235294    18
nprobe=8,quantizer_k_factor_rf=32,quantizer_nprobe=64,ht=128     0.4652 0.6174 0.6185      0.02324       44950314    13
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=32,ht=126     0.5115 0.6985 0.7001      0.03117       74786398    10
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=16,ht=128    0.5275 0.7283 0.7302      0.03337       71576907    9
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8,ht=116      0.5469 0.7685 0.7713      0.05264      138921343    6
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=128,ht=124    0.5623 0.7986 0.8015      0.06143      159029095    5
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32,ht=120     0.5782 0.8275 0.8307      0.05468      142041932    6
nprobe=64,quantizer_k_factor_rf=64,quantizer_nprobe=8,ht=256     0.5826 0.8400 0.8435      0.11915      274457543    3
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16,ht=116     0.5979 0.8624 0.8661      0.10248      274589782    3
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=32,ht=116    0.6042 0.8752 0.8792      0.11199      276441711    3
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=32,ht=126    0.6144 0.9004 0.9049      0.11821      276441711    3
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=64,ht=128    0.6172 0.9039 0.9084      0.12029      281261835    3
nprobe=128,quantizer_k_factor_rf=64,quantizer_nprobe=128,ht=256  0.6339 0.9478 0.9539      0.26247      555728381    2
nprobe=256,quantizer_k_factor_rf=32,quantizer_nprobe=32,ht=256   0.6409 0.9670 0.9742      0.31303     1063902657    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=128,ht=118  0.6436 0.9743 0.9819      1.47324     4096199055    1
nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=64,ht=120   0.6464 0.9799 0.9882      1.50565     4092510106    1
nprobe=1024,quantizer_k_factor_rf=16,quantizer_nprobe=256,ht=120 0.6465 0.9815 0.9899      1.64118     4113972220    1
nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=64,ht=126   0.6491 0.9867 0.9956      1.59815     4092510106    1
nprobe=2048,quantizer_k_factor_rf=32,quantizer_nprobe=64,ht=256  0.6495 0.9888 0.9979      1.90930     8020740090    1
nprobe=4096,quantizer_k_factor_rf=64,quantizer_nprobe=256,ht=256 0.6496 0.9909 1.0000      4.90509    15672910993    1
`OPQ32_128,IVF65536_HNSW32,PQ32`
Index size 4052113072code_size 32
log filename: autotune.dbbigann100M.OPQ32_128_IVF65536_HNSW32_PQ32.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                          0.6295 0.9811 0.9903      0.47690     4103270412    1
nprobe=1,quantizer_efSearch=4,ht=56       0.0049 0.0056 0.0056      0.00294       17144696    102
nprobe=1,quantizer_efSearch=4,ht=106      0.1965 0.2364 0.2368      0.00313       17144696    96
nprobe=1,quantizer_efSearch=16,ht=114     0.2388 0.2938 0.2942      0.00431       17084626    70
nprobe=1,quantizer_efSearch=16,ht=116     0.2421 0.2988 0.2993      0.00448       17084626    68
nprobe=2,quantizer_efSearch=16,ht=110     0.3194 0.4029 0.4036      0.00581       34210550    52
nprobe=2,quantizer_efSearch=64,ht=120     0.3385 0.4372 0.4380      0.00999       34175958    31
nprobe=4,quantizer_efSearch=8,ht=118      0.4139 0.5588 0.5608      0.00993       68419998    31
nprobe=4,quantizer_efSearch=32,ht=116     0.4210 0.5679 0.5698      0.01111       68254816    27
nprobe=4,quantizer_efSearch=32,ht=118     0.4231 0.5720 0.5741      0.01139       68254816    27
nprobe=4,quantizer_efSearch=32,ht=256     0.4249 0.5770 0.5792      0.01088       68254816    28
nprobe=8,quantizer_efSearch=32,ht=106     0.4501 0.6043 0.6062      0.01616      136318195    19
nprobe=8,quantizer_efSearch=16,ht=114     0.4938 0.6946 0.6977      0.01678      136466868    18
nprobe=8,quantizer_efSearch=32,ht=116     0.5011 0.7083 0.7114      0.01806      136318195    17
nprobe=8,quantizer_efSearch=64,ht=116     0.5020 0.7093 0.7124      0.01993      136290846    16
nprobe=8,quantizer_efSearch=64,ht=126     0.5053 0.7193 0.7225      0.02479      136290846    13
nprobe=16,quantizer_efSearch=4,ht=114     0.5121 0.7368 0.7402      0.03015      272019552    10
nprobe=16,quantizer_efSearch=64,ht=110    0.5337 0.7592 0.7623      0.03309      270936206    10
nprobe=16,quantizer_efSearch=64,ht=256    0.5605 0.8238 0.8279      0.03263      270936206    10
nprobe=32,quantizer_efSearch=32,ht=116    0.5888 0.8830 0.8882      0.06026      537253412    5
nprobe=32,quantizer_efSearch=512,ht=128   0.5948 0.8980 0.9040      0.11619      536869025    3
nprobe=64,quantizer_efSearch=256,ht=114   0.6075 0.9231 0.9288      0.12788     1061223348    3
nprobe=64,quantizer_efSearch=64,ht=126    0.6147 0.9451 0.9527      0.14848     1061617627    3
nprobe=64,quantizer_efSearch=128,ht=126   0.6151 0.9464 0.9540      0.14941     1061291070    3
nprobe=128,quantizer_efSearch=64,ht=256   0.6247 0.9703 0.9790      0.21867     2090958305    2
nprobe=128,quantizer_efSearch=512,ht=256  0.6254 0.9723 0.9810      0.24186     2089262765    2
nprobe=256,quantizer_efSearch=512,ht=116  0.6264 0.9718 0.9800      0.44641     4103270412    1
nprobe=256,quantizer_efSearch=512,ht=120  0.6295 0.9811 0.9903      0.49314     4103270412    1
nprobe=256,quantizer_efSearch=512,ht=122  0.6301 0.9830 0.9924      0.50510     4103270412    1
nprobe=1024,quantizer_efSearch=512,ht=122 0.6318 0.9880 0.9983      1.79748    15769123590    1
`OPQ64_128,IVF1048576_HNSW32,PQ64x4fs`
Index size 5360042956code_size 32
log filename: autotune.dbbigann100M.OPQ64_128_IVF1048576_HNSW32_PQ64x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3721 0.8255 0.9412      0.12032      278463429    3
nprobe=2,quantizer_efSearch=4            0.1434 0.2200 0.2283      0.00260        2321300    116
nprobe=4,quantizer_efSearch=4            0.1796 0.2970 0.3135      0.00289        4635580    104
nprobe=4,quantizer_efSearch=8            0.2050 0.3460 0.3625      0.00411        4630851    73
nprobe=8,quantizer_efSearch=4            0.2370 0.4284 0.4573      0.00412        9269396    73
nprobe=8,quantizer_efSearch=8            0.2438 0.4391 0.4690      0.00484        9261760    62
nprobe=16,quantizer_efSearch=4           0.2631 0.5058 0.5456      0.00553       18449946    55
nprobe=16,quantizer_efSearch=8           0.2827 0.5467 0.5895      0.00659       18422131    46
nprobe=16,quantizer_efSearch=16          0.2908 0.5655 0.6089      0.00803       18370492    38
nprobe=32,quantizer_efSearch=8           0.3054 0.6118 0.6697      0.00821       36645457    37
nprobe=32,quantizer_efSearch=16          0.3188 0.6490 0.7099      0.01045       36514786    29
nprobe=32,quantizer_efSearch=32          0.3272 0.6646 0.7263      0.01328       36389661    23
nprobe=64,quantizer_efSearch=16          0.3324 0.6959 0.7759      0.01442       72395803    21
nprobe=64,quantizer_efSearch=32          0.3434 0.7258 0.8082      0.01755       72092968    18
nprobe=128,quantizer_efSearch=32         0.3546 0.7664 0.8644      0.02331      142666771    13
nprobe=128,quantizer_efSearch=64         0.3625 0.7883 0.8884      0.03033      142090294    10
nprobe=256,quantizer_efSearch=64         0.3668 0.8113 0.9236      0.04000      280539575    8
nprobe=256,quantizer_efSearch=128        0.3713 0.8233 0.9383      0.05211      279312529    6
nprobe=256,quantizer_efSearch=256        0.3716 0.8256 0.9411      0.07262      278674799    5
nprobe=512,quantizer_efSearch=128        0.3722 0.8367 0.9611      0.07441      550259136    5
nprobe=512,quantizer_efSearch=256        0.3732 0.8413 0.9670      0.10585      548053339    3
nprobe=1024,quantizer_efSearch=256       0.3754 0.8477 0.9801      0.13573     1077172010    3
nprobe=1024,quantizer_efSearch=512       0.3766 0.8492 0.9821      0.19674     1073442874    2
`OPQ64_128,IVF1048576_HNSW32,PQ64x4fsr`
Index size 5360027596code_size 32
log filename: autotune.dbbigann100M.OPQ64_128_IVF1048576_HNSW32_PQ64x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.4567 0.6203 0.6221      0.02711       18294660    12
nprobe=1,quantizer_efSearch=4            0.1337 0.1536 0.1536      0.00338        1165146    89
nprobe=2,quantizer_efSearch=4            0.1927 0.2273 0.2276      0.00400        2322629    75
nprobe=4,quantizer_efSearch=4            0.2531 0.3115 0.3122      0.00519        4636661    58
nprobe=4,quantizer_efSearch=8            0.2917 0.3621 0.3629      0.00691        4631366    44
nprobe=8,quantizer_efSearch=4            0.3561 0.4568 0.4578      0.00864        9272922    35
nprobe=8,quantizer_efSearch=8            0.3647 0.4689 0.4699      0.00924        9263494    33
nprobe=8,quantizer_efSearch=16           0.3841 0.4951 0.4961      0.01227        9220895    25
nprobe=8,quantizer_efSearch=32           0.3889 0.5011 0.5021      0.01761        9186070    18
nprobe=16,quantizer_efSearch=4           0.4072 0.5450 0.5465      0.01780       18452984    17
nprobe=16,quantizer_efSearch=8           0.4355 0.5891 0.5908      0.01916       18422043    16
nprobe=16,quantizer_efSearch=16          0.4502 0.6093 0.6111      0.02026       18370343    15
nprobe=16,quantizer_efSearch=32          0.4567 0.6203 0.6221      0.02674       18294660    12
nprobe=16,quantizer_efSearch=64          0.4595 0.6226 0.6244      0.03387       18251552    9
nprobe=32,quantizer_efSearch=8           0.4788 0.6692 0.6721      0.03564       36648505    9
nprobe=32,quantizer_efSearch=16          0.5040 0.7090 0.7121      0.03696       36518604    9
nprobe=32,quantizer_efSearch=32          0.5141 0.7258 0.7289      0.03932       36392112    8
nprobe=32,quantizer_efSearch=64          0.5198 0.7337 0.7367      0.05099       36290143    6
nprobe=32,quantizer_efSearch=128         0.5212 0.7358 0.7388      0.06615       36244101    5
nprobe=64,quantizer_efSearch=16          0.5369 0.7745 0.7791      0.07409       72401331    5
nprobe=64,quantizer_efSearch=32          0.5538 0.8075 0.8123      0.07622       72099984    4
nprobe=64,quantizer_efSearch=64          0.5634 0.8220 0.8268      0.07992       71860533    4
nprobe=64,quantizer_efSearch=128         0.5666 0.8271 0.8317      0.09681       71736887    4
nprobe=64,quantizer_efSearch=256         0.5673 0.8283 0.8329      0.12807       71690472    3
nprobe=128,quantizer_efSearch=32         0.5811 0.8639 0.8702      0.14047      142679331    3
nprobe=128,quantizer_efSearch=64         0.5910 0.8869 0.8937      0.14339      142093765    3
nprobe=128,quantizer_efSearch=128        0.5950 0.8951 0.9021      0.15264      141672097    2
nprobe=128,quantizer_efSearch=256        0.5965 0.8965 0.9036      0.17611      141499766    2
nprobe=256,quantizer_efSearch=64         0.6050 0.9215 0.9296      0.28036      280546527    2
nprobe=256,quantizer_efSearch=128        0.6115 0.9360 0.9447      0.28836      279326096    2
nprobe=256,quantizer_efSearch=256        0.6149 0.9393 0.9477      0.30832      278683984    1
nprobe=512,quantizer_efSearch=128        0.6206 0.9589 0.9680      0.52809      550267158    1
nprobe=512,quantizer_efSearch=256        0.6237 0.9644 0.9740      0.56624      548067908    1
nprobe=512,quantizer_efSearch=512        0.6254 0.9662 0.9753      0.58875      547091726    1
nprobe=1024,quantizer_efSearch=256       0.6263 0.9766 0.9876      1.00819     1077197105    1
nprobe=1024,quantizer_efSearch=512       0.6265 0.9789 0.9898      1.05065     1073456094    1
`OPQ64_128,IVF1048576(IVF1024,PQ64x4fs,RFlat),PQ64x4fs`
Index size 5118383632code_size 32
log filename: autotune.dbbigann100M.OPQ64_128_IVF1048576_IVF1024_PQ64x4fs_RFlat__PQ64x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.3665 0.8115 0.9215      0.03949      324561618    8
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.1020 0.1448 0.1480      0.00199        1898723    151
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1046 0.1501 0.1535      0.00203        1894030    148
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1      0.1149 0.1738 0.1806      0.00210        2705253    143
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=1      0.1181 0.1806 0.1877      0.00217        2694810    139
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.1244 0.1901 0.1955      0.00222        3077257    136
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1384 0.2178 0.2254      0.00233        3055563    129
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=1      0.1454 0.2321 0.2452      0.00250        5031298    120
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.1598 0.2609 0.2730      0.00258        5424424    117
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.1743 0.2880 0.3029      0.00267        5394806    113
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1766 0.2931 0.3093      0.00278        5388357    109
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.1907 0.3212 0.3373      0.00296        6103271    102
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.1956 0.3375 0.3589      0.00323       10114012    93
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.2010 0.3398 0.3559      0.00358        7486410    84
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2167 0.3840 0.4078      0.00352       10813314    86
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2321 0.4128 0.4424      0.00364       10746538    83
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.2344 0.4213 0.4511      0.00435       10725558    69
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.2491 0.4511 0.4817      0.00445       12098881    68
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.2603 0.4955 0.5358      0.00498       19981292    61
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.2688 0.5080 0.5462      0.00512       21473629    59
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.2781 0.5386 0.5880      0.00664       38689112    46
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.2826 0.5488 0.5914      0.00659       21243977    46
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.2928 0.5717 0.6148      0.00699       23917851    43
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.3103 0.6239 0.6818      0.00771       39542069    39
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3245 0.6613 0.7235      0.00964       42040102    32
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.3255 0.6625 0.7246      0.01125       42024513    27
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.3276 0.6715 0.7339      0.01184       47188584    26
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.3336 0.6965 0.7702      0.01175       78916917    26
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.3403 0.7207 0.8019      0.01272       77970793    24
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3424 0.7241 0.8064      0.01436       77782924    21
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.3455 0.7366 0.8190      0.01475       82952423    21
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.3472 0.7394 0.8235      0.01635       82725304    19
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.3475 0.7483 0.8391      0.01777      150854826    17
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.3509 0.7441 0.8283      0.02279       92308290    14
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.3624 0.7902 0.8912      0.02473      152821473    13
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.3651 0.7957 0.8980      0.02894      162324614    11
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.3679 0.8147 0.9281      0.03352      291188640    9
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.3692 0.8164 0.9299      0.04021      290805556    8
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.3713 0.8225 0.9376      0.03799      300667975    8
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.3727 0.8272 0.9429      0.04904      320211486    7
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.3737 0.8340 0.9580      0.05443      600977386    6
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.3745 0.8422 0.9693      0.07493      588303330    5
nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=128 0.3759 0.8475 0.9785      0.08418     1141544031    4
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=256 0.3767 0.8505 0.9834      0.11062     1157019167    3
nprobe=2048,quantizer_k_factor_rf=1,quantizer_nprobe=256 0.3776 0.8518 0.9871      0.14927     2234301549    3
`OPQ64_128,IVF1048576(IVF1024,PQ64x4fs,RFlat),PQ64x4fsr`
Index size 5118294544code_size 32
log filename: autotune.dbbigann100M.OPQ64_128_IVF1048576_IVF1024_PQ64x4fs_RFlat__PQ64x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.3699 0.4683 0.4693      0.00526       12123382    57
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=2     0.1338 0.1551 0.1551      0.00199        1893478    151
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.1988 0.2347 0.2349      0.00240        3776244    125
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.2103 0.2498 0.2499      0.00270        3769331    111
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.2415 0.2953 0.2959      0.00284        5412913    106
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2693 0.3291 0.3296      0.00325        6113231    93
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.2789 0.3469 0.3474      0.00332        6091593    91
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.3053 0.3906 0.3914      0.00456       10038252    66
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.3066 0.3927 0.3935      0.00461       10037697    66
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.3451 0.4382 0.4391      0.00472       10761087    64
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.3507 0.4494 0.4503      0.00497       10724464    61
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8      0.3699 0.4683 0.4693      0.00526       12123505    58
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.3777 0.4823 0.4832      0.00544       12085507    56
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.3896 0.4984 0.4993      0.00667       14687987    46
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.3898 0.4993 0.5002      0.00737       14692348    41
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=32     0.3928 0.5023 0.5032      0.00885       19658775    34
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.4044 0.5413 0.5425      0.01441       19917340    21
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.4335 0.5787 0.5802      0.01446       21339165    21
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.4409 0.5917 0.5931      0.01493       21238173    21
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.4561 0.6151 0.6165      0.01603       23848362    19
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.4609 0.6213 0.6229      0.02076       37441064    15
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.4618 0.6234 0.6251      0.02064       28968302    15
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.4845 0.6775 0.6796      0.02838       39639418    11
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.4950 0.6908 0.6932      0.02821       39442666    11
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.4958 0.6906 0.6931      0.02803       39434627    11
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.5177 0.7238 0.7265      0.02804       41911438    11
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.5184 0.7250 0.7278      0.02878       41952905    11
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.5237 0.7354 0.7382      0.03084       46835948    10
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.5238 0.7355 0.7382      0.03161       46895000    10
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.5247 0.7363 0.7389      0.03260       56343585    10
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.5257 0.7377 0.7404      0.03397       56578050    9
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=128   0.5259 0.7373 0.7400      0.03795       75530247    8
nprobe=32,quantizer_k_factor_rf=16,quantizer_nprobe=256  0.5261 0.7374 0.7401      0.04696      117312568    7
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=32    0.5602 0.8099 0.8139      0.06508       82953789    5
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=64    0.5630 0.8138 0.8177      0.06754       92409830    5
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.5719 0.8295 0.8334      0.07137       92078068    5
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.5727 0.8298 0.8336      0.06214       91274543    5
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.5798 0.8587 0.8630      0.11985      149203561    3
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=32   0.5920 0.8815 0.8865      0.11105      153647069    3
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.6038 0.9001 0.9048      0.12391      162890581    3
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=128 0.6039 0.9003 0.9050      0.12807      183100918    3
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.6124 0.9311 0.9378      0.22973      290925692    2
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.6150 0.9354 0.9421      0.23621      321593516    2
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.6194 0.9429 0.9499      0.25252      320737589    2
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.6257 0.9640 0.9727      0.45973      593943473    1
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=256  0.6259 0.9640 0.9727      0.43095      631712875    1
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.6270 0.9682 0.9766      0.44760      589560872    1
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.6272 0.9686 0.9770      0.43876      588264650    1
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=256  0.6273 0.9688 0.9772      0.46654      629957233    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.6291 0.9817 0.9915      0.88641     1115459166    1
nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=512 0.6294 0.9796 0.9889      0.83395     1245269705    1
nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=512 0.6305 0.9818 0.9914      0.89659     1231540361    1
`OPQ64_128,IVF262144_HNSW32,PQ64x4fs`
Index size 4339648716code_size 32
log filename: autotune.dbbigann100M.OPQ64_128_IVF262144_HNSW32_PQ64x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3802 0.8440 0.9723      0.11346     1054172322    3
nprobe=2,quantizer_efSearch=4            0.1787 0.2961 0.3132      0.00229        8654931    132
nprobe=4,quantizer_efSearch=4            0.2203 0.3916 0.4188      0.00283       17333599    107
nprobe=4,quantizer_efSearch=8            0.2461 0.4402 0.4698      0.00375       17271348    80
nprobe=8,quantizer_efSearch=4            0.2734 0.5182 0.5634      0.00436       34549205    69
nprobe=8,quantizer_efSearch=8            0.2838 0.5365 0.5819      0.00508       34523269    60
nprobe=16,quantizer_efSearch=4           0.2946 0.5892 0.6507      0.00614       68970616    49
nprobe=8,quantizer_efSearch=16           0.3009 0.5639 0.6106      0.00641       34438703    47
nprobe=16,quantizer_efSearch=8           0.3164 0.6351 0.7003      0.00702       68868071    43
nprobe=16,quantizer_efSearch=16          0.3276 0.6536 0.7200      0.00812       68767724    37
nprobe=32,quantizer_efSearch=8           0.3365 0.6941 0.7772      0.01003      137065427    30
nprobe=32,quantizer_efSearch=16          0.3517 0.7290 0.8169      0.01132      136804732    27
nprobe=32,quantizer_efSearch=32          0.3532 0.7386 0.8283      0.01403      136579826    22
nprobe=64,quantizer_efSearch=16          0.3607 0.7680 0.8693      0.01660      271545974    19
nprobe=64,quantizer_efSearch=32          0.3660 0.7867 0.8917      0.01921      270956854    16
nprobe=64,quantizer_efSearch=64          0.3676 0.7926 0.8989      0.02412      270582112    13
nprobe=128,quantizer_efSearch=32         0.3709 0.8121 0.9270      0.02693      536461331    12
nprobe=128,quantizer_efSearch=64         0.3753 0.8218 0.9404      0.03164      535230722    10
nprobe=128,quantizer_efSearch=128        0.3770 0.8249 0.9444      0.04192      534659816    8
nprobe=256,quantizer_efSearch=64         0.3773 0.8350 0.9624      0.04293     1057404331    7
nprobe=256,quantizer_efSearch=128        0.3801 0.8419 0.9704      0.05360     1055245882    6
nprobe=512,quantizer_efSearch=128        0.3806 0.8470 0.9798      0.07300     2078690442    5
nprobe=512,quantizer_efSearch=256        0.3808 0.8495 0.9828      0.09205     2075186087    4
nprobe=1024,quantizer_efSearch=128       0.3809 0.8479 0.9837      0.10454     4061585107    3
nprobe=1024,quantizer_efSearch=256       0.3811 0.8514 0.9875      0.12960     4077495625    3
`OPQ64_128,IVF262144_HNSW32,PQ64x4fsr`
Index size 4339612876code_size 32
log filename: autotune.dbbigann100M.OPQ64_128_IVF262144_HNSW32_PQ64x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.5102 0.7291 0.7330      0.02299       68665865    14
nprobe=1,quantizer_efSearch=4            0.1804 0.2162 0.2167      0.00294        4322407    102
nprobe=1,quantizer_efSearch=16           0.1977 0.2365 0.2370      0.00661        4292539    46
nprobe=2,quantizer_efSearch=16           0.2828 0.3525 0.3534      0.00731        8599956    42
nprobe=4,quantizer_efSearch=16           0.3707 0.4862 0.4876      0.00855       17235943    36
nprobe=8,quantizer_efSearch=16           0.4443 0.6093 0.6122      0.01102       34442006    28
nprobe=8,quantizer_efSearch=32           0.4485 0.6146 0.6175      0.01490       34395136    21
nprobe=16,quantizer_efSearch=16          0.5043 0.7191 0.7229      0.01999       68766932    16
nprobe=16,quantizer_efSearch=32          0.5102 0.7291 0.7330      0.02293       68665865    14
nprobe=16,quantizer_efSearch=64          0.5118 0.7316 0.7355      0.02849       68614596    11
nprobe=32,quantizer_efSearch=16          0.5538 0.8156 0.8212      0.03470      136791419    9
nprobe=32,quantizer_efSearch=32          0.5580 0.8271 0.8332      0.03666      136569592    9
nprobe=32,quantizer_efSearch=64          0.5609 0.8321 0.8383      0.04232      136423731    8
nprobe=32,quantizer_efSearch=128         0.5614 0.8326 0.8388      0.05240      136371924    6
nprobe=64,quantizer_efSearch=16          0.5765 0.8667 0.8739      0.06686      271514574    5
nprobe=64,quantizer_efSearch=128         0.5945 0.9002 0.9076      0.08331      270396629    4
nprobe=64,quantizer_efSearch=256         0.5956 0.9011 0.9085      0.10372      270337195    3
nprobe=128,quantizer_efSearch=128        0.6098 0.9421 0.9517      0.13809      534597552    3
nprobe=128,quantizer_efSearch=256        0.6103 0.9434 0.9529      0.15456      534381251    2
nprobe=256,quantizer_efSearch=128        0.6185 0.9674 0.9786      0.23227     1055111687    2
nprobe=256,quantizer_efSearch=256        0.6191 0.9687 0.9799      0.24936     1054219156    2
nprobe=512,quantizer_efSearch=128        0.6226 0.9774 0.9887      0.40980     2078431243    1
nprobe=512,quantizer_efSearch=256        0.6244 0.9794 0.9916      0.42505     2074928950    1
nprobe=512,quantizer_efSearch=512        0.6246 0.9798 0.9922      0.48303     2073774460    1
nprobe=1024,quantizer_efSearch=256       0.6252 0.9844 0.9964      0.84529     4076966885    1
nprobe=1024,quantizer_efSearch=512       0.6255 0.9854 0.9971      0.90260     4072554553    1
`OPQ64_128,IVF262144(IVF512,PQ64x4fs,RFlat),PQ64x4fs`
Index size 4279433744code_size 32
log filename: autotune.dbbigann100M.OPQ64_128_IVF262144_IVF512_PQ64x4fs_RFlat__PQ64x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.3626 0.7734 0.8753      0.01618      281240606    19
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1      0.1123 0.1698 0.1759      0.00158        4535034    190
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=2     0.1318 0.2027 0.2098      0.00178        4685318    169
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1      0.1356 0.2164 0.2273      0.00185        8969978    163
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=1      0.1436 0.2354 0.2495      0.00191        8888437    157
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.1586 0.2576 0.2708      0.00192        9126064    157
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.1890 0.3057 0.3222      0.00205        9389897    147
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.1916 0.3138 0.3318      0.00221        9351654    136
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.1987 0.3294 0.3475      0.00237       10018581    127
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.2115 0.3730 0.3990      0.00256       17847319    117
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.2138 0.3775 0.4047      0.00264       17785681    114
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2272 0.3860 0.4096      0.00259       18226301    116
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2392 0.4203 0.4480      0.00266       18124330    113
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.2420 0.4261 0.4553      0.00277       18069972    109
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.2429 0.4275 0.4563      0.00295       18062817    102
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4     0.2430 0.4278 0.4565      0.00328       18063633    92
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.2553 0.4518 0.4804      0.00349       20030698    87
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.2580 0.4599 0.4896      0.00365       19979871    83
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=16     0.2587 0.4598 0.4898      0.00394       19973283    77
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2626 0.4823 0.5219      0.00368       35821178    82
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8      0.2779 0.5185 0.5596      0.00388       36364840    78
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.2944 0.5529 0.5984      0.00403       36058099    75
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.3008 0.5669 0.6133      0.00475       37210389    64
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=16     0.3010 0.5676 0.6140      0.00516       37195576    59
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.3128 0.6162 0.6744      0.00586       71365113    52
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.3187 0.6375 0.7011      0.00602       70622598    50
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3283 0.6594 0.7255      0.00689       71609239    44
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.3288 0.6602 0.7265      0.00749       71579451    41
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.3297 0.6614 0.7266      0.00766       74225144    40
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.3311 0.6653 0.7314      0.00794       74104709    38
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.3396 0.7019 0.7858      0.00914      139218360    33
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.3402 0.7064 0.7861      0.00946      141832140    32
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.3406 0.7038 0.7877      0.00998      138943153    31
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.3537 0.7415 0.8297      0.01105      142330567    28
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.3554 0.7443 0.8333      0.01316      142031391    23
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.3564 0.7446 0.8340      0.01334      147054922    23
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.3567 0.7625 0.8619      0.01449      279423252    21
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=32    0.3626 0.7734 0.8753      0.01562      281250199    20
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.3640 0.7803 0.8835      0.01501      275075525    21
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.3684 0.7907 0.8962      0.01603      276945749    19
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.3693 0.7956 0.9021      0.01975      281265045    16
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.3707 0.8056 0.9206      0.02189      541692067    14
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.3751 0.8149 0.9293      0.02478      556452152    13
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.3772 0.8259 0.9450      0.02590      546611014    12
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.3774 0.8263 0.9453      0.02842      556419105    11
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.3778 0.8383 0.9652      0.03669     1065129081    9
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.3801 0.8442 0.9725      0.04061     1077069461    8
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.3803 0.8448 0.9737      0.04928     1075946969    7
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.3805 0.8464 0.9786      0.05712     2136188897    6
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.3806 0.8471 0.9796      0.06144     2143892197    5
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.3817 0.8514 0.9858      0.06432     2097969832    5
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.3819 0.8528 0.9903      0.09714     4097487365    4
`OPQ64_128,IVF262144(IVF512,PQ64x4fs,RFlat),PQ64x4fsr`
Index size 4279330320code_size 32
log filename: autotune.dbbigann100M.OPQ64_128_IVF262144_IVF512_PQ64x4fs_RFlat__PQ64x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                        0.5795 0.8839 0.8911      0.05908      274578635    6
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=1     0.1439 0.1704 0.1709      0.00204        4526806    148
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=2     0.1637 0.1957 0.1961      0.00212        4687931    142
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=2     0.1735 0.2076 0.2080      0.00214        4690121    141
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2     0.1752 0.2099 0.2104      0.00218        4681962    138
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=2     0.1758 0.2103 0.2108      0.00226        4682050    133
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.1782 0.2129 0.2133      0.00235        5017087    128
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1878 0.2246 0.2250      0.00235        5021525    128
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.1883 0.2260 0.2265      0.00249        5016297    121
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2     0.2327 0.2902 0.2912      0.00276        9075164    109
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=2     0.2419 0.3027 0.3038      0.00280        9041966    108
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.2549 0.3174 0.3184      0.00296        9375741    102
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.2666 0.3327 0.3338      0.00310        9344013    97
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.2778 0.3468 0.3479      0.00340       10007894    89
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.2787 0.3491 0.3502      0.00368       10011664    82
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2     0.3086 0.4058 0.4075      0.00408       17769369    74
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.3469 0.4555 0.4572      0.00417       18070325    72
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.3483 0.4582 0.4599      0.00435       18062337    70
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.3520 0.4604 0.4621      0.00454       18753411    67
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.3651 0.4811 0.4828      0.00484       18678000    63
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.3697 0.4868 0.4885      0.00545       19976468    56
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3720 0.4902 0.4919      0.00564       19962361    54
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.4087 0.5588 0.5611      0.00637       35418477    48
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.4272 0.5863 0.5884      0.00665       36171715    46
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.4363 0.6010 0.6033      0.00684       35956577    44
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.4440 0.6140 0.6162      0.00774       37194591    39
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.4453 0.6150 0.6172      0.00803       37192984    38
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.4461 0.6155 0.6178      0.00938       39734521    32
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.4477 0.6167 0.6190      0.00971       39736577    31
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=4    0.4518 0.6342 0.6386      0.01471       70550602    21
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=4    0.4600 0.6460 0.6503      0.01575       70085289    20
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=8    0.4939 0.7053 0.7095      0.01673       70463214    18
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.4979 0.7123 0.7169      0.01689       72022898    18
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.5069 0.7258 0.7301      0.01768       71560832    17
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.5105 0.7315 0.7358      0.01913       74050791    16
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.5109 0.7318 0.7361      0.02192       79130597    14
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.5336 0.7873 0.7935      0.02727      138919344    12
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.5471 0.8089 0.8147      0.02760      140777855    11
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.5559 0.8230 0.8296      0.02805      139740031    11
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.5593 0.8315 0.8381      0.03112      142019093    10
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.5597 0.8317 0.8384      0.03223      142009170    10
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.5782 0.8749 0.8821      0.05841      277000159    6
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.5795 0.8839 0.8911      0.05921      274580361    6
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=32   0.5839 0.8900 0.8976      0.05992      278717180    6
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.5853 0.8982 0.9057      0.06107      276398554    5
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.5854 0.8983 0.9058      0.06278      276437579    5
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64   0.5859 0.9008 0.9084      0.06893      281189334    5
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=128  0.5864 0.9014 0.9090      0.07252      291299460    5
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=16  0.5934 0.9171 0.9252      0.10932      545936989    3
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=16  0.5941 0.9193 0.9279      0.11157      540843633    3
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=32  0.6026 0.9403 0.9487      0.11335      541566933    3
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.6030 0.9446 0.9536      0.11963      555514131    3
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=256 0.6032 0.9446 0.9536      0.12719      575688853    3
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=256 0.6034 0.9447 0.9537      0.13098      576105508    3
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=128 0.6105 0.9666 0.9773      0.21434     1086360190    2
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32  0.6108 0.9631 0.9737      0.21598     1063890800    2
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=64  0.6109 0.9667 0.9771      0.21200     1076760852    2
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64  0.6137 0.9693 0.9804      0.21591     1066312562    2
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.6142 0.9702 0.9813      0.21981     1075530034    2
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=128 0.6143 0.9704 0.9815      0.23748     1074569645    2
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=64  0.6154 0.9766 0.9896      0.39048     2109101520    1
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=64  0.6192 0.9792 0.9921      0.39654     2088555001    1
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.6201 0.9809 0.9938      0.41180     2096298321    1
`OPQ64_128,IVF65536_HNSW32,PQ64x4fs`
Index size 4085042892code_size 32
log filename: autotune.dbbigann100M.OPQ64_128_IVF65536_HNSW32_PQ64x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2673 0.5188 0.5628      0.00621       68413060    49
nprobe=1,quantizer_efSearch=4            0.1567 0.2636 0.2782      0.00247       17136420    122
nprobe=1,quantizer_efSearch=8            0.1687 0.2825 0.2976      0.00279       17109598    108
nprobe=1,quantizer_efSearch=16           0.1722 0.2874 0.3025      0.00338       17085018    89
nprobe=2,quantizer_efSearch=4            0.2054 0.3674 0.3942      0.00376       34333404    80
nprobe=2,quantizer_efSearch=8            0.2213 0.4005 0.4285      0.00403       34252866    75
nprobe=2,quantizer_efSearch=16           0.2267 0.4083 0.4362      0.00458       34211992    66
nprobe=2,quantizer_efSearch=32           0.2270 0.4094 0.4374      0.00552       34181785    55
nprobe=4,quantizer_efSearch=4            0.2477 0.4695 0.5108      0.00589       68545900    51
nprobe=4,quantizer_efSearch=8            0.2673 0.5188 0.5628      0.00617       68413060    49
nprobe=4,quantizer_efSearch=16           0.2718 0.5293 0.5737      0.00676       68304176    45
nprobe=4,quantizer_efSearch=32           0.2727 0.5315 0.5763      0.00793       68256206    38
nprobe=8,quantizer_efSearch=4            0.3037 0.6121 0.6738      0.00901      136749099    34
nprobe=8,quantizer_efSearch=8            0.3109 0.6278 0.6913      0.00897      136649086    34
nprobe=8,quantizer_efSearch=16           0.3202 0.6482 0.7134      0.01032      136466324    30
nprobe=8,quantizer_efSearch=32           0.3214 0.6521 0.7178      0.01145      136321398    27
nprobe=16,quantizer_efSearch=4           0.3250 0.6777 0.7558      0.01248      271984096    25
nprobe=16,quantizer_efSearch=8           0.3385 0.7126 0.7972      0.01273      271722127    24
nprobe=16,quantizer_efSearch=16          0.3446 0.7258 0.8130      0.01430      271369498    22
nprobe=16,quantizer_efSearch=32          0.3484 0.7342 0.8226      0.01631      271038870    19
nprobe=32,quantizer_efSearch=8           0.3510 0.7548 0.8543      0.01636      539026602    19
nprobe=32,quantizer_efSearch=32          0.3648 0.7912 0.8955      0.01791      537273927    17
nprobe=64,quantizer_efSearch=16          0.3680 0.8060 0.9246      0.02027     1064263082    15
nprobe=64,quantizer_efSearch=32          0.3728 0.8211 0.9417      0.02453     1062531628    13
nprobe=128,quantizer_efSearch=32         0.3783 0.8348 0.9645      0.03078     2094473566    11
nprobe=128,quantizer_efSearch=64         0.3808 0.8408 0.9723      0.04117     2090983077    8
nprobe=256,quantizer_efSearch=64         0.3824 0.8473 0.9839      0.06388     4111528074    5
nprobe=256,quantizer_efSearch=128        0.3833 0.8494 0.9864      0.07382     4105629770    5
`OPQ64_128,IVF65536_HNSW32,PQ64x4fsr`
Index size 4084928204code_size 32
log filename: autotune.dbbigann100M.OPQ64_128_IVF65536_HNSW32_PQ64x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.4909 0.7175 0.7231      0.02415      136286205    13
nprobe=1,quantizer_efSearch=4            0.2165 0.2769 0.2777      0.00285       17130502    106
nprobe=1,quantizer_efSearch=16           0.2378 0.3030 0.3038      0.00467       17085401    65
nprobe=2,quantizer_efSearch=16           0.3253 0.4375 0.4393      0.00593       34211996    51
nprobe=2,quantizer_efSearch=32           0.3256 0.4381 0.4399      0.00781       34180544    39
nprobe=4,quantizer_efSearch=16           0.4116 0.5738 0.5772      0.00786       68308617    39
nprobe=4,quantizer_efSearch=32           0.4132 0.5759 0.5793      0.01008       68255248    30
nprobe=8,quantizer_efSearch=16           0.4874 0.7124 0.7180      0.01142      136473824    27
nprobe=8,quantizer_efSearch=32           0.4900 0.7164 0.7220      0.01342      136317939    23
nprobe=8,quantizer_efSearch=64           0.4907 0.7173 0.7229      0.01773      136294686    17
nprobe=8,quantizer_efSearch=128          0.4909 0.7175 0.7231      0.02445      136286205    13
nprobe=16,quantizer_efSearch=128         0.5443 0.8205 0.8287      0.03384      270907736    9
nprobe=32,quantizer_efSearch=128         0.5746 0.8923 0.9040      0.05180      536918951    6
nprobe=64,quantizer_efSearch=16          0.5805 0.9181 0.9313      0.08340     1064273324    4
nprobe=64,quantizer_efSearch=128         0.5907 0.9406 0.9544      0.09128     1061305942    4
nprobe=64,quantizer_efSearch=256         0.5908 0.9406 0.9544      0.10073     1061233979    3
nprobe=64,quantizer_efSearch=512         0.5910 0.9408 0.9546      0.12962     1061202940    3
nprobe=128,quantizer_efSearch=128        0.6016 0.9664 0.9809      0.15506     2089652875    2
nprobe=128,quantizer_efSearch=512        0.6018 0.9665 0.9810      0.19004     2089285338    2
nprobe=256,quantizer_efSearch=256        0.6033 0.9768 0.9937      0.28334     4103755098    2
nprobe=256,quantizer_efSearch=512        0.6034 0.9770 0.9939      0.30802     4103311577    1
nprobe=512,quantizer_efSearch=256        0.6040 0.9822 0.9983      0.48833     8050929211    1
nprobe=512,quantizer_efSearch=512        0.6046 0.9827 0.9986      0.50989     8048434784    1
nprobe=1024,quantizer_efSearch=256       0.6056 0.9814 0.9993      0.90315    15779234459    1
`PCAR32,IVF1048576_HNSW32,SQ8`
Index size 4428051797code_size 32
log filename: autotune.dbbigann100M.PCAR32_IVF1048576_HNSW32_SQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2649 0.7004 0.9200      0.09327      272916195    4
nprobe=1,quantizer_efSearch=4            0.0937 0.1415 0.1425      0.00242        1143035    125
nprobe=2,quantizer_efSearch=4            0.1254 0.2120 0.2169      0.00251        2285354    120
nprobe=4,quantizer_efSearch=4            0.1507 0.2855 0.2972      0.00263        4563887    114
nprobe=4,quantizer_efSearch=8            0.1676 0.3199 0.3332      0.00320        4565677    94
nprobe=8,quantizer_efSearch=4            0.1858 0.3964 0.4286      0.00330        9101963    92
nprobe=8,quantizer_efSearch=8            0.1908 0.4074 0.4417      0.00377        9098599    80
nprobe=8,quantizer_efSearch=16           0.1970 0.4234 0.4592      0.00468        9070570    65
nprobe=16,quantizer_efSearch=4           0.2053 0.4679 0.5227      0.00466       18121058    65
nprobe=16,quantizer_efSearch=8           0.2177 0.4996 0.5636      0.00532       18109402    57
nprobe=16,quantizer_efSearch=16          0.2213 0.5094 0.5767      0.00655       18065970    46
nprobe=32,quantizer_efSearch=8           0.2288 0.5506 0.6481      0.00721       35896095    42
nprobe=32,quantizer_efSearch=16          0.2370 0.5764 0.6837      0.00797       35821817    38
nprobe=32,quantizer_efSearch=32          0.2399 0.5856 0.6958      0.00961       35739627    32
nprobe=64,quantizer_efSearch=16          0.2463 0.6207 0.7616      0.01239       70942985    25
nprobe=64,quantizer_efSearch=32          0.2510 0.6362 0.7861      0.01408       70727351    22
nprobe=64,quantizer_efSearch=64          0.2526 0.6421 0.7950      0.01767       70553936    17
nprobe=64,quantizer_efSearch=128         0.2535 0.6445 0.7980      0.02531       70470526    12
nprobe=128,quantizer_efSearch=64         0.2601 0.6760 0.8682      0.02528      139229561    12
nprobe=128,quantizer_efSearch=128        0.2613 0.6798 0.8728      0.03303      138951593    10
nprobe=256,quantizer_efSearch=64         0.2626 0.6927 0.9069      0.03795      274401806    8
nprobe=256,quantizer_efSearch=128        0.2644 0.6984 0.9168      0.04701      273488157    7
nprobe=256,quantizer_efSearch=256        0.2649 0.7002 0.9196      0.06133      273056523    5
nprobe=512,quantizer_efSearch=128        0.2658 0.7080 0.9436      0.08523      537810734    4
nprobe=512,quantizer_efSearch=256        0.2665 0.7102 0.9493      0.11221      536125106    3
nprobe=1024,quantizer_efSearch=256       0.2668 0.7139 0.9620      0.19393     1052235347    2
`PCAR32,IVF1048576(IVF1024,PQ16x4fs,RFlat),SQ8`
Index size 4159747225code_size 32
log filename: autotune.dbbigann100M.PCAR32_IVF1048576_IVF1024_PQ16x4fs_RFlat__SQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.1060 0.1804 0.1837      0.00237        3041426    127
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.0912 0.1372 0.1381      0.00231        2591956    130
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=1      0.1042 0.1699 0.1732      0.00240        2681602    126
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1060 0.1804 0.1837      0.00239        3040878    126
nprobe=2,quantizer_k_factor_rf=16,quantizer_nprobe=2     0.1193 0.2002 0.2048      0.00246        3029881    123
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1406 0.2572 0.2679      0.00261        5342260    116
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=2      0.1466 0.2737 0.2846      0.00261        5325263    116
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=2     0.1506 0.2817 0.2932      0.00276        5317570    109
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4     0.1652 0.3105 0.3233      0.00292        6020884    103
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1657 0.3318 0.3540      0.00320        9928342    94
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.1710 0.3352 0.3562      0.00312       10641473    97
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.1873 0.3890 0.4198      0.00335       11982517    90
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.1889 0.3880 0.4180      0.00353       10604033    86
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=8     0.1947 0.4158 0.4503      0.00415       11941798    73
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1955 0.4182 0.4611      0.00465       19761988    65
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.2053 0.4494 0.5033      0.00486       19719350    62
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.2097 0.4596 0.5180      0.00542       19674885    56
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.2168 0.4934 0.5557      0.00550       23736122    55
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.2178 0.4960 0.5601      0.00563       21005464    54
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.2240 0.5089 0.5764      0.00608       23677982    50
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=16   0.2251 0.5135 0.5824      0.00704       23640011    43
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.2256 0.5177 0.5868      0.00790       28875393    38
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.2373 0.5713 0.6720      0.00870       41577766    35
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.2382 0.5743 0.6763      0.00950       46756314    32
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.2407 0.5823 0.6893      0.01231       41475393    25
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.2415 0.5862 0.6948      0.01123       46685522    27
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.2418 0.5872 0.6964      0.01197       57043151    26
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.2452 0.6029 0.7309      0.01367       77125636    22
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.2458 0.6075 0.7382      0.01441       82234018    21
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.2525 0.6341 0.7820      0.01547       81875369    20
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.2546 0.6435 0.7959      0.02125       91957657    15
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.2612 0.6746 0.8631      0.02765      150838985    11
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=128  0.2617 0.6805 0.8718      0.03554      181012220    9
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=32  0.2619 0.6784 0.8697      0.03691      150225906    9
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.2624 0.6896 0.8968      0.04739      297595944    7
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.2629 0.6892 0.8965      0.04818      317861125    7
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.2630 0.6956 0.9086      0.04875      285988369    7
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.2635 0.6990 0.9133      0.05224      316143234    6
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=32   0.2638 0.6979 0.9120      0.05500      285296299    6
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=256  0.2641 0.7012 0.9174      0.06283      355920858    5
nprobe=256,quantizer_k_factor_rf=16,quantizer_nprobe=128 0.2646 0.7021 0.9192      0.08520      315212079    4
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.2655 0.7107 0.9467      0.09588      579476566    4
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=512  0.2659 0.7111 0.9494      0.12301      700021533    3
nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=128 0.2662 0.7150 0.9625      0.17555     1093640155    2
`PCAR32,IVF262144_HNSW32,SQ8`
Index size 4107078229code_size 32
log filename: autotune.dbbigann100M.PCAR32_IVF262144_HNSW32_SQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2641 0.7110 0.9526      0.15939     1048170673    2
nprobe=1,quantizer_efSearch=4            0.1153 0.1954 0.2006      0.00231        4336032    130
nprobe=2,quantizer_efSearch=4            0.1479 0.2773 0.2910      0.00231        8673410    131
nprobe=2,quantizer_efSearch=8            0.1607 0.3037 0.3197      0.00263        8653570    114
nprobe=2,quantizer_efSearch=16           0.1626 0.3078 0.3241      0.00303        8637757    99
nprobe=4,quantizer_efSearch=4            0.1743 0.3587 0.3907      0.00329       17346054    92
nprobe=4,quantizer_efSearch=8            0.1928 0.4029 0.4389      0.00355       17327439    85
nprobe=4,quantizer_efSearch=16           0.1959 0.4095 0.4463      0.00399       17295895    76
nprobe=8,quantizer_efSearch=4            0.2120 0.4801 0.5452      0.00535       34610545    57
nprobe=8,quantizer_efSearch=8            0.2167 0.4949 0.5613      0.00550       34575923    55
nprobe=8,quantizer_efSearch=32           0.2216 0.5122 0.5813      0.00672       34494087    45
nprobe=8,quantizer_efSearch=64           0.2228 0.5136 0.5832      0.00828       34483585    37
nprobe=16,quantizer_efSearch=4           0.2262 0.5408 0.6384      0.00918       68997574    33
nprobe=16,quantizer_efSearch=8           0.2339 0.5701 0.6762      0.00933       68932443    33
nprobe=16,quantizer_efSearch=16          0.2372 0.5825 0.6923      0.00971       68855501    31
nprobe=16,quantizer_efSearch=32          0.2388 0.5876 0.7004      0.01068       68768259    29
nprobe=16,quantizer_efSearch=128         0.2399 0.5898 0.7023      0.01529       68730954    20
nprobe=32,quantizer_efSearch=8           0.2421 0.6167 0.7586      0.01694      136946468    18
nprobe=32,quantizer_efSearch=16          0.2478 0.6369 0.7885      0.01685      136734945    18
nprobe=32,quantizer_efSearch=32          0.2510 0.6446 0.8006      0.01770      136528588    17
nprobe=32,quantizer_efSearch=128         0.2523 0.6486 0.8065      0.02247      136393110    14
nprobe=64,quantizer_efSearch=32          0.2570 0.6761 0.8699      0.03185      270342491    10
nprobe=64,quantizer_efSearch=64          0.2584 0.6807 0.8765      0.03300      270058609    10
nprobe=64,quantizer_efSearch=128         0.2588 0.6820 0.8780      0.03614      269930685    9
nprobe=128,quantizer_efSearch=32         0.2600 0.6927 0.9123      0.06057      534279231    5
nprobe=128,quantizer_efSearch=64         0.2614 0.6991 0.9235      0.06009      533167059    5
nprobe=128,quantizer_efSearch=128        0.2619 0.6999 0.9267      0.06280      532657443    5
nprobe=256,quantizer_efSearch=64         0.2630 0.7068 0.9451      0.10889     1051104571    3
nprobe=256,quantizer_efSearch=128        0.2640 0.7102 0.9514      0.11235     1049000001    3
nprobe=256,quantizer_efSearch=256        0.2641 0.7112 0.9527      0.11897     1048314856    3
nprobe=512,quantizer_efSearch=128        0.2647 0.7131 0.9628      0.21404     2063233786    2
nprobe=512,quantizer_efSearch=256        0.2650 0.7143 0.9654      0.24063     2059895443    2
`PCAR32,IVF262144(IVF512,PQ16x4fs,RFlat),SQ8`
Index size 4040067993code_size 32
log filename: autotune.dbbigann100M.PCAR32_IVF262144_IVF512_PQ16x4fs_RFlat__SQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                        0.2233 0.5386 0.6305      0.00925       71213533    33
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.0768 0.1250 0.1288      0.00251        5093594    120
nprobe=1,quantizer_k_factor_rf=32,quantizer_nprobe=8    0.1238 0.2101 0.2159      0.00260        5731373    116
nprobe=2,quantizer_k_factor_rf=16,quantizer_nprobe=8    0.1639 0.3089 0.3233      0.00275       10080964    110
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=2     0.1702 0.3452 0.3746      0.00362       17896426    83
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4    0.1881 0.3874 0.4217      0.00371       18139904    82
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.1884 0.3920 0.4248      0.00383       20171434    79
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.1965 0.4095 0.4444      0.00404       20118538    75
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=32   0.1970 0.4130 0.4498      0.00520       22657685    58
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=64   0.1972 0.4121 0.4489      0.00572       27841473    53
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.2061 0.4544 0.5098      0.00554       36420633    55
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=4    0.2109 0.4680 0.5300      0.00589       35519937    51
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.2211 0.5052 0.5749      0.00609       37419167    50
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.2231 0.5108 0.5814      0.00712       39937568    43
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.2233 0.5386 0.6305      0.00969       71213434    31
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=4    0.2241 0.5290 0.6202      0.00957       70202835    32
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.2268 0.5529 0.6484      0.00961       72379203    32
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.2345 0.5743 0.6811      0.00979       72045783    31
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16   0.2376 0.5833 0.6943      0.01032       71849484    30
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=128  0.2390 0.5873 0.6985      0.01262       89737795    24
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=64  0.2393 0.5895 0.7014      0.01212       79443430    25
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8    0.2442 0.6180 0.7591      0.01682      139291929    18
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.2446 0.6191 0.7595      0.01748      143342515    18
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.2518 0.6435 0.7966      0.01841      147723360    17
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64   0.2524 0.6491 0.8061      0.01943      147353952    16
nprobe=32,quantizer_k_factor_rf=16,quantizer_nprobe=64  0.2526 0.6486 0.8058      0.02041      147226233    15
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.2557 0.6688 0.8486      0.03160      278350490    10
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.2572 0.6800 0.8721      0.03223      276825921    10
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.2582 0.6815 0.8743      0.03314      281790539    10
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64  0.2599 0.6964 0.9135      0.06012      548260547    5
nprobe=128,quantizer_k_factor_rf=32,quantizer_nprobe=64 0.2601 0.7013 0.9277      0.07562      544163128    4
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32  0.2607 0.7038 0.9422      0.11261     1064820087    3
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=128 0.2608 0.6983 0.9202      0.11391     1100330239    3
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32  0.2615 0.7070 0.9470      0.11004     1058980250    3
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.2622 0.7106 0.9529      0.11148     1062451239    3
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=64  0.2626 0.7110 0.9537      0.11716     1061067488    3
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.2628 0.7130 0.9631      0.20779     2094433790    2
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.2638 0.7143 0.9658      0.21122     2075383306    2
`PCAR32,IVF65536_HNSW32,SQ8`
Index size 4026834005code_size 32
log filename: autotune.dbbigann100M.PCAR32_IVF65536_HNSW32_SQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1413 0.2691 0.2861      0.00517       17188886    59
nprobe=1,quantizer_efSearch=8            0.1400 0.2667 0.2836      0.00332       17210907    91
nprobe=1,quantizer_efSearch=16           0.1403 0.2678 0.2848      0.00357       17198757    84
nprobe=1,quantizer_efSearch=32           0.1412 0.2688 0.2858      0.00408       17189080    74
nprobe=1,quantizer_efSearch=64           0.1413 0.2691 0.2861      0.00509       17188886    59
nprobe=2,quantizer_efSearch=4            0.1699 0.3539 0.3888      0.00522       34562250    58
nprobe=2,quantizer_efSearch=8            0.1780 0.3745 0.4117      0.00536       34456633    56
nprobe=2,quantizer_efSearch=16           0.1787 0.3777 0.4148      0.00565       34404205    54
nprobe=2,quantizer_efSearch=32           0.1793 0.3788 0.4160      0.00612       34382769    50
nprobe=2,quantizer_efSearch=64           0.1794 0.3793 0.4163      0.00713       34381537    43
nprobe=4,quantizer_efSearch=4            0.1989 0.4451 0.5090      0.00917       69044012    33
nprobe=4,quantizer_efSearch=8            0.2091 0.4746 0.5455      0.00933       68971079    33
nprobe=4,quantizer_efSearch=16           0.2104 0.4799 0.5520      0.00972       68854339    31
nprobe=4,quantizer_efSearch=32           0.2113 0.4826 0.5545      0.01010       68809675    30
nprobe=4,quantizer_efSearch=64           0.2114 0.4830 0.5550      0.01125       68799763    27
nprobe=4,quantizer_efSearch=128          0.2115 0.4831 0.5551      0.01333       68794649    23
nprobe=8,quantizer_efSearch=4            0.2270 0.5520 0.6580      0.01697      137359031    18
nprobe=8,quantizer_efSearch=8            0.2320 0.5630 0.6728      0.01703      137214758    18
nprobe=8,quantizer_efSearch=16           0.2348 0.5722 0.6849      0.01735      137040842    18
nprobe=8,quantizer_efSearch=32           0.2356 0.5753 0.6884      0.01761      136934053    18
nprobe=8,quantizer_efSearch=128          0.2357 0.5763 0.6892      0.02095      136899282    15
nprobe=16,quantizer_efSearch=8           0.2461 0.6254 0.7795      0.03220      272072543    10
nprobe=16,quantizer_efSearch=32          0.2515 0.6428 0.8007      0.03271      271580640    10
nprobe=32,quantizer_efSearch=8           0.2519 0.6555 0.8431      0.05951      538452980    6
nprobe=32,quantizer_efSearch=16          0.2570 0.6725 0.8668      0.05932      537741969    6
nprobe=32,quantizer_efSearch=32          0.2583 0.6782 0.8749      0.05979      537085730    6
nprobe=32,quantizer_efSearch=64          0.2587 0.6801 0.8774      0.06086      536853265    5
nprobe=32,quantizer_efSearch=128         0.2588 0.6804 0.8777      0.06297      536775390    5
nprobe=32,quantizer_efSearch=256         0.2589 0.6805 0.8778      0.06960      536758138    5
nprobe=64,quantizer_efSearch=16          0.2597 0.6880 0.9082      0.10871     1061471559    3
nprobe=64,quantizer_efSearch=32          0.2621 0.6964 0.9216      0.11393     1059845812    3
nprobe=64,quantizer_efSearch=64          0.2623 0.6987 0.9259      0.11063     1059035472    3
nprobe=64,quantizer_efSearch=128         0.2625 0.6995 0.9273      0.11751     1058697405    3
nprobe=64,quantizer_efSearch=256         0.2626 0.6996 0.9275      0.11964     1058651879    3
nprobe=128,quantizer_efSearch=32         0.2642 0.7047 0.9446      0.20615     2086758933    2
nprobe=128,quantizer_efSearch=128        0.2646 0.7082 0.9527      0.20850     2081951644    2
nprobe=128,quantizer_efSearch=256        0.2647 0.7083 0.9530      0.21240     2081665366    2
nprobe=256,quantizer_efSearch=64         0.2650 0.7118 0.9645      0.39664     4088892181    1
nprobe=256,quantizer_efSearch=128        0.2653 0.7127 0.9669      0.39592     4082607655    1
nprobe=256,quantizer_efSearch=256        0.2654 0.7130 0.9674      0.40327     4080896170    1
nprobe=512,quantizer_efSearch=256        0.2655 0.7136 0.9703      0.76836     7990939016    1
`PCAR64,IVF1048576_HNSW32,SQ4`
Index size 4562286293code_size 32
log filename: autotune.dbbigann100M.PCAR64_IVF1048576_HNSW32_SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.5101 0.9200 0.9483      0.13263      277576090    3
nprobe=1,quantizer_efSearch=4            0.1249 0.1548 0.1549      0.00279        1156280    108
nprobe=4,quantizer_efSearch=4            0.2281 0.3145 0.3165      0.00306        4628873    98
nprobe=8,quantizer_efSearch=4            0.3059 0.4503 0.4545      0.00444        9243990    68
nprobe=8,quantizer_efSearch=8            0.3150 0.4654 0.4698      0.00478        9233588    63
nprobe=8,quantizer_efSearch=16           0.3279 0.4881 0.4929      0.00630        9190876    48
nprobe=16,quantizer_efSearch=4           0.3503 0.5379 0.5448      0.00643       18394125    47
nprobe=16,quantizer_efSearch=8           0.3730 0.5805 0.5883      0.00691       18371137    44
nprobe=16,quantizer_efSearch=16          0.3844 0.5989 0.6069      0.00803       18330853    38
nprobe=32,quantizer_efSearch=8           0.4056 0.6586 0.6707      0.01037       36503933    29
nprobe=32,quantizer_efSearch=32          0.4305 0.7109 0.7239      0.01454       36276861    21
nprobe=32,quantizer_efSearch=64          0.4344 0.7193 0.7323      0.01894       36188814    16
nprobe=64,quantizer_efSearch=16          0.4489 0.7614 0.7791      0.01946       72167021    16
nprobe=64,quantizer_efSearch=32          0.4616 0.7913 0.8093      0.02081       71881533    15
nprobe=64,quantizer_efSearch=64          0.4683 0.8038 0.8220      0.02457       71659428    13
nprobe=64,quantizer_efSearch=128         0.4701 0.8073 0.8257      0.03424       71539207    9
nprobe=128,quantizer_efSearch=32         0.4811 0.8438 0.8659      0.03883      142201262    8
nprobe=128,quantizer_efSearch=64         0.4933 0.8682 0.8912      0.04338      141598351    7
nprobe=128,quantizer_efSearch=128        0.4958 0.8751 0.8983      0.04630      141224577    7
nprobe=256,quantizer_efSearch=64         0.5037 0.9021 0.9297      0.06586      279481148    5
nprobe=256,quantizer_efSearch=128        0.5078 0.9153 0.9437      0.07849      278360795    4
nprobe=256,quantizer_efSearch=256        0.5099 0.9193 0.9478      0.09536      277773451    4
nprobe=256,quantizer_efSearch=512        0.5101 0.9200 0.9483      0.13387      277576090    3
nprobe=512,quantizer_efSearch=128        0.5142 0.9358 0.9665      0.13524      548055846    3
nprobe=512,quantizer_efSearch=256        0.5170 0.9415 0.9727      0.15886      546053110    2
nprobe=512,quantizer_efSearch=512        0.5172 0.9423 0.9735      0.17274      545138920    2
nprobe=1024,quantizer_efSearch=256       0.5195 0.9529 0.9868      0.25122     1072655536    2
nprobe=1024,quantizer_efSearch=512       0.5199 0.9544 0.9885      0.30456     1069050808    1
nprobe=2048,quantizer_efSearch=256       0.5202 0.9558 0.9910      0.44787     2087251067    1
nprobe=2048,quantizer_efSearch=512       0.5205 0.9590 0.9944      0.53365     2094987125    1
nprobe=4096,quantizer_efSearch=512       0.5206 0.9599 0.9963      0.88013     4041544213    1
`PCAR64,IVF1048576(IVF1024,PQ32x4fs,RFlat),SQ4`
Index size 4302621977code_size 32
log filename: autotune.dbbigann100M.PCAR64_IVF1048576_IVF1024_PQ32x4fs_RFlat__SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                          0.2642 0.3658 0.3675      0.00387       10808158    78
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=2       0.1249 0.1535 0.1540      0.00239        1891035    126
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1       0.1384 0.1751 0.1759      0.00249        2702417    121
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2       0.1408 0.1792 0.1797      0.00244        3077039    123
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=1       0.1475 0.1887 0.1896      0.00249        2697001    121
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2       0.1704 0.2203 0.2211      0.00257        3060780    117
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=1       0.1771 0.2335 0.2348      0.00268        5040683    112
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=2       0.1920 0.2536 0.2546      0.00264        5422047    114
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2       0.2135 0.2873 0.2886      0.00273        5404955    111
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2       0.2254 0.3061 0.3079      0.00281        5393070    107
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4       0.2324 0.3139 0.3152      0.00285        6109896    106
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4       0.2461 0.3356 0.3373      0.00296        6094539    102
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8       0.2474 0.3325 0.3339      0.00315        7484416    96
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4      0.2509 0.3427 0.3447      0.00345        6080202    87
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=8      0.2685 0.3660 0.3680      0.00381        7450176    79
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=2       0.2688 0.3858 0.3893      0.00398       10031098    76
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4       0.2930 0.4183 0.4212      0.00399       10755393    76
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8       0.3263 0.4742 0.4780      0.00453       12076435    67
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=8      0.3320 0.4828 0.4867      0.00543       12045387    56
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.3424 0.5168 0.5224      0.00616       19965355    49
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.3538 0.5345 0.5404      0.00647       19911941    47
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.3547 0.5374 0.5432      0.00717       19890484    42
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.3781 0.5789 0.5853      0.00716       23949626    42
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8      0.3860 0.5905 0.5974      0.00755       21217065    40
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.3908 0.6013 0.6083      0.00781       23905966    39
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16     0.3950 0.6097 0.6167      0.00810       23886235    38
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=32     0.3968 0.6129 0.6197      0.00952       29155443    32
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=32    0.3978 0.6145 0.6216      0.01100       29142978    28
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.4173 0.6621 0.6716      0.01092       39499638    28
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.4367 0.7096 0.7210      0.01205       41986885    25
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16     0.4371 0.7117 0.7233      0.01346       41943419    23
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.4419 0.7182 0.7296      0.01352       47200753    23
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32     0.4422 0.7206 0.7324      0.01446       47134909    21
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64     0.4429 0.7221 0.7339      0.01659       57491949    19
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16     0.4455 0.7263 0.7378      0.01867       78714307    17
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.4648 0.7792 0.7938      0.01953       77864729    16
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32     0.4714 0.7900 0.8052      0.02054       82958851    15
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.4765 0.8036 0.8194      0.02181       82738588    14
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64     0.4791 0.8110 0.8268      0.02687       92939700    12
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=64    0.4798 0.8116 0.8274      0.03374       92778042    9
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.5001 0.8713 0.8916      0.03972      152721686    8
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.5022 0.8777 0.8983      0.04003      162816398    8
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=128   0.5042 0.8804 0.9012      0.04352      182886085    7
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=64   0.5043 0.8799 0.9008      0.05071      162436259    6
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=256   0.5045 0.8806 0.9014      0.05402      223186957    6
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.5100 0.9024 0.9266      0.06810      291101102    5
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128   0.5128 0.9130 0.9378      0.06681      321038637    5
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.5132 0.9124 0.9372      0.06791      300849157    5
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.5148 0.9106 0.9358      0.06900      290203845    5
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.5151 0.9107 0.9361      0.07078      290025971    5
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=256   0.5178 0.9209 0.9463      0.07971      360521251    4
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=256   0.5189 0.9228 0.9483      0.08998      360334007    4
nprobe=256,quantizer_k_factor_rf=16,quantizer_nprobe=256  0.5190 0.9229 0.9484      0.11161      360306003    3
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.5202 0.9281 0.9556      0.11378      561493068    3
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=128   0.5248 0.9449 0.9743      0.13995      587932930    3
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=256   0.5250 0.9451 0.9745      0.14223      628286064    3
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=512  0.5271 0.9570 0.9886      0.24953     1235989847    2
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=256  0.5272 0.9571 0.9887      0.23034     1154782054    2
nprobe=1024,quantizer_k_factor_rf=8,quantizer_nprobe=512  0.5274 0.9583 0.9903      0.31400     1232389934    2
nprobe=1024,quantizer_k_factor_rf=16,quantizer_nprobe=256 0.5275 0.9584 0.9904      0.38383     1151168270    1
nprobe=2048,quantizer_k_factor_rf=4,quantizer_nprobe=512  0.5280 0.9634 0.9966      0.53414     2252926682    1
nprobe=4096,quantizer_k_factor_rf=4,quantizer_nprobe=256  0.5282 0.9651 0.9993      0.91034     4161036976    1
`PCAR64,IVF262144_HNSW32,SQ4`
Index size 4140649429code_size 32
log filename: autotune.dbbigann100M.PCAR64_IVF262144_HNSW32_SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.5140 0.9438 0.9802      0.21215     1055167055    2
nprobe=2,quantizer_efSearch=4            0.2253 0.3138 0.3166      0.00293        8685970    103
nprobe=2,quantizer_efSearch=8            0.2441 0.3390 0.3419      0.00339        8651362    89
nprobe=2,quantizer_efSearch=16           0.2501 0.3468 0.3498      0.00422        8626619    72
nprobe=4,quantizer_efSearch=4            0.2828 0.4158 0.4213      0.00427       17364849    71
nprobe=4,quantizer_efSearch=8            0.3116 0.4591 0.4650      0.00468       17326363    65
nprobe=4,quantizer_efSearch=16           0.3224 0.4753 0.4815      0.00572       17286460    53
nprobe=4,quantizer_efSearch=32           0.3245 0.4775 0.4838      0.00734       17265389    41
nprobe=8,quantizer_efSearch=8            0.3717 0.5804 0.5900      0.00745       34578135    41
nprobe=8,quantizer_efSearch=16           0.3844 0.6046 0.6145      0.00823       34497206    37
nprobe=8,quantizer_efSearch=32           0.3888 0.6108 0.6207      0.00954       34445089    32
nprobe=8,quantizer_efSearch=64           0.3898 0.6125 0.6224      0.01268       34428460    24
nprobe=16,quantizer_efSearch=4           0.3990 0.6510 0.6640      0.01292       69136506    24
nprobe=16,quantizer_efSearch=8           0.4203 0.6900 0.7047      0.01306       69047592    23
nprobe=16,quantizer_efSearch=16          0.4313 0.7110 0.7263      0.01424       68941601    22
nprobe=16,quantizer_efSearch=64          0.4372 0.7221 0.7378      0.01816       68791489    17
nprobe=32,quantizer_efSearch=8           0.4449 0.7610 0.7794      0.02392      137383408    13
nprobe=32,quantizer_efSearch=128         0.4714 0.8160 0.8363      0.03430      136732349    9
nprobe=32,quantizer_efSearch=256         0.4717 0.8165 0.8368      0.04616      136727854    7
nprobe=64,quantizer_efSearch=16          0.4838 0.8525 0.8761      0.04643      272086053    7
nprobe=64,quantizer_efSearch=32          0.4912 0.8735 0.8984      0.04625      271491902    7
nprobe=64,quantizer_efSearch=128         0.4941 0.8811 0.9067      0.05385      270948622    6
nprobe=64,quantizer_efSearch=256         0.4946 0.8818 0.9074      0.06599      270924696    5
nprobe=128,quantizer_efSearch=32         0.5015 0.9061 0.9363      0.09019      537239378    4
nprobe=128,quantizer_efSearch=64         0.5053 0.9164 0.9484      0.09035      536097677    4
nprobe=128,quantizer_efSearch=128        0.5065 0.9198 0.9520      0.09474      535524185    4
nprobe=128,quantizer_efSearch=256        0.5069 0.9207 0.9529      0.10498      535369794    3
nprobe=256,quantizer_efSearch=64         0.5108 0.9358 0.9719      0.16959     1058216705    2
nprobe=256,quantizer_efSearch=128        0.5130 0.9423 0.9786      0.17424     1056102624    2
nprobe=256,quantizer_efSearch=256        0.5137 0.9435 0.9799      0.18501     1055352372    2
nprobe=256,quantizer_efSearch=512        0.5140 0.9438 0.9802      0.20925     1055167055    2
nprobe=512,quantizer_efSearch=256        0.5155 0.9534 0.9917      0.33883     2075882336    1
nprobe=1024,quantizer_efSearch=128       0.5159 0.9545 0.9934      0.61912     4058301046    1
nprobe=1024,quantizer_efSearch=256       0.5164 0.9569 0.9964      0.63580     4076677838    1
nprobe=2048,quantizer_efSearch=256       0.5167 0.9577 0.9976      1.21520     7887001494    1
`PCAR64,IVF262144(IVF512,PQ32x4fs,RFlat),SQ4`
Index size 4075871001code_size 32
log filename: autotune.dbbigann100M.PCAR64_IVF262144_IVF512_PQ32x4fs_RFlat__SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.4179 0.6786 0.6916      0.01234       70929568    25
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.1367 0.1732 0.1739      0.00265        5065388    114
nprobe=1,quantizer_k_factor_rf=32,quantizer_nprobe=8     0.1800 0.2322 0.2335      0.00284        5695774    106
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=2      0.2144 0.2984 0.3009      0.00310        9078740    97
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2227 0.3048 0.3075      0.00306        9433206    99
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.2304 0.3157 0.3185      0.00315       10087578    96
nprobe=2,quantizer_k_factor_rf=32,quantizer_nprobe=4     0.2392 0.3310 0.3336      0.00336        9379349    90
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=16     0.2511 0.3456 0.3482      0.00368       11359223    82
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=32     0.2530 0.3469 0.3494      0.00437       13973769    69
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2943 0.4270 0.4320      0.00459       18174522    66
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4     0.3035 0.4453 0.4509      0.00474       18109285    64
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.3092 0.4510 0.4558      0.00493       20103507    61
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=16     0.3226 0.4744 0.4799      0.00524       20031122    58
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.3247 0.4742 0.4795      0.00565       22669862    54
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=32    0.3253 0.4786 0.4844      0.00667       22635463    45
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.3586 0.5510 0.5593      0.00738       35532774    41
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.3694 0.5717 0.5799      0.00743       36215345    41
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.3851 0.6021 0.6112      0.00788       37318252    39
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.3880 0.6059 0.6149      0.00825       39903728    37
nprobe=8,quantizer_k_factor_rf=32,quantizer_nprobe=64    0.3899 0.6126 0.6222      0.01166       44986017    26
nprobe=8,quantizer_k_factor_rf=64,quantizer_nprobe=32    0.3901 0.6125 0.6221      0.01184       39837094    26
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.4179 0.6786 0.6916      0.01694       70929568    18
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.4351 0.7121 0.7267      0.01309       71858672    23
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.4361 0.7153 0.7302      0.01396       71766797    22
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.4384 0.7184 0.7332      0.01399       74358046    22
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=64   0.4393 0.7232 0.7385      0.01695       79393085    18
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.4713 0.8034 0.8233      0.02357      142898668    13
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.4716 0.8046 0.8245      0.02421      147899522    13
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.4756 0.8147 0.8358      0.02455      142394989    13
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.4760 0.8160 0.8372      0.02631      147464627    12
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.4933 0.8675 0.8936      0.04363      278005151    7
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.4958 0.8761 0.9030      0.04231      277178792    8
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.4968 0.8791 0.9065      0.04375      282021379    7
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.4991 0.8917 0.9227      0.08159      543313615    4
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.4994 0.8887 0.9183      0.07885      557551000    4
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.5087 0.9155 0.9484      0.07767      548487113    4
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.5095 0.9189 0.9522      0.09736      546990417    4
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=64  0.5098 0.9197 0.9531      0.09337      546756193    4
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.5155 0.9343 0.9707      0.14917     1067733537    3
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=256  0.5175 0.9400 0.9769      0.15643     1100391887    2
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=64   0.5188 0.9434 0.9805      0.15848     1067608140    2
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.5190 0.9434 0.9807      0.15115     1077351975    2
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=256  0.5219 0.9540 0.9931      0.31967     2117447586    1
nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=64  0.5223 0.9544 0.9936      0.55899     4188977330    1
nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.5229 0.9567 0.9965      0.57241     4091535477    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=64  0.5230 0.9568 0.9967      0.54802     4097716219    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.5234 0.9579 0.9979      0.55434     4101263119    1
nprobe=2048,quantizer_k_factor_rf=4,quantizer_nprobe=256 0.5235 0.9591 0.9996      1.12617     8017184495    1
`PCAR64,IVF65536_HNSW32,SQ4`
Index size 4035239381code_size 32
log filename: autotune.dbbigann100M.PCAR64_IVF65536_HNSW32_SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2158 0.3016 0.3044      0.00682       17089216    45
nprobe=1,quantizer_efSearch=16           0.2148 0.3004 0.3032      0.00494       17099843    62
nprobe=1,quantizer_efSearch=32           0.2155 0.3014 0.3042      0.00539       17091118    56
nprobe=2,quantizer_efSearch=4            0.2662 0.3951 0.4012      0.00726       34404446    42
nprobe=2,quantizer_efSearch=8            0.2868 0.4261 0.4324      0.00705       34302856    43
nprobe=2,quantizer_efSearch=16           0.2891 0.4311 0.4375      0.00744       34252475    41
nprobe=2,quantizer_efSearch=64           0.2893 0.4317 0.4380      0.00939       34223244    32
nprobe=4,quantizer_efSearch=4            0.3247 0.5090 0.5186      0.01229       68776953    25
nprobe=4,quantizer_efSearch=8            0.3482 0.5529 0.5634      0.01242       68646595    25
nprobe=4,quantizer_efSearch=16           0.3537 0.5642 0.5748      0.01291       68550443    24
nprobe=4,quantizer_efSearch=64           0.3539 0.5662 0.5768      0.01504       68479035    20
nprobe=4,quantizer_efSearch=128          0.3540 0.5663 0.5769      0.01761       68475258    18
nprobe=8,quantizer_efSearch=4            0.3967 0.6622 0.6780      0.02383      137118694    13
nprobe=8,quantizer_efSearch=8            0.4013 0.6753 0.6921      0.02300      137034929    14
nprobe=8,quantizer_efSearch=64           0.4140 0.7005 0.7180      0.02542      136708694    12
nprobe=8,quantizer_efSearch=128          0.4141 0.7006 0.7181      0.02795      136695371    11
nprobe=16,quantizer_efSearch=16          0.4529 0.7933 0.8163      0.04518      272002657    7
nprobe=16,quantizer_efSearch=32          0.4560 0.8005 0.8237      0.04443      271724752    7
nprobe=16,quantizer_efSearch=64          0.4572 0.8018 0.8250      0.04563      271616199    7
nprobe=32,quantizer_efSearch=16          0.4779 0.8613 0.8906      0.08469      539117825    4
nprobe=32,quantizer_efSearch=128         0.4829 0.8730 0.9032      0.08872      538085551    4
nprobe=64,quantizer_efSearch=16          0.4888 0.9002 0.9339      0.16311     1065619450    2
nprobe=64,quantizer_efSearch=32          0.4934 0.9138 0.9487      0.16290     1063893160    2
nprobe=64,quantizer_efSearch=128         0.4963 0.9189 0.9542      0.16693     1062634815    2
nprobe=128,quantizer_efSearch=64         0.5026 0.9399 0.9779      0.31874     2092596513    1
nprobe=128,quantizer_efSearch=128        0.5037 0.9423 0.9804      0.31644     2091094389    1
nprobe=128,quantizer_efSearch=256        0.5038 0.9427 0.9808      0.32394     2090834606    1
nprobe=128,quantizer_efSearch=512        0.5039 0.9427 0.9808      0.37095     2090761179    1
nprobe=256,quantizer_efSearch=128        0.5063 0.9523 0.9928      0.61291     4106462211    1
nprobe=256,quantizer_efSearch=256        0.5066 0.9528 0.9934      0.61737     4104595322    1
nprobe=256,quantizer_efSearch=512        0.5067 0.9527 0.9933      0.63317     4104165834    1
nprobe=512,quantizer_efSearch=128        0.5071 0.9554 0.9969      1.18623     8056631663    1
nprobe=512,quantizer_efSearch=256        0.5077 0.9564 0.9981      1.20053     8047145756    1
nprobe=1024,quantizer_efSearch=256       0.5080 0.9570 0.9992      2.32033    15765131336    1
nprobe=2048,quantizer_efSearch=512       0.5081 0.9572 0.9995      4.59322    30865589719    1
`OPQ128_256,IVF1048576_HNSW32,PQ128x4fs`
Index size 9618128844code_size 64
log filename: autotune.dbbigann100M.OPQ128_256_IVF1048576_HNSW32_PQ128x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1898 0.2545 0.2560      0.00973        2320007    31
nprobe=2,quantizer_efSearch=4            0.1686 0.2251 0.2265      0.00616        2321675    49
nprobe=4,quantizer_efSearch=4            0.2166 0.3078 0.3117      0.00675        4635260    45
nprobe=8,quantizer_efSearch=4            0.2943 0.4488 0.4577      0.00914        9272327    33
nprobe=8,quantizer_efSearch=8            0.3022 0.4603 0.4693      0.01048        9263469    29
nprobe=16,quantizer_efSearch=4           0.3354 0.5329 0.5460      0.01046       18451952    29
nprobe=32,quantizer_efSearch=4           0.3601 0.5871 0.6043      0.01275       36602340    24
nprobe=16,quantizer_efSearch=8           0.3606 0.5753 0.5901      0.01360       18422974    23
nprobe=32,quantizer_efSearch=8           0.3947 0.6518 0.6719      0.01581       36644068    20
nprobe=64,quantizer_efSearch=8           0.4110 0.6952 0.7175      0.01980       72516181    16
nprobe=32,quantizer_efSearch=16          0.4160 0.6904 0.7121      0.02134       36513495    15
nprobe=64,quantizer_efSearch=16          0.4391 0.7535 0.7787      0.02492       72390091    13
nprobe=64,quantizer_efSearch=32          0.4525 0.7847 0.8114      0.03515       72091220    9
nprobe=128,quantizer_efSearch=32         0.4748 0.8377 0.8696      0.04387      142661147    7
nprobe=128,quantizer_efSearch=64         0.4855 0.8604 0.8933      0.06379      142079212    5
nprobe=256,quantizer_efSearch=64         0.4952 0.8926 0.9298      0.07744      280512789    4
nprobe=512,quantizer_efSearch=64         0.5015 0.9083 0.9475      0.09354      551752671    4
nprobe=256,quantizer_efSearch=128        0.5020 0.9063 0.9446      0.10909      279282886    3
nprobe=512,quantizer_efSearch=128        0.5086 0.9262 0.9679      0.12775      550195746    3
nprobe=1024,quantizer_efSearch=128       0.5099 0.9335 0.9769      0.15998     1078222613    2
nprobe=512,quantizer_efSearch=256        0.5105 0.9313 0.9738      0.18469      547986390    2
nprobe=1024,quantizer_efSearch=256       0.5137 0.9431 0.9877      0.21088     1077028890    2
nprobe=2048,quantizer_efSearch=256       0.5139 0.9454 0.9906      0.27308     2098602707    2
nprobe=1024,quantizer_efSearch=512       0.5144 0.9446 0.9896      0.31201     1073313604    1
nprobe=2048,quantizer_efSearch=512       0.5154 0.9481 0.9942      0.36792     2104276606    1
nprobe=4096,quantizer_efSearch=512       0.5159 0.9494 0.9961      0.47373     4067851863    1
`OPQ128_256,IVF1048576_HNSW32,PQ128x4fsr`
Index size 9617905612code_size 64
log filename: autotune.dbbigann100M.OPQ128_256_IVF1048576_HNSW32_PQ128x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.5579 0.6224 0.6224      0.05012       18300066    6
nprobe=1,quantizer_efSearch=4            0.1477 0.1550 0.1550      0.00633        1165553    48
nprobe=2,quantizer_efSearch=4            0.2156 0.2282 0.2282      0.00746        2322283    41
nprobe=4,quantizer_efSearch=4            0.2913 0.3131 0.3131      0.00978        4637164    31
nprobe=4,quantizer_efSearch=8            0.3373 0.3633 0.3633      0.01308        4631666    23
nprobe=4,quantizer_efSearch=16           0.3504 0.3785 0.3785      0.01889        4615089    16
nprobe=8,quantizer_efSearch=4            0.4207 0.4591 0.4591      0.02034        9270161    15
nprobe=8,quantizer_efSearch=8            0.4311 0.4712 0.4712      0.02135        9262935    15
nprobe=8,quantizer_efSearch=16           0.4543 0.4972 0.4972      0.02749        9223902    11
nprobe=16,quantizer_efSearch=4           0.4918 0.5470 0.5470      0.03067       18453535    10
nprobe=16,quantizer_efSearch=8           0.5302 0.5913 0.5913      0.03282       18425607    10
nprobe=16,quantizer_efSearch=16          0.5484 0.6119 0.6119      0.03906       18374472    8
nprobe=16,quantizer_efSearch=32          0.5579 0.6224 0.6224      0.05050       18300066    6
nprobe=16,quantizer_efSearch=64          0.5599 0.6246 0.6246      0.06515       18254149    5
nprobe=32,quantizer_efSearch=8           0.5956 0.6721 0.6721      0.07241       36651493    5
nprobe=32,quantizer_efSearch=16          0.6275 0.7130 0.7130      0.07721       36521218    4
nprobe=32,quantizer_efSearch=32          0.6424 0.7296 0.7296      0.08438       36396474    4
nprobe=32,quantizer_efSearch=64          0.6490 0.7368 0.7368      0.09669       36291064    4
nprobe=32,quantizer_efSearch=128         0.6513 0.7390 0.7390      0.12691       36245263    3
nprobe=64,quantizer_efSearch=32          0.7066 0.8121 0.8121      0.13927       72103895    3
nprobe=64,quantizer_efSearch=64          0.7183 0.8271 0.8271      0.15411       71861542    2
nprobe=64,quantizer_efSearch=128         0.7224 0.8319 0.8319      0.18595       71737634    2
nprobe=64,quantizer_efSearch=256         0.7237 0.8331 0.8331      0.22561       71689744    2
nprobe=128,quantizer_efSearch=32         0.7511 0.8701 0.8701      0.26412      142686957    2
nprobe=128,quantizer_efSearch=64         0.7706 0.8937 0.8937      0.27933      142097647    2
nprobe=128,quantizer_efSearch=128        0.7777 0.9023 0.9023      0.30264      141674228    1
nprobe=128,quantizer_efSearch=256        0.7786 0.9037 0.9037      0.34565      141496832    1
nprobe=256,quantizer_efSearch=64         0.7927 0.9299 0.9299      0.51330      280546557    1
nprobe=256,quantizer_efSearch=128        0.8041 0.9451 0.9451      0.52013      279327761    1
nprobe=256,quantizer_efSearch=256        0.8066 0.9479 0.9479      0.57207      278679981    1
nprobe=256,quantizer_efSearch=512        0.8069 0.9481 0.9481      0.67244      278466914    1
nprobe=512,quantizer_efSearch=128        0.8214 0.9683 0.9683      0.96654      550273427    1
nprobe=512,quantizer_efSearch=256        0.8245 0.9741 0.9741      1.01400      548056725    1
nprobe=512,quantizer_efSearch=512        0.8264 0.9755 0.9755      1.09603      547086456    1
nprobe=1024,quantizer_efSearch=256       0.8324 0.9878 0.9879      1.83975      540659326    1
nprobe=1024,quantizer_efSearch=512       0.8339 0.9899 0.9900      1.89165      538839297    1
`OPQ128_256,IVF1048576(IVF1024,PQ128x4fs,RFlat),PQ128x4fs`
Index size 9411713552code_size 64
log filename: autotune.dbbigann100M.OPQ128_256_IVF1048576_IVF1024_PQ128x4fs_RFlat__PQ128x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.4998 0.9023 0.9399      0.07213      323668338    5
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1      0.1047 0.1319 0.1324      0.00315        1533743    96
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1      0.1353 0.1778 0.1786      0.00334        2715961    90
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=1      0.1414 0.1883 0.1895      0.00350        2700767    86
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.1592 0.2122 0.2131      0.00364        3077376    83
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1676 0.2245 0.2260      0.00382        3054338    79
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=1      0.1773 0.2457 0.2490      0.00403        5031155    75
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.2047 0.2857 0.2890      0.00421        5422838    72
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.2144 0.3031 0.3070      0.00435        5393199    69
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.2160 0.3060 0.3101      0.00469        5387568    64
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2402 0.3410 0.3449      0.00502        6096147    60
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.2462 0.3622 0.3703      0.00542       10128368    56
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2819 0.4172 0.4255      0.00602       10810664    50
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2928 0.4397 0.4492      0.00632       10729682    48
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.2950 0.4435 0.4529      0.00784       10717489    39
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8      0.3010 0.4485 0.4569      0.00773       12146456    39
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.3374 0.5271 0.5406      0.00870       19948084    35
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.3378 0.5294 0.5428      0.00947       19910465    32
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.3527 0.5530 0.5676      0.00980       21433518    31
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.3645 0.5889 0.6064      0.01216       38688485    25
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.3659 0.5790 0.5937      0.01288       21205309    24
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.3738 0.6039 0.6222      0.01284       38202092    24
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.3748 0.5986 0.6141      0.01300       23829951    24
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.3765 0.6021 0.6174      0.01375       23767381    22
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.4104 0.6702 0.6908      0.01487       39462042    21
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.4263 0.7050 0.7262      0.01938       41863506    16
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.4266 0.7051 0.7263      0.02287       41917989    14
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.4525 0.7713 0.7965      0.02308       78860087    14
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.4561 0.7835 0.8098      0.02529       77685364    12
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.4627 0.8008 0.8285      0.02806       82355344    11
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.4628 0.8005 0.8279      0.03237       82511019    10
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.4738 0.8279 0.8587      0.03411      150723842    9
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.4882 0.8633 0.8966      0.04843      152612517    7
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.4916 0.8700 0.9041      0.05303      162339887    6
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.4918 0.8699 0.9037      0.05735      181314430    6
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.5004 0.8987 0.9365      0.06225      290514522    5
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.5024 0.9087 0.9470      0.07014      299980752    5
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.5037 0.9104 0.9488      0.07665      318686037    4
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.5039 0.9105 0.9492      0.09627      319421367    4
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.5066 0.9193 0.9603      0.10417      561567517    3
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.5095 0.9294 0.9715      0.10704      601596378    3
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=256  0.5115 0.9333 0.9764      0.13576      630315856    3
nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=128 0.5144 0.9434 0.9888      0.16168     1141490733    2
nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=256 0.5146 0.9436 0.9890      0.17919     1181384655    2
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=256 0.5154 0.9461 0.9913      0.22191     1154485513    2
nprobe=2048,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.5165 0.9496 0.9963      0.31270     2142576484    2
nprobe=4096,quantizer_k_factor_rf=1,quantizer_nprobe=128 0.5177 0.9513 0.9981      0.37541     4250552188    1
`OPQ128_256,IVF1048576(IVF1024,PQ128x4fs,RFlat),PQ128x4fsr`
Index size 9411420688code_size 64
log filename: autotune.dbbigann100M.OPQ128_256_IVF1048576_IVF1024_PQ128x4fs_RFlat__PQ128x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.4395 0.4809 0.4809      0.02228       12084088    14
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1474 0.1549 0.1549      0.00496        1890822    61
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1      0.1788 0.1887 0.1887      0.00522        2701883    58
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.2107 0.2236 0.2236      0.00570        3060568    53
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=2      0.2138 0.2274 0.2274      0.00615        3049423    49
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2332 0.2473 0.2473      0.00668        3775116    45
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2352 0.2499 0.2499      0.00677        3768144    45
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.2362 0.2511 0.2511      0.00694        3767536    44
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.2363 0.2510 0.2510      0.00723        3763872    42
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.2891 0.3086 0.3086      0.00769        5394031    40
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.2898 0.3114 0.3114      0.00789        5384943    39
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.3236 0.3470 0.3470      0.00872        6099400    35
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=8     0.3426 0.3688 0.3688      0.01297        7464129    24
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=16     0.3500 0.3748 0.3748      0.01430       10135047    21
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.3527 0.3791 0.3791      0.01448       10150831    21
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.4136 0.4537 0.4537      0.01795       10719218    17
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.4137 0.4537 0.4537      0.01837       10724093    17
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8      0.4395 0.4809 0.4809      0.02128       12074492    15
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.4423 0.4842 0.4842      0.02219       12053589    14
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.4562 0.4997 0.4997      0.02533       14752619    12
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=32     0.4596 0.5033 0.5033      0.02987       19977851    11
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=4     0.4885 0.5426 0.5426      0.03251       19966666    10
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.5299 0.5890 0.5890      0.03289       21286595    10
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.5341 0.5933 0.5933      0.03434       21235813    9
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.5342 0.5933 0.5933      0.03478       21200128    9
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.5549 0.6182 0.6182      0.03665       23910914    9
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=64    0.5595 0.6227 0.6227      0.04831       38972777    7
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.5622 0.6254 0.6254      0.04865       38837362    7
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.6117 0.6884 0.6884      0.07009       39511407    5
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.6138 0.6913 0.6913      0.07113       39447448    5
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.6419 0.7245 0.7245      0.07325       42016701    5
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.6441 0.7274 0.7274      0.07387       42024638    5
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=32    0.6500 0.7343 0.7343      0.07824       47014365    4
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.6553 0.7394 0.7394      0.08665       57297823    4
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.6670 0.7591 0.7592      0.13151       75643519    3
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.7090 0.8078 0.8079      0.13381       78078207    3
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=32    0.7228 0.8268 0.8269      0.13760       82802266    3
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.7262 0.8328 0.8329      0.14448       92931581    3
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.7263 0.8329 0.8330      0.15359       92846992    2
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.7743 0.8991 0.8992      0.27307      163077919    2
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.7752 0.9005 0.9006      0.27404      184145399    2
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.7799 0.9042 0.9043      0.26767      162418463    2
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.7801 0.9046 0.9047      0.27308      182872114    2
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.8011 0.9365 0.9366      0.49004      290921734    1
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.8081 0.9461 0.9462      0.49266      320682256    1
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.8085 0.9478 0.9479      0.50217      299869723    1
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.8099 0.9495 0.9496      0.50299      318030250    1
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=32   0.8112 0.9576 0.9577      0.93762      563789133    1
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.8246 0.9750 0.9751      0.89838      592243861    1
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.8253 0.9767 0.9768      0.90591      589561451    1
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=512  0.8255 0.9769 0.9770      0.98350      711288676    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=64  0.8330 0.9875 0.9877      1.75781      561062415    1
nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=512 0.8356 0.9902 0.9903      1.77066      704975408    1
nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=128 0.8360 0.9903 0.9904      1.73397      581386275    1
`OPQ128_256,IVF262144_HNSW32,PQ128x4fs`
Index size 7803870412code_size 64
log filename: autotune.dbbigann100M.OPQ128_256_IVF262144_HNSW32_PQ128x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3014 0.4590 0.4698      0.00831       17267350    37
nprobe=2,quantizer_efSearch=4            0.2156 0.3085 0.3137      0.00489        8660771    62
nprobe=4,quantizer_efSearch=4            0.2722 0.4102 0.4203      0.00567       17335466    53
nprobe=4,quantizer_efSearch=8            0.3014 0.4590 0.4698      0.00824       17267350    37
nprobe=8,quantizer_efSearch=4            0.3451 0.5509 0.5657      0.00869       34549278    35
nprobe=8,quantizer_efSearch=8            0.3551 0.5687 0.5839      0.00973       34520805    31
nprobe=16,quantizer_efSearch=4           0.3803 0.6345 0.6542      0.01147       68975991    27
nprobe=16,quantizer_efSearch=8           0.4061 0.6821 0.7022      0.01354       68861986    23
nprobe=16,quantizer_efSearch=16          0.4175 0.6996 0.7209      0.01667       68760310    18
nprobe=32,quantizer_efSearch=8           0.4321 0.7511 0.7784      0.01820      137056840    17
nprobe=32,quantizer_efSearch=16          0.4525 0.7912 0.8204      0.02256      136794317    14
nprobe=32,quantizer_efSearch=32          0.4579 0.8032 0.8324      0.02932      136570500    11
nprobe=64,quantizer_efSearch=16          0.4688 0.8395 0.8728      0.03128      271542813    10
nprobe=64,quantizer_efSearch=32          0.4768 0.8614 0.8961      0.03853      270934748    8
nprobe=128,quantizer_efSearch=32         0.4870 0.8918 0.9331      0.05024      536423161    6
nprobe=128,quantizer_efSearch=64         0.4909 0.9047 0.9464      0.06458      535208189    5
nprobe=256,quantizer_efSearch=32         0.4933 0.9057 0.9489      0.06860     1059004856    5
nprobe=256,quantizer_efSearch=64         0.4975 0.9246 0.9691      0.08411     1057378300    4
nprobe=512,quantizer_efSearch=64         0.5005 0.9308 0.9770      0.10935     2078351800    3
nprobe=512,quantizer_efSearch=128        0.5023 0.9393 0.9869      0.13744     2078714009    3
nprobe=512,quantizer_efSearch=256        0.5030 0.9423 0.9898      0.17188     2075233442    2
nprobe=1024,quantizer_efSearch=128       0.5039 0.9425 0.9908      0.16427     4061661051    2
nprobe=1024,quantizer_efSearch=256       0.5052 0.9457 0.9946      0.21196     4077612141    2
nprobe=1024,quantizer_efSearch=512       0.5053 0.9468 0.9955      0.27760     4073186812    2
nprobe=2048,quantizer_efSearch=512       0.5055 0.9474 0.9970      0.35833     7987750913    1
nprobe=4096,quantizer_efSearch=512       0.5057 0.9477 0.9973      0.48440    15299520717    1
`OPQ128_256,IVF262144_HNSW32,PQ128x4fsr`
Index size 7803856076code_size 64
log filename: autotune.dbbigann100M.OPQ128_256_IVF262144_HNSW32_PQ128x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.6437 0.7324 0.7324      0.04387       68663327    7
nprobe=1,quantizer_efSearch=4            0.2046 0.2161 0.2161      0.00523        4325131    58
nprobe=1,quantizer_efSearch=16           0.2244 0.2364 0.2364      0.01195        4288884    26
nprobe=2,quantizer_efSearch=16           0.3298 0.3530 0.3530      0.01309        8596650    23
nprobe=4,quantizer_efSearch=16           0.4434 0.4869 0.4869      0.01557       17229394    20
nprobe=4,quantizer_efSearch=32           0.4469 0.4909 0.4909      0.02328       17209860    13
nprobe=8,quantizer_efSearch=16           0.5483 0.6112 0.6112      0.02395       34436725    13
nprobe=8,quantizer_efSearch=32           0.5534 0.6170 0.6170      0.03050       34387331    10
nprobe=16,quantizer_efSearch=16          0.6356 0.7222 0.7222      0.03724       68766485    9
nprobe=16,quantizer_efSearch=32          0.6437 0.7324 0.7324      0.04337       68663327    7
nprobe=16,quantizer_efSearch=64          0.6453 0.7348 0.7348      0.05407       68622366    6
nprobe=32,quantizer_efSearch=16          0.7122 0.8207 0.8207      0.07230      136786996    5
nprobe=32,quantizer_efSearch=32          0.7197 0.8326 0.8326      0.07685      136565746    4
nprobe=32,quantizer_efSearch=64          0.7236 0.8376 0.8376      0.08681      136433938    4
nprobe=32,quantizer_efSearch=128         0.7238 0.8384 0.8384      0.10596      136378577    3
nprobe=64,quantizer_efSearch=16          0.7480 0.8735 0.8735      0.12785      271525022    3
nprobe=64,quantizer_efSearch=128         0.7736 0.9070 0.9070      0.15767      270405241    2
nprobe=64,quantizer_efSearch=256         0.7743 0.9078 0.9078      0.18857      270348684    2
nprobe=64,quantizer_efSearch=512         0.7745 0.9080 0.9080      0.24611      270347505    2
nprobe=128,quantizer_efSearch=128        0.8005 0.9511 0.9511      0.26773      534622478    2
nprobe=128,quantizer_efSearch=256        0.8019 0.9524 0.9524      0.28198      534408920    2
nprobe=256,quantizer_efSearch=128        0.8148 0.9778 0.9779      0.46586     1055171071    1
nprobe=256,quantizer_efSearch=256        0.8162 0.9792 0.9793      0.48095     1054278681    1
nprobe=256,quantizer_efSearch=512        0.8164 0.9797 0.9798      0.54051     1054092513    1
nprobe=512,quantizer_efSearch=256        0.8213 0.9909 0.9910      0.88650     2075027578    1
nprobe=512,quantizer_efSearch=512        0.8216 0.9915 0.9916      0.95121     2073894455    1
nprobe=1024,quantizer_efSearch=512       0.8226 0.9963 0.9965      1.64439     2045160157    1
`OPQ128_256,IVF262144(IVF512,PQ128x4fs,RFlat),PQ128x4fs`
Index size 7752612368code_size 64
log filename: autotune.dbbigann100M.OPQ128_256_IVF262144_IVF512_PQ128x4fs_RFlat__PQ128x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.5033 0.9389 0.9860      0.14407     4196749397    3
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1      0.1333 0.1769 0.1792      0.00248        4526200    121
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=1      0.1750 0.2475 0.2518      0.00293        8890821    103
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2238 0.3130 0.3178      0.00312        9412549    97
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2307 0.3267 0.3318      0.00315        9368552    96
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=8      0.2345 0.3281 0.3329      0.00427       10075276    71
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.2618 0.3950 0.4039      0.00435       17806431    69
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.2637 0.3981 0.4075      0.00404       17784524    75
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2882 0.4282 0.4367      0.00393       18213613    77
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2948 0.4448 0.4543      0.00409       18094799    74
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.2975 0.4485 0.4586      0.00425       18070044    71
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=8      0.3019 0.4505 0.4597      0.00440       18833454    69
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.3376 0.5281 0.5415      0.00556       35779999    54
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8      0.3598 0.5679 0.5815      0.00595       36317937    51
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=16     0.3668 0.5806 0.5943      0.00679       37550365    45
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.3780 0.6017 0.6170      0.00735       37199951    41
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.3795 0.6037 0.6191      0.00908       39771157    34
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.4134 0.6870 0.7077      0.00924       70541507    33
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.4249 0.7092 0.7303      0.01085       71576998    28
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.4264 0.7119 0.7335      0.01174       74149782    26
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.4267 0.7142 0.7358      0.01252       74071998    24
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.4271 0.7146 0.7362      0.01629       79076117    19
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.4383 0.7538 0.7798      0.01374      140922695    22
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.4616 0.8077 0.8375      0.01731      142133591    18
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.4619 0.8094 0.8391      0.02145      147187255    15
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=32    0.4794 0.8609 0.8953      0.02503      281092646    12
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.4827 0.8710 0.9056      0.02691      276545693    12
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.4863 0.8877 0.9260      0.03681      551263402    9
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.4946 0.9090 0.9501      0.03975      556062243    8
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=32   0.4971 0.9256 0.9689      0.05521     1085697962    6
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.5005 0.9295 0.9739      0.06616     1064205823    5
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.5025 0.9357 0.9810      0.07692     1075942606    4
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.5039 0.9433 0.9904      0.09683     2133816102    4
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.5045 0.9443 0.9918      0.09523     2141597968    4
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.5046 0.9453 0.9930      0.12034     2096745344    3
nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=128 0.5067 0.9484 0.9973      0.17164     4187187343    2
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.5069 0.9490 0.9978      0.18784     4095450246    2
`OPQ128_256,IVF262144(IVF512,PQ128x4fs,RFlat),PQ128x4fsr`
Index size 7752415760code_size 64
log filename: autotune.dbbigann100M.OPQ128_256_IVF262144_IVF512_PQ128x4fs_RFlat__PQ128x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                        0.3271 0.3495 0.3495      0.00394       10015057    77
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=2     0.1982 0.2089 0.2089      0.00250        4693539    121
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=2    0.1998 0.2107 0.2107      0.00282        4683609    107
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=2     0.2852 0.3047 0.3047      0.00332        9040870    91
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.3121 0.3332 0.3332      0.00352        9344806    86
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.3271 0.3495 0.3495      0.00393       10012770    77
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.4194 0.4583 0.4583      0.00504       18065584    60
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.4198 0.4587 0.4587      0.00502       18063827    60
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.4383 0.4786 0.4786      0.00531       18715337    57
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.4410 0.4819 0.4819      0.00548       18678009    55
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.4489 0.4910 0.4910      0.00662       19962055    46
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.4496 0.4918 0.4918      0.00818       22497996    37
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.5386 0.5998 0.5998      0.01423       36070920    22
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.5540 0.6168 0.6168      0.01495       37186646    21
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.5560 0.6188 0.6188      0.01742       39692459    18
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=4    0.5739 0.6493 0.6493      0.02802       70086528    11
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=8    0.6245 0.7086 0.7086      0.02655       70451934    12
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.6382 0.7257 0.7257      0.02892       71780351    11
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=32   0.6416 0.7293 0.7293      0.02700       74233391    12
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.6423 0.7300 0.7300      0.02716       71528751    12
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.6464 0.7354 0.7354      0.02844       73925535    11
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.6467 0.7358 0.7358      0.03120       78892612    10
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.6911 0.7927 0.7927      0.06244      138892775    5
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.7207 0.8297 0.8297      0.06174      139692567    5
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.7221 0.8330 0.8330      0.06451      147280346    5
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.7256 0.8381 0.8381      0.06350      141991087    5
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.7266 0.8392 0.8392      0.06459      146673873    5
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.7780 0.9083 0.9083      0.11968      280697446    3
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=128  0.7784 0.9089 0.9089      0.13134      291429434    3
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=32  0.8022 0.9484 0.9484      0.20145      541373435    2
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=256 0.8070 0.9537 0.9537      0.22150      575451529    2
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64  0.8212 0.9806 0.9807      0.39132     1066462733    1
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=64  0.8226 0.9918 0.9918      0.70648     2098848751    1
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.8244 0.9922 0.9922      0.74068     2087900845    1
`OPQ128_256,IVF65536_HNSW32,PQ128x4fs`
Index size 7351070412code_size 64
log filename: autotune.dbbigann100M.OPQ128_256_IVF65536_HNSW32_PQ128x4fs.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.3433 0.5500 0.5651      0.01142       68399824    27
nprobe=1,quantizer_efSearch=8            0.2083 0.2937 0.2987      0.00517       17106864    59
nprobe=1,quantizer_efSearch=16           0.2125 0.2987 0.3037      0.00631       17085598    48
nprobe=2,quantizer_efSearch=4            0.2571 0.3856 0.3952      0.00651       34312822    47
nprobe=2,quantizer_efSearch=8            0.2787 0.4204 0.4306      0.00718       34252816    42
nprobe=2,quantizer_efSearch=16           0.2853 0.4288 0.4391      0.00836       34211706    36
nprobe=2,quantizer_efSearch=32           0.2857 0.4296 0.4399      0.01057       34182210    29
nprobe=4,quantizer_efSearch=4            0.3136 0.4967 0.5110      0.01062       68517397    29
nprobe=4,quantizer_efSearch=8            0.3433 0.5500 0.5651      0.01121       68399824    27
nprobe=4,quantizer_efSearch=16           0.3500 0.5612 0.5764      0.01263       68301747    24
nprobe=4,quantizer_efSearch=32           0.3521 0.5639 0.5791      0.01456       68255805    21
nprobe=8,quantizer_efSearch=8            0.3951 0.6737 0.6947      0.01704      136651468    18
nprobe=8,quantizer_efSearch=16           0.4076 0.6957 0.7170      0.01924      136459113    16
nprobe=8,quantizer_efSearch=32           0.4096 0.7002 0.7216      0.02227      136322238    14
nprobe=8,quantizer_efSearch=64           0.4106 0.7013 0.7227      0.02611      136293357    12
nprobe=16,quantizer_efSearch=4           0.4183 0.7327 0.7595      0.02603      271928678    12
nprobe=16,quantizer_efSearch=8           0.4375 0.7726 0.8009      0.02527      271736362    12
nprobe=16,quantizer_efSearch=16          0.4454 0.7887 0.8175      0.02895      271363771    11
nprobe=16,quantizer_efSearch=32          0.4496 0.7978 0.8269      0.02995      271038192    11
nprobe=16,quantizer_efSearch=64          0.4509 0.7987 0.8277      0.03669      270942735    9
nprobe=32,quantizer_efSearch=8           0.4598 0.8261 0.8587      0.03861      538997982    8
nprobe=64,quantizer_efSearch=8           0.4691 0.8529 0.8895      0.05391     1065121023    6
nprobe=32,quantizer_efSearch=16          0.4725 0.8546 0.8886      0.04106      537887328    8
nprobe=64,quantizer_efSearch=16          0.4835 0.8917 0.9307      0.05794     1064204824    6
nprobe=64,quantizer_efSearch=32          0.4893 0.9066 0.9479      0.05487     1062524114    6
nprobe=64,quantizer_efSearch=64          0.4920 0.9115 0.9530      0.07167     1061632242    5
nprobe=128,quantizer_efSearch=32         0.4963 0.9267 0.9713      0.07986     2094502045    4
nprobe=128,quantizer_efSearch=64         0.4996 0.9338 0.9789      0.09579     2090991413    4
nprobe=128,quantizer_efSearch=128        0.5003 0.9353 0.9807      0.11639     2089632296    3
nprobe=256,quantizer_efSearch=64         0.5031 0.9433 0.9908      0.12496     4111543057    3
nprobe=256,quantizer_efSearch=128        0.5040 0.9452 0.9931      0.13836     4105592342    3
nprobe=512,quantizer_efSearch=128        0.5047 0.9488 0.9976      0.18882     8059543142    2
nprobe=1024,quantizer_efSearch=256       0.5049 0.9504 0.9992      0.30624    15779266890    1
`OPQ128_256,IVF65536_HNSW32,PQ128x4fsr`
Index size 7351031500code_size 64
log filename: autotune.dbbigann100M.OPQ128_256_IVF65536_HNSW32_PQ128x4fsr.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.7118 0.8273 0.8274      0.04907      271036385    7
nprobe=1,quantizer_efSearch=4            0.2585 0.2788 0.2788      0.00534       17138319    57
nprobe=1,quantizer_efSearch=16           0.2810 0.3037 0.3037      0.00966       17085581    32
nprobe=2,quantizer_efSearch=16           0.4001 0.4390 0.4390      0.01201       34214139    25
nprobe=4,quantizer_efSearch=16           0.5152 0.5770 0.5770      0.01600       68308805    19
nprobe=4,quantizer_efSearch=32           0.5169 0.5791 0.5791      0.02052       68258153    15
nprobe=8,quantizer_efSearch=16           0.6301 0.7182 0.7182      0.02650      136466226    12
nprobe=8,quantizer_efSearch=32           0.6332 0.7218 0.7218      0.03021      136322419    10
nprobe=8,quantizer_efSearch=64           0.6342 0.7228 0.7228      0.03619      136294792    9
nprobe=16,quantizer_efSearch=16          0.7060 0.8184 0.8185      0.04585      271364057    7
nprobe=16,quantizer_efSearch=32          0.7118 0.8273 0.8274      0.04916      271036385    7
nprobe=16,quantizer_efSearch=64          0.7123 0.8279 0.8280      0.05429      270939632    6
nprobe=16,quantizer_efSearch=128         0.7129 0.8285 0.8286      0.06544      270904061    5
nprobe=32,quantizer_efSearch=16          0.7577 0.8894 0.8894      0.08717      537884297    4
nprobe=32,quantizer_efSearch=32          0.7664 0.9009 0.9009      0.08973      537262160    4
nprobe=32,quantizer_efSearch=64          0.7687 0.9031 0.9031      0.09505      536984428    4
nprobe=32,quantizer_efSearch=128         0.7696 0.9039 0.9039      0.10359      536909696    3
nprobe=64,quantizer_efSearch=16          0.7841 0.9313 0.9313      0.15305     1064221885    2
nprobe=64,quantizer_efSearch=64          0.8012 0.9533 0.9533      0.15852     1061633011    2
nprobe=64,quantizer_efSearch=128         0.8020 0.9543 0.9543      0.16895     1061297510    2
nprobe=128,quantizer_efSearch=64         0.8147 0.9792 0.9792      0.27924     2090984901    2
nprobe=128,quantizer_efSearch=128        0.8155 0.9808 0.9809      0.28468     2089632171    2
nprobe=128,quantizer_efSearch=256        0.8156 0.9808 0.9809      0.31142     2089374405    1
nprobe=128,quantizer_efSearch=512        0.8158 0.9809 0.9810      0.34646     2089277346    1
nprobe=256,quantizer_efSearch=64         0.8216 0.9912 0.9912      0.50237     4111595038    1
nprobe=256,quantizer_efSearch=128        0.8224 0.9933 0.9933      0.47607     4105606489    1
`OPQ16_64,IVF1048576_HNSW32,PQ16x4fs,Refine(OPQ56_112,PQ56)`
Index size 7901111698code_size 64
log filename: autotune.dbbigann100M.OPQ16_64_IVF1048576_HNSW32_PQ16x4fs_Refine_OPQ56_112_PQ56_.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                  0.7006 0.9150 0.9159      0.07789      279422131    4
k_factor_rf=1,nprobe=4,quantizer_efSearch=4       0.2556 0.2924 0.2925      0.00353        4634660    85
k_factor_rf=1,nprobe=8,quantizer_efSearch=4       0.3500 0.4041 0.4041      0.00434        9247916    70
k_factor_rf=1,nprobe=8,quantizer_efSearch=8       0.3616 0.4175 0.4175      0.00467        9238140    65
k_factor_rf=1,nprobe=16,quantizer_efSearch=4      0.3960 0.4580 0.4580      0.00536       18392937    56
k_factor_rf=1,nprobe=16,quantizer_efSearch=8      0.4294 0.4979 0.4979      0.00592       18376112    51
k_factor_rf=1,nprobe=16,quantizer_efSearch=16     0.4413 0.5126 0.5126      0.00685       18324976    44
k_factor_rf=1,nprobe=32,quantizer_efSearch=8      0.4541 0.5273 0.5273      0.00734       36511456    41
k_factor_rf=2,nprobe=16,quantizer_efSearch=8      0.4601 0.5482 0.5483      0.00719       18376112    42
k_factor_rf=2,nprobe=16,quantizer_efSearch=16     0.4725 0.5636 0.5637      0.00805       18324976    38
k_factor_rf=2,nprobe=32,quantizer_efSearch=8      0.4946 0.5939 0.5940      0.00920       36511456    33
k_factor_rf=2,nprobe=32,quantizer_efSearch=16     0.5189 0.6252 0.6253      0.01062       36384965    29
k_factor_rf=4,nprobe=32,quantizer_efSearch=16     0.5445 0.6711 0.6712      0.01279       36384965    24
k_factor_rf=4,nprobe=32,quantizer_efSearch=32     0.5566 0.6876 0.6877      0.01667       36266557    18
k_factor_rf=4,nprobe=64,quantizer_efSearch=16     0.5773 0.7164 0.7166      0.01632       72143645    19
k_factor_rf=4,nprobe=128,quantizer_efSearch=16    0.5873 0.7279 0.7281      0.02047      142521400    15
k_factor_rf=8,nprobe=64,quantizer_efSearch=16     0.5988 0.7537 0.7542      0.02185       72143645    14
k_factor_rf=4,nprobe=128,quantizer_efSearch=32    0.6162 0.7682 0.7684      0.02284      142186200    14
k_factor_rf=8,nprobe=64,quantizer_efSearch=32     0.6188 0.7826 0.7831      0.02369       71866988    13
k_factor_rf=4,nprobe=128,quantizer_efSearch=64    0.6321 0.7899 0.7901      0.02860      141562055    11
k_factor_rf=8,nprobe=128,quantizer_efSearch=64    0.6582 0.8420 0.8424      0.03389      141562055    9
k_factor_rf=8,nprobe=128,quantizer_efSearch=128   0.6647 0.8501 0.8505      0.04305      141214504    7
k_factor_rf=16,nprobe=128,quantizer_efSearch=64   0.6731 0.8698 0.8703      0.04679      141562055    7
k_factor_rf=16,nprobe=128,quantizer_efSearch=128  0.6798 0.8785 0.8790      0.05508      141214504    6
k_factor_rf=8,nprobe=256,quantizer_efSearch=128   0.6812 0.8738 0.8741      0.05323      278302984    6
k_factor_rf=16,nprobe=256,quantizer_efSearch=64   0.6911 0.8976 0.8982      0.05811      279422131    6
k_factor_rf=16,nprobe=256,quantizer_efSearch=128  0.7024 0.9139 0.9145      0.06442      278302984    5
k_factor_rf=32,nprobe=256,quantizer_efSearch=128  0.7120 0.9315 0.9324      0.09020      278302984    4
k_factor_rf=32,nprobe=256,quantizer_efSearch=256  0.7138 0.9344 0.9353      0.10583      277742606    3
k_factor_rf=32,nprobe=512,quantizer_efSearch=256  0.7257 0.9540 0.9550      0.13281      545983749    3
k_factor_rf=64,nprobe=512,quantizer_efSearch=128  0.7273 0.9589 0.9602      0.16592      547976204    2
k_factor_rf=64,nprobe=512,quantizer_efSearch=512  0.7322 0.9665 0.9678      0.21772      545084514    2
k_factor_rf=32,nprobe=1024,quantizer_efSearch=512 0.7324 0.9652 0.9661      0.21669     1068909709    2
k_factor_rf=64,nprobe=1024,quantizer_efSearch=256 0.7374 0.9760 0.9774      0.22655     1072499863    2
k_factor_rf=64,nprobe=1024,quantizer_efSearch=512 0.7393 0.9783 0.9797      0.27433     1068909709    2
k_factor_rf=64,nprobe=4096,quantizer_efSearch=512 0.7415 0.9824 0.9836      0.42406     4041057160    1
`OPQ16_64,IVF1048576_HNSW32,PQ16x4fsr,Refine(OPQ56_112,PQ56)`
Index size 7900957842code_size 64
log filename: autotune.dbbigann100M.OPQ16_64_IVF1048576_HNSW32_PQ16x4fsr_Refine_OPQ56_112_PQ56_.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                  0.7409 0.9862 0.9880      0.38296     1067840300    1
k_factor_rf=1,nprobe=1,quantizer_efSearch=4       0.1406 0.1546 0.1546      0.00411        1160177    74
k_factor_rf=2,nprobe=1,quantizer_efSearch=8       0.1573 0.1720 0.1720      0.00541        1153870    56
k_factor_rf=1,nprobe=2,quantizer_efSearch=8       0.2274 0.2555 0.2555      0.00554        2303836    55
k_factor_rf=2,nprobe=2,quantizer_efSearch=8       0.2275 0.2558 0.2558      0.00657        2303836    46
k_factor_rf=1,nprobe=2,quantizer_efSearch=16      0.2317 0.2604 0.2604      0.00746        2294619    41
k_factor_rf=4,nprobe=4,quantizer_efSearch=4       0.2690 0.3117 0.3118      0.00851        4631106    36
k_factor_rf=4,nprobe=8,quantizer_efSearch=8       0.3933 0.4695 0.4697      0.01124        9230653    27
k_factor_rf=2,nprobe=32,quantizer_efSearch=4      0.4876 0.6037 0.6043      0.01213       36451360    25
k_factor_rf=1,nprobe=64,quantizer_efSearch=8      0.5678 0.7130 0.7134      0.01586       72184450    19
k_factor_rf=2,nprobe=32,quantizer_efSearch=64     0.5825 0.7287 0.7296      0.02352       36155916    13
k_factor_rf=1,nprobe=64,quantizer_efSearch=64     0.6359 0.8057 0.8063      0.02705       71585653    12
k_factor_rf=2,nprobe=64,quantizer_efSearch=64     0.6405 0.8178 0.8187      0.02846       71585653    11
k_factor_rf=4,nprobe=64,quantizer_efSearch=64     0.6421 0.8224 0.8235      0.03192       71585653    10
k_factor_rf=2,nprobe=64,quantizer_efSearch=128    0.6437 0.8218 0.8227      0.03981       71470864    8
k_factor_rf=4,nprobe=64,quantizer_efSearch=128    0.6450 0.8262 0.8273      0.04363       71470864    7
k_factor_rf=4,nprobe=128,quantizer_efSearch=32    0.6657 0.8645 0.8656      0.04807      142060924    7
k_factor_rf=2,nprobe=128,quantizer_efSearch=64    0.6790 0.8787 0.8796      0.04877      141454411    7
k_factor_rf=2,nprobe=128,quantizer_efSearch=128   0.6851 0.8869 0.8878      0.05837      141095238    6
k_factor_rf=4,nprobe=128,quantizer_efSearch=128   0.6876 0.8949 0.8961      0.06377      141095238    5
k_factor_rf=8,nprobe=128,quantizer_efSearch=128   0.6882 0.8969 0.8982      0.07067      141095238    5
k_factor_rf=4,nprobe=128,quantizer_efSearch=256   0.6897 0.8973 0.8985      0.08131      140942788    4
k_factor_rf=1,nprobe=256,quantizer_efSearch=128   0.6991 0.9002 0.9007      0.08713      278083161    4
k_factor_rf=2,nprobe=256,quantizer_efSearch=128   0.7104 0.9261 0.9270      0.09068      278083161    4
k_factor_rf=8,nprobe=256,quantizer_efSearch=128   0.7147 0.9399 0.9413      0.10235      278083161    3
k_factor_rf=16,nprobe=256,quantizer_efSearch=128  0.7149 0.9406 0.9422      0.11528      278083161    3
k_factor_rf=8,nprobe=256,quantizer_efSearch=256   0.7181 0.9440 0.9454      0.12338      277523551    3
k_factor_rf=16,nprobe=256,quantizer_efSearch=256  0.7183 0.9448 0.9464      0.13626      277523551    3
k_factor_rf=32,nprobe=256,quantizer_efSearch=256  0.7184 0.9448 0.9464      0.15800      277523551    2
k_factor_rf=2,nprobe=512,quantizer_efSearch=128   0.7218 0.9437 0.9446      0.15551      547491502    2
k_factor_rf=8,nprobe=512,quantizer_efSearch=128   0.7276 0.9616 0.9630      0.16553      547491502    2
k_factor_rf=4,nprobe=512,quantizer_efSearch=256   0.7305 0.9648 0.9661      0.18031      545475052    2
k_factor_rf=8,nprobe=512,quantizer_efSearch=256   0.7326 0.9689 0.9704      0.18713      545475052    2
k_factor_rf=16,nprobe=512,quantizer_efSearch=256  0.7327 0.9701 0.9718      0.20421      545475052    2
k_factor_rf=8,nprobe=512,quantizer_efSearch=512   0.7330 0.9701 0.9716      0.22970      544590302    2
k_factor_rf=16,nprobe=512,quantizer_efSearch=512  0.7332 0.9713 0.9730      0.24188      544590302    2
k_factor_rf=4,nprobe=1024,quantizer_efSearch=256  0.7361 0.9760 0.9773      0.30451     1071378587    1
k_factor_rf=8,nprobe=1024,quantizer_efSearch=256  0.7393 0.9822 0.9837      0.30702     1071378587    1
k_factor_rf=16,nprobe=1024,quantizer_efSearch=256 0.7397 0.9836 0.9854      0.32509     1071378587    1
k_factor_rf=16,nprobe=1024,quantizer_efSearch=512 0.7409 0.9862 0.9880      0.37890     1067840300    1
k_factor_rf=32,nprobe=1024,quantizer_efSearch=512 0.7414 0.9866 0.9884      0.40714     1067840300    1
k_factor_rf=64,nprobe=1024,quantizer_efSearch=512 0.7415 0.9867 0.9885      0.45945     1067840300    1
`OPQ16_64,IVF1048576(IVF1024,PQ32x4fs,RFlat),PQ16x4fs,Refine(OPQ56_112,PQ56)`
Index size 7641496278code_size 64
log filename: autotune.dbbigann100M.OPQ16_64_IVF1048576_IVF1024_PQ32x4fs_RFlat__PQ16x4fs_Refine_OPQ56_112_PQ56_.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                         0.4285 0.4952 0.4952      0.02407       73947003    13
k_factor_rf=2,nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1        0.1137 0.1251 0.1251      0.00316        1533416    95
k_factor_rf=1,nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2        0.1558 0.1727 0.1728      0.00327        3065995    92
k_factor_rf=1,nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2        0.2555 0.2894 0.2895      0.00384        5388544    79
k_factor_rf=1,nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8        0.2856 0.3232 0.3233      0.00392        7477709    77
k_factor_rf=1,nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=8        0.2982 0.3388 0.3389      0.00415        7465120    73
k_factor_rf=1,nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=2       0.3360 0.3847 0.3848      0.00515       19264139    59
k_factor_rf=1,nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=2       0.3381 0.3873 0.3874      0.00524       19216356    58
k_factor_rf=2,nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8        0.3757 0.4400 0.4402      0.00588       12105825    52
k_factor_rf=1,nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=16      0.3869 0.4465 0.4466      0.00671       14749491    45
k_factor_rf=2,nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=4       0.4293 0.5078 0.5079      0.00782       38517174    39
k_factor_rf=1,nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8       0.4695 0.5434 0.5435      0.00779       39372918    39
k_factor_rf=2,nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16      0.4822 0.5747 0.5748      0.00901       23882432    34
k_factor_rf=2,nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16      0.5314 0.6408 0.6409      0.01154       41927220    26
k_factor_rf=2,nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=8       0.5364 0.6424 0.6425      0.01337       75146470    23
k_factor_rf=2,nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64      0.5415 0.6527 0.6528      0.01546       57463015    20
k_factor_rf=4,nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=8       0.5709 0.7024 0.7025      0.01826       75117690    17
k_factor_rf=2,nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=128     0.5733 0.6942 0.6943      0.02155      113460906    14
k_factor_rf=8,nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16      0.5848 0.7260 0.7264      0.02082       78577064    15
k_factor_rf=8,nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64      0.6307 0.7970 0.7975      0.02660       92984900    12
k_factor_rf=4,nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=128    0.6406 0.7993 0.7995      0.03158      183143996    10
k_factor_rf=8,nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.6565 0.8358 0.8361      0.04048      286587588    8
k_factor_rf=16,nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.6677 0.8562 0.8568      0.05018      291021803    6
k_factor_rf=16,nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.6961 0.9015 0.9021      0.05613      290750697    6
k_factor_rf=16,nprobe=256,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.7007 0.9086 0.9092      0.08461      289698724    4
k_factor_rf=16,nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.7102 0.9246 0.9252      0.09511     1115947615    4
k_factor_rf=16,nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=256  0.7113 0.9264 0.9270      0.10445     1172690406    3
k_factor_rf=16,nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=256  0.7153 0.9333 0.9338      0.11560     1152354925    3
k_factor_rf=32,nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=512   0.7274 0.9567 0.9577      0.12459      709319398    3
k_factor_rf=32,nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.7318 0.9651 0.9660      0.14202     1113334112    3
k_factor_rf=32,nprobe=2048,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.7329 0.9672 0.9682      0.19095     2136352835    2
k_factor_rf=64,nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=512   0.7338 0.9688 0.9701      0.20715      709189098    2
k_factor_rf=64,nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.7385 0.9771 0.9785      0.21475     1092800668    2
k_factor_rf=64,nprobe=4096,quantizer_k_factor_rf=1,quantizer_nprobe=64   0.7395 0.9795 0.9807      0.30034     4215764863    2
k_factor_rf=64,nprobe=1024,quantizer_k_factor_rf=16,quantizer_nprobe=128 0.7401 0.9800 0.9814      0.31929     1111147155    1
k_factor_rf=64,nprobe=4096,quantizer_k_factor_rf=64,quantizer_nprobe=512 0.7427 0.9853 0.9866      2.86117     4240199164    1
`OPQ16_64,IVF1048576(IVF1024,PQ32x4fs,RFlat),PQ16x4fsr,Refine(OPQ56_112,PQ56)`
Index size 7641378518code_size 64
log filename: autotune.dbbigann100M.OPQ16_64_IVF1048576_IVF1024_PQ32x4fs_RFlat__PQ16x4fsr_Refine_OPQ56_112_PQ56_.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                         0.7359 0.9721 0.9732      0.25853     1167171700    2
k_factor_rf=1,nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=1        0.0972 0.1050 0.1050      0.00355        1535291    85
k_factor_rf=1,nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2        0.1657 0.1828 0.1828      0.00408        3062757    74
k_factor_rf=1,nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=2        0.1911 0.2125 0.2125      0.00412        3049467    73
k_factor_rf=1,nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2        0.2003 0.2233 0.2233      0.00420        3047476    72
k_factor_rf=1,nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=1        0.2098 0.2385 0.2385      0.00444        5017322    68
k_factor_rf=1,nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2        0.2595 0.2971 0.2971      0.00456        5383357    66
k_factor_rf=2,nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=8        0.2663 0.3009 0.3010      0.00657        7465526    46
k_factor_rf=1,nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=2       0.3790 0.4535 0.4535      0.00673       19224061    45
k_factor_rf=1,nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=2       0.3838 0.4614 0.4614      0.00707       19185019    43
k_factor_rf=1,nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8       0.4397 0.5251 0.5251      0.00730       21361001    42
k_factor_rf=1,nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=8       0.4864 0.5901 0.5902      0.00805       21196380    38
k_factor_rf=2,nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16      0.4989 0.6036 0.6041      0.01020       23886591    30
k_factor_rf=1,nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8       0.5501 0.6813 0.6818      0.01112       39299140    27
k_factor_rf=2,nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16      0.5700 0.7080 0.7087      0.01306       41952340    23
k_factor_rf=4,nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=8       0.5734 0.7210 0.7218      0.02004       75912366    15
k_factor_rf=4,nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16      0.6034 0.7576 0.7584      0.02133       78327351    15
k_factor_rf=2,nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=16      0.6358 0.8058 0.8066      0.02313       77420381    13
k_factor_rf=2,nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64      0.6460 0.8216 0.8224      0.02534       92220657    12
k_factor_rf=8,nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=32     0.6462 0.8262 0.8273      0.04122       82422753    8
k_factor_rf=8,nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=128     0.6485 0.8296 0.8307      0.04345      112947644    7
k_factor_rf=8,nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.6726 0.8657 0.8669      0.05262      147868888    6
k_factor_rf=8,nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.6885 0.8941 0.8955      0.05566      152270837    6
k_factor_rf=4,nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=64     0.6918 0.8986 0.8997      0.05608      161828951    6
k_factor_rf=4,nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=256    0.6921 0.8989 0.9000      0.06204      221980373    5
k_factor_rf=1,nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32     0.6945 0.8928 0.8933      0.07295      290004050    5
k_factor_rf=4,nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.7117 0.9316 0.9327      0.08274      289604359    4
k_factor_rf=4,nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=256    0.7191 0.9422 0.9433      0.09575      360088024    4
k_factor_rf=8,nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=512    0.7199 0.9452 0.9467      0.11982      436268234    3
k_factor_rf=8,nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=128    0.7339 0.9706 0.9721      0.16154      587157888    2
k_factor_rf=16,nprobe=512,quantizer_k_factor_rf=16,quantizer_nprobe=256  0.7344 0.9729 0.9746      0.25166      627424409    2
k_factor_rf=4,nprobe=1024,quantizer_k_factor_rf=1,quantizer_nprobe=256   0.7359 0.9721 0.9732      0.26397     1165883036    2
k_factor_rf=8,nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=128   0.7422 0.9861 0.9877      0.27487     1110399707    2
k_factor_rf=16,nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=256  0.7429 0.9887 0.9906      0.31427     1149929861    1
k_factor_rf=32,nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.7431 0.9893 0.9912      0.33329     1110027205    1
k_factor_rf=64,nprobe=1024,quantizer_k_factor_rf=64,quantizer_nprobe=512 0.7433 0.9893 0.9912      0.98010     1231145510    1
`OPQ16_64,IVF262144_HNSW32,PQ16x4fs,Refine(OPQ56_112,PQ56)`
Index size 7375336594code_size 64
log filename: autotune.dbbigann100M.OPQ16_64_IVF262144_HNSW32_PQ16x4fs_Refine_OPQ56_112_PQ56_.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                  0.7230 0.9509 0.9519      0.07980     1058236115    4
k_factor_rf=1,nprobe=4,quantizer_efSearch=4       0.3165 0.3622 0.3622      0.00318       17340778    95
k_factor_rf=1,nprobe=4,quantizer_efSearch=8       0.3515 0.4017 0.4017      0.00368       17325450    82
k_factor_rf=1,nprobe=8,quantizer_efSearch=8       0.4108 0.4759 0.4759      0.00515       34583688    59
k_factor_rf=1,nprobe=16,quantizer_efSearch=8      0.4567 0.5311 0.5311      0.00658       69023722    46
k_factor_rf=1,nprobe=16,quantizer_efSearch=16     0.4696 0.5467 0.5467      0.00608       68920570    50
k_factor_rf=1,nprobe=32,quantizer_efSearch=8      0.4736 0.5512 0.5512      0.00696      137377759    44
k_factor_rf=2,nprobe=16,quantizer_efSearch=8      0.5056 0.6043 0.6043      0.00691       69023722    44
k_factor_rf=2,nprobe=16,quantizer_efSearch=16     0.5184 0.6212 0.6212      0.00761       68920570    40
k_factor_rf=2,nprobe=32,quantizer_efSearch=8      0.5275 0.6340 0.6340      0.00917      137377759    33
k_factor_rf=2,nprobe=32,quantizer_efSearch=16     0.5512 0.6633 0.6633      0.00964      137118927    32
k_factor_rf=2,nprobe=32,quantizer_efSearch=32     0.5582 0.6746 0.6746      0.01103      136914124    28
k_factor_rf=2,nprobe=64,quantizer_efSearch=16     0.5636 0.6800 0.6800      0.01255      272043938    24
k_factor_rf=4,nprobe=32,quantizer_efSearch=16     0.5954 0.7367 0.7367      0.01274      137118927    24
k_factor_rf=4,nprobe=32,quantizer_efSearch=32     0.6028 0.7483 0.7484      0.01435      136914124    21
k_factor_rf=4,nprobe=64,quantizer_efSearch=16     0.6121 0.7602 0.7603      0.01568      272043938    20
k_factor_rf=8,nprobe=32,quantizer_efSearch=16     0.6197 0.7797 0.7800      0.01882      137118927    16
k_factor_rf=4,nprobe=64,quantizer_efSearch=64     0.6293 0.7863 0.7865      0.02017      271055861    15
k_factor_rf=4,nprobe=128,quantizer_efSearch=32    0.6344 0.7883 0.7885      0.02252      537219772    14
k_factor_rf=8,nprobe=64,quantizer_efSearch=16     0.6441 0.8162 0.8165      0.02410      272043938    13
k_factor_rf=8,nprobe=64,quantizer_efSearch=32     0.6578 0.8374 0.8379      0.02463      271449873    13
k_factor_rf=8,nprobe=64,quantizer_efSearch=64     0.6625 0.8439 0.8444      0.02671      271055861    12
k_factor_rf=8,nprobe=128,quantizer_efSearch=64    0.6782 0.8677 0.8682      0.03371      536014528    9
k_factor_rf=8,nprobe=128,quantizer_efSearch=128   0.6808 0.8716 0.8721      0.03732      535449225    9
k_factor_rf=16,nprobe=64,quantizer_efSearch=64    0.6811 0.8801 0.8808      0.04080      271055861    8
k_factor_rf=16,nprobe=64,quantizer_efSearch=128   0.6822 0.8815 0.8822      0.04421      270906065    7
k_factor_rf=16,nprobe=128,quantizer_efSearch=64   0.7020 0.9119 0.9126      0.04858      536014528    7
k_factor_rf=16,nprobe=128,quantizer_efSearch=128  0.7046 0.9158 0.9165      0.05531      535449225    6
k_factor_rf=16,nprobe=256,quantizer_efSearch=64   0.7074 0.9215 0.9222      0.05619     1058236115    6
k_factor_rf=16,nprobe=256,quantizer_efSearch=128  0.7124 0.9286 0.9293      0.06120     1056054792    5
k_factor_rf=32,nprobe=128,quantizer_efSearch=128  0.7152 0.9373 0.9381      0.07331      535449225    5
k_factor_rf=32,nprobe=256,quantizer_efSearch=64   0.7230 0.9509 0.9519      0.08072     1058236115    4
k_factor_rf=32,nprobe=256,quantizer_efSearch=128  0.7279 0.9576 0.9586      0.08625     1056054792    4
k_factor_rf=32,nprobe=256,quantizer_efSearch=256  0.7283 0.9583 0.9593      0.09738     1055292281    4
k_factor_rf=32,nprobe=256,quantizer_efSearch=512  0.7285 0.9584 0.9594      0.12451     1055118097    3
k_factor_rf=32,nprobe=512,quantizer_efSearch=256  0.7319 0.9651 0.9660      0.12052     2075709233    3
k_factor_rf=64,nprobe=256,quantizer_efSearch=128  0.7339 0.9699 0.9711      0.13739     1056054792    3
k_factor_rf=64,nprobe=512,quantizer_efSearch=128  0.7383 0.9790 0.9801      0.16186     2079157895    2
k_factor_rf=64,nprobe=1024,quantizer_efSearch=128 0.7391 0.9806 0.9817      0.19753     4058041610    2
k_factor_rf=64,nprobe=512,quantizer_efSearch=512  0.7398 0.9810 0.9821      0.20309     2074551588    2
k_factor_rf=64,nprobe=1024,quantizer_efSearch=256 0.7410 0.9829 0.9840      0.21607     4076463603    2
`OPQ16_64,IVF262144_HNSW32,PQ16x4fsr,Refine(OPQ56_112,PQ56)`
Index size 7375380370code_size 64
log filename: autotune.dbbigann100M.OPQ16_64_IVF262144_HNSW32_PQ16x4fsr_Refine_OPQ56_112_PQ56_.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                  0.7453 0.9946 0.9957      0.35983     4069547543    1
k_factor_rf=1,nprobe=1,quantizer_efSearch=4       0.1918 0.2139 0.2139      0.00391        4331715    77
k_factor_rf=4,nprobe=8,quantizer_efSearch=8       0.4775 0.5848 0.5851      0.01116       34600621    27
k_factor_rf=1,nprobe=8,quantizer_efSearch=64      0.5015 0.6083 0.6084      0.01461       34443875    21
k_factor_rf=1,nprobe=16,quantizer_efSearch=64     0.5773 0.7160 0.7161      0.01631       68771398    19
k_factor_rf=2,nprobe=16,quantizer_efSearch=64     0.5829 0.7288 0.7292      0.01816       68771398    17
k_factor_rf=2,nprobe=32,quantizer_efSearch=64     0.6439 0.8219 0.8224      0.02130      136726054    15
k_factor_rf=1,nprobe=64,quantizer_efSearch=64     0.6756 0.8595 0.8596      0.02493      271082180    13
k_factor_rf=2,nprobe=64,quantizer_efSearch=64     0.6875 0.8858 0.8862      0.02696      271082180    12
k_factor_rf=4,nprobe=64,quantizer_efSearch=128    0.6922 0.8997 0.9003      0.04012      270948304    8
k_factor_rf=4,nprobe=128,quantizer_efSearch=32    0.7064 0.9252 0.9258      0.05023      537091259    6
k_factor_rf=2,nprobe=128,quantizer_efSearch=128   0.7124 0.9279 0.9283      0.05502      535308688    6
k_factor_rf=4,nprobe=128,quantizer_efSearch=128   0.7172 0.9415 0.9421      0.06035      535308688    5
k_factor_rf=8,nprobe=128,quantizer_efSearch=128   0.7199 0.9478 0.9486      0.06744      535308688    5
k_factor_rf=16,nprobe=128,quantizer_efSearch=128  0.7205 0.9491 0.9500      0.08156      535308688    4
k_factor_rf=2,nprobe=256,quantizer_efSearch=128   0.7253 0.9479 0.9483      0.08749     1055771777    4
k_factor_rf=2,nprobe=256,quantizer_efSearch=256   0.7269 0.9495 0.9499      0.09948     1054948542    4
k_factor_rf=8,nprobe=256,quantizer_efSearch=128   0.7345 0.9741 0.9749      0.09954     1055771777    4
k_factor_rf=8,nprobe=256,quantizer_efSearch=256   0.7358 0.9757 0.9765      0.11299     1054948542    3
k_factor_rf=16,nprobe=256,quantizer_efSearch=256  0.7363 0.9773 0.9782      0.12772     1054948542    3
k_factor_rf=16,nprobe=256,quantizer_efSearch=512  0.7364 0.9774 0.9783      0.16234     1054794892    2
k_factor_rf=4,nprobe=512,quantizer_efSearch=256   0.7385 0.9772 0.9778      0.17728     2074764964    2
k_factor_rf=8,nprobe=512,quantizer_efSearch=256   0.7425 0.9875 0.9883      0.18825     2074764964    2
k_factor_rf=16,nprobe=512,quantizer_efSearch=256  0.7430 0.9897 0.9907      0.19688     2074764964    2
k_factor_rf=16,nprobe=512,quantizer_efSearch=512  0.7434 0.9901 0.9912      0.22200     2073652196    2
k_factor_rf=8,nprobe=1024,quantizer_efSearch=256  0.7443 0.9918 0.9925      0.30227     4074187441    1
k_factor_rf=16,nprobe=1024,quantizer_efSearch=256 0.7450 0.9945 0.9955      0.30992     4074187441    1
k_factor_rf=16,nprobe=1024,quantizer_efSearch=512 0.7453 0.9946 0.9957      0.35718     4069547543    1
k_factor_rf=32,nprobe=1024,quantizer_efSearch=512 0.7454 0.9955 0.9966      0.38318     4069547543    1
`OPQ16_64,IVF262144(IVF512,PQ32x4fs,RFlat),PQ16x4fs,Refine(OPQ56_112,PQ56)`
Index size 7310615254code_size 64
log filename: autotune.dbbigann100M.OPQ16_64_IVF262144_IVF512_PQ32x4fs_RFlat__PQ16x4fs_Refine_OPQ56_112_PQ56_.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                         0.5110 0.5979 0.5979      0.05156      312417994    6
k_factor_rf=1,nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=4        0.1794 0.1991 0.1991      0.00312        5041061    97
k_factor_rf=1,nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=1        0.2046 0.2288 0.2288      0.00331        8920073    91
k_factor_rf=1,nprobe=2,quantizer_k_factor_rf=16,quantizer_nprobe=2       0.2468 0.2772 0.2772      0.00341        9075278    88
k_factor_rf=1,nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4        0.3316 0.3745 0.3745      0.00364       18175098    83
k_factor_rf=2,nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8        0.3690 0.4253 0.4253      0.00502       18800365    60
k_factor_rf=1,nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=32       0.3837 0.4396 0.4396      0.00589       40269275    51
k_factor_rf=2,nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4        0.3861 0.4466 0.4466      0.00564       35924242    54
k_factor_rf=1,nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=32       0.4288 0.4952 0.4952      0.00588       39881106    51
k_factor_rf=2,nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8        0.4535 0.5363 0.5364      0.00606       36065422    50
k_factor_rf=2,nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16       0.4649 0.5500 0.5501      0.00664       37291922    46
k_factor_rf=1,nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=32      0.4678 0.5431 0.5431      0.00697       74456110    44
k_factor_rf=2,nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8       0.5055 0.6039 0.6039      0.00782       70640358    39
k_factor_rf=2,nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=16      0.5240 0.6239 0.6239      0.00954      141951012    32
k_factor_rf=4,nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16      0.5535 0.6768 0.6770      0.01142       71757964    27
k_factor_rf=2,nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32      0.5756 0.6974 0.6974      0.01351      277669103    23
k_factor_rf=4,nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32      0.5969 0.7398 0.7399      0.01377      142734305    22
k_factor_rf=4,nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32      0.6049 0.7508 0.7509      0.01435      142451190    21
k_factor_rf=4,nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16      0.6177 0.7673 0.7675      0.01670      275783043    18
k_factor_rf=4,nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.6290 0.7791 0.7793      0.02273      542821121    14
k_factor_rf=8,nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=256     0.6318 0.7981 0.7985      0.02762      178124540    11
k_factor_rf=16,nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.6350 0.8089 0.8094      0.03239      140131627    10
k_factor_rf=4,nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=256    0.6358 0.7915 0.7917      0.03589     1118265041    9
k_factor_rf=16,nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.6397 0.8184 0.8190      0.03783      274935557    8
k_factor_rf=16,nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.6689 0.8584 0.8591      0.03733      275772728    9
k_factor_rf=8,nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32     0.6821 0.8725 0.8730      0.04108     1066818045    8
k_factor_rf=16,nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.7010 0.9089 0.9096      0.04649      543657965    7
k_factor_rf=16,nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=32    0.7021 0.9114 0.9121      0.05548     1086004930    6
k_factor_rf=16,nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.7136 0.9304 0.9311      0.06216     1067679605    5
k_factor_rf=32,nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=128   0.7152 0.9380 0.9388      0.07620      556787332    4
k_factor_rf=32,nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=128   0.7187 0.9442 0.9450      0.08498     1098060136    4
k_factor_rf=32,nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.7268 0.9559 0.9568      0.10360     2093474403    3
k_factor_rf=32,nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=128   0.7327 0.9666 0.9675      0.11898     2097186949    3
k_factor_rf=64,nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128   0.7344 0.9706 0.9716      0.14266     1079141589    3
k_factor_rf=64,nprobe=512,quantizer_k_factor_rf=16,quantizer_nprobe=64   0.7396 0.9809 0.9819      0.20441     2089279965    2
k_factor_rf=64,nprobe=1024,quantizer_k_factor_rf=16,quantizer_nprobe=256 0.7415 0.9844 0.9855      0.28622     4113486717    2
`OPQ16_64,IVF262144(IVF512,PQ32x4fs,RFlat),PQ16x4fsr,Refine(OPQ56_112,PQ56)`
Index size 7310543062code_size 64
log filename: autotune.dbbigann100M.OPQ16_64_IVF262144_IVF512_PQ32x4fs_RFlat__PQ16x4fsr_Refine_OPQ56_112_PQ56_.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                         0.6082 0.7596 0.7599      0.01563      158932568    20
k_factor_rf=1,nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=1        0.1309 0.1446 0.1446      0.00361        4564247    84
k_factor_rf=1,nprobe=1,quantizer_k_factor_rf=32,quantizer_nprobe=4       0.2016 0.2235 0.2235      0.00411        5035637    73
k_factor_rf=1,nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=8       0.2095 0.2322 0.2322      0.00424        5702690    71
k_factor_rf=1,nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8        0.2962 0.3365 0.3365      0.00428       10036808    71
k_factor_rf=1,nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=2        0.3351 0.3924 0.3925      0.00467       17812963    65
k_factor_rf=1,nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=8       0.3980 0.4677 0.4678      0.00543       18708173    56
k_factor_rf=1,nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8        0.4388 0.5253 0.5254      0.00551       36402773    55
k_factor_rf=1,nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8        0.4867 0.5891 0.5893      0.00587       36044031    52
k_factor_rf=1,nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=16       0.4975 0.6035 0.6037      0.00691       37259566    44
k_factor_rf=1,nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8       0.5586 0.6897 0.6899      0.00844       70611274    36
k_factor_rf=2,nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16      0.5764 0.7198 0.7201      0.01009       71764477    30
k_factor_rf=2,nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8       0.6119 0.7745 0.7748      0.01239      139465591    25
k_factor_rf=1,nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=128     0.6304 0.7942 0.7944      0.01627      157608424    19
k_factor_rf=2,nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=8       0.6464 0.8245 0.8249      0.01840      275249090    17
k_factor_rf=1,nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=64      0.6557 0.8296 0.8299      0.01840      285371339    17
k_factor_rf=1,nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32      0.6740 0.8570 0.8573      0.01937      276969601    16
k_factor_rf=1,nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=128     0.6763 0.8610 0.8613      0.02357      291914105    13
k_factor_rf=2,nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=128     0.6884 0.8887 0.8891      0.02566      291903833    12
k_factor_rf=4,nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32      0.6905 0.8952 0.8958      0.02517      276930018    12
k_factor_rf=4,nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64      0.6941 0.9005 0.9011      0.02963      281525114    11
k_factor_rf=8,nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=128     0.6949 0.9044 0.9052      0.03747      291870105    9
k_factor_rf=8,nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=256     0.6950 0.9044 0.9052      0.04546      312043368    7
k_factor_rf=4,nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=32     0.7138 0.9342 0.9349      0.04893      542964510    7
k_factor_rf=16,nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.7160 0.9425 0.9434      0.07083      543013213    5
k_factor_rf=2,nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128    0.7247 0.9469 0.9473      0.07671     1077759057    4
k_factor_rf=4,nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=256    0.7281 0.9558 0.9565      0.08796     1115559155    4
k_factor_rf=8,nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=128    0.7303 0.9630 0.9640      0.08830     1095046815    4
k_factor_rf=8,nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.7318 0.9679 0.9688      0.09347     1064357112    4
k_factor_rf=16,nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128   0.7367 0.9775 0.9784      0.10675     1077759057    3
k_factor_rf=16,nprobe=256,quantizer_k_factor_rf=16,quantizer_nprobe=64   0.7371 0.9783 0.9792      0.13140     1067153484    3
k_factor_rf=8,nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=256    0.7432 0.9878 0.9888      0.17523     2116365153    2
k_factor_rf=16,nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=128   0.7435 0.9909 0.9920      0.18314     2096255082    2
k_factor_rf=32,nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.7436 0.9911 0.9921      0.21065     2088297677    2
k_factor_rf=64,nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=256   0.7440 0.9920 0.9931      0.29651     2115686139    2
k_factor_rf=8,nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.7448 0.9912 0.9922      0.28804     4088884917    2
k_factor_rf=64,nprobe=1024,quantizer_k_factor_rf=8,quantizer_nprobe=64   0.7460 0.9960 0.9970      0.42883     4088873519    1
k_factor_rf=32,nprobe=1024,quantizer_k_factor_rf=32,quantizer_nprobe=128 0.7462 0.9966 0.9977      0.53516     4092045003    1
k_factor_rf=64,nprobe=1024,quantizer_k_factor_rf=32,quantizer_nprobe=256 0.7463 0.9968 0.9979      0.63911     4111212784    1
`OPQ16_64,IVF65536_HNSW32,PQ16x4fs,Refine(OPQ56_112,PQ56)`
Index size 7243992210code_size 64
log filename: autotune.dbbigann100M.OPQ16_64_IVF65536_HNSW32_PQ16x4fs_Refine_OPQ56_112_PQ56_.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                 0.7277 0.9563 0.9572      0.08816     4112395032    4
k_factor_rf=1,nprobe=1,quantizer_efSearch=8      0.2419 0.2705 0.2705      0.00310       17140935    97
k_factor_rf=1,nprobe=2,quantizer_efSearch=4      0.3034 0.3409 0.3409      0.00322       34435848    94
k_factor_rf=1,nprobe=2,quantizer_efSearch=8      0.3273 0.3680 0.3680      0.00340       34324815    89
k_factor_rf=1,nprobe=4,quantizer_efSearch=4      0.3614 0.4112 0.4112      0.00399       68802327    76
k_factor_rf=1,nprobe=4,quantizer_efSearch=8      0.3915 0.4473 0.4473      0.00430       68705757    70
k_factor_rf=1,nprobe=4,quantizer_efSearch=16     0.3990 0.4560 0.4560      0.00455       68545209    66
k_factor_rf=1,nprobe=8,quantizer_efSearch=8      0.4459 0.5132 0.5132      0.00538      137135674    56
k_factor_rf=1,nprobe=8,quantizer_efSearch=16     0.4576 0.5269 0.5269      0.00550      136858530    55
k_factor_rf=1,nprobe=16,quantizer_efSearch=4     0.4596 0.5305 0.5305      0.00687      272594185    44
k_factor_rf=2,nprobe=8,quantizer_efSearch=8      0.4920 0.5837 0.5838      0.00703      137135674    43
k_factor_rf=2,nprobe=8,quantizer_efSearch=16     0.5043 0.5987 0.5988      0.00712      136858530    43
k_factor_rf=2,nprobe=16,quantizer_efSearch=8     0.5391 0.6411 0.6413      0.00865      272310057    35
k_factor_rf=2,nprobe=16,quantizer_efSearch=16    0.5459 0.6514 0.6515      0.00872      271992392    35
k_factor_rf=2,nprobe=16,quantizer_efSearch=32    0.5504 0.6575 0.6576      0.00922      271722887    33
k_factor_rf=2,nprobe=32,quantizer_efSearch=8     0.5516 0.6564 0.6565      0.01066      540138468    29
k_factor_rf=2,nprobe=32,quantizer_efSearch=16    0.5685 0.6765 0.6766      0.01028      539200661    30
k_factor_rf=4,nprobe=16,quantizer_efSearch=8     0.5824 0.7105 0.7108      0.01144      272310057    27
k_factor_rf=4,nprobe=16,quantizer_efSearch=32    0.5958 0.7290 0.7293      0.01246      271722887    25
k_factor_rf=4,nprobe=32,quantizer_efSearch=16    0.6204 0.7617 0.7621      0.01378      539200661    22
k_factor_rf=4,nprobe=32,quantizer_efSearch=32    0.6274 0.7712 0.7716      0.01380      538452919    22
k_factor_rf=4,nprobe=64,quantizer_efSearch=64    0.6395 0.7904 0.7907      0.01959     1062978337    16
k_factor_rf=4,nprobe=128,quantizer_efSearch=64   0.6404 0.7926 0.7929      0.02239     2092545141    14
k_factor_rf=8,nprobe=32,quantizer_efSearch=16    0.6501 0.8186 0.8190      0.02261      539200661    14
k_factor_rf=8,nprobe=32,quantizer_efSearch=32    0.6570 0.8285 0.8289      0.02322      538452919    13
k_factor_rf=8,nprobe=32,quantizer_efSearch=64    0.6588 0.8309 0.8313      0.02408      538165850    13
k_factor_rf=8,nprobe=64,quantizer_efSearch=64    0.6749 0.8578 0.8582      0.02703     1062978337    12
k_factor_rf=8,nprobe=128,quantizer_efSearch=64   0.6828 0.8679 0.8684      0.03161     2092545141    10
k_factor_rf=16,nprobe=64,quantizer_efSearch=16   0.6872 0.8865 0.8870      0.04013     1065694383    8
k_factor_rf=16,nprobe=64,quantizer_efSearch=64   0.6994 0.9055 0.9060      0.04141     1062978337    8
k_factor_rf=16,nprobe=128,quantizer_efSearch=64  0.7085 0.9186 0.9192      0.05021     2092545141    7
k_factor_rf=16,nprobe=256,quantizer_efSearch=64  0.7098 0.9208 0.9214      0.05397     4112395032    6
k_factor_rf=16,nprobe=256,quantizer_efSearch=128 0.7124 0.9245 0.9251      0.05655     4106261213    6
k_factor_rf=32,nprobe=64,quantizer_efSearch=128  0.7130 0.9327 0.9338      0.06981     1062642815    5
k_factor_rf=32,nprobe=128,quantizer_efSearch=64  0.7249 0.9512 0.9521      0.08078     2092545141    4
k_factor_rf=32,nprobe=128,quantizer_efSearch=128 0.7266 0.9537 0.9546      0.07795     2091110918    4
k_factor_rf=32,nprobe=256,quantizer_efSearch=64  0.7277 0.9563 0.9572      0.09397     4112395032    4
k_factor_rf=32,nprobe=256,quantizer_efSearch=128 0.7300 0.9595 0.9604      0.08953     4106261213    4
k_factor_rf=32,nprobe=256,quantizer_efSearch=256 0.7305 0.9601 0.9610      0.10006     4104350194    3
k_factor_rf=32,nprobe=512,quantizer_efSearch=256 0.7308 0.9602 0.9611      0.12104     8046518018    3
k_factor_rf=64,nprobe=128,quantizer_efSearch=64  0.7312 0.9665 0.9680      0.14208     2092545141    3
k_factor_rf=64,nprobe=128,quantizer_efSearch=256 0.7337 0.9697 0.9712      0.15012     2090848074    2
k_factor_rf=64,nprobe=256,quantizer_efSearch=64  0.7359 0.9747 0.9762      0.15977     4112395032    2
k_factor_rf=64,nprobe=256,quantizer_efSearch=128 0.7386 0.9783 0.9798      0.15988     4106261213    2
k_factor_rf=64,nprobe=512,quantizer_efSearch=128 0.7399 0.9798 0.9813      0.17167     8056058192    2
k_factor_rf=64,nprobe=512,quantizer_efSearch=512 0.7408 0.9812 0.9827      0.20381     8043825921    2
`OPQ16_64,IVF65536_HNSW32,PQ16x4fsr,Refine(OPQ56_112,PQ56)`
Index size 7243999634code_size 64
log filename: autotune.dbbigann100M.OPQ16_64_IVF65536_HNSW32_PQ16x4fsr_Refine_OPQ56_112_PQ56_.e.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                  0.7475 0.9968 0.9977      0.35904    15746373499    1
k_factor_rf=1,nprobe=1,quantizer_efSearch=4       0.2445 0.2815 0.2815      0.00379       17147417    80
k_factor_rf=1,nprobe=1,quantizer_efSearch=64      0.2581 0.2979 0.2979      0.00807       17098067    38
k_factor_rf=1,nprobe=2,quantizer_efSearch=64      0.3631 0.4283 0.4283      0.00862       34226704    35
k_factor_rf=1,nprobe=4,quantizer_efSearch=64      0.4656 0.5613 0.5614      0.00957       68495782    32
k_factor_rf=1,nprobe=8,quantizer_efSearch=64      0.5557 0.6866 0.6867      0.01105      136746420    28
k_factor_rf=2,nprobe=8,quantizer_efSearch=64      0.5630 0.7037 0.7038      0.01284      136746420    24
k_factor_rf=1,nprobe=16,quantizer_efSearch=64     0.6259 0.7805 0.7806      0.01361      271553752    23
k_factor_rf=4,nprobe=16,quantizer_efSearch=64     0.6424 0.8202 0.8207      0.01920      271553752    16
k_factor_rf=1,nprobe=32,quantizer_efSearch=128    0.6663 0.8382 0.8383      0.02240      537870590    14
k_factor_rf=2,nprobe=32,quantizer_efSearch=128    0.6802 0.8729 0.8731      0.02468      537870590    13
k_factor_rf=1,nprobe=64,quantizer_efSearch=128    0.6916 0.8742 0.8743      0.02814     1062274227    11
k_factor_rf=2,nprobe=64,quantizer_efSearch=128    0.7092 0.9164 0.9168      0.03047     1062274227    10
k_factor_rf=4,nprobe=64,quantizer_efSearch=128    0.7167 0.9379 0.9386      0.03532     1062274227    9
k_factor_rf=4,nprobe=128,quantizer_efSearch=32    0.7264 0.9538 0.9545      0.05568     2095553316    6
k_factor_rf=4,nprobe=128,quantizer_efSearch=128   0.7327 0.9628 0.9635      0.06037     2090578799    5
k_factor_rf=4,nprobe=128,quantizer_efSearch=256   0.7329 0.9631 0.9638      0.06774     2090283210    5
k_factor_rf=8,nprobe=128,quantizer_efSearch=128   0.7356 0.9752 0.9760      0.06931     2090578799    5
k_factor_rf=16,nprobe=128,quantizer_efSearch=128  0.7366 0.9790 0.9799      0.08645     2090578799    4
k_factor_rf=16,nprobe=128,quantizer_efSearch=256  0.7368 0.9793 0.9802      0.09508     2090283210    4
k_factor_rf=8,nprobe=256,quantizer_efSearch=128   0.7429 0.9863 0.9871      0.10039     4105326767    3
k_factor_rf=8,nprobe=256,quantizer_efSearch=256   0.7431 0.9867 0.9875      0.11427     4103470314    3
k_factor_rf=16,nprobe=256,quantizer_efSearch=128  0.7444 0.9913 0.9922      0.11839     4105326767    3
k_factor_rf=16,nprobe=256,quantizer_efSearch=256  0.7447 0.9917 0.9926      0.13010     4103470314    3
k_factor_rf=8,nprobe=512,quantizer_efSearch=256   0.7456 0.9901 0.9908      0.18311     8044343409    2
k_factor_rf=8,nprobe=512,quantizer_efSearch=512   0.7457 0.9902 0.9909      0.20005     8041645618    2
k_factor_rf=16,nprobe=512,quantizer_efSearch=128  0.7467 0.9953 0.9962      0.19293     8053693667    2
k_factor_rf=16,nprobe=512,quantizer_efSearch=256  0.7472 0.9959 0.9968      0.20580     8044343409    2
k_factor_rf=16,nprobe=512,quantizer_efSearch=512  0.7473 0.9960 0.9969      0.22616     8041645618    2
k_factor_rf=32,nprobe=512,quantizer_efSearch=256  0.7476 0.9969 0.9980      0.23672     8044343409    2
k_factor_rf=32,nprobe=512,quantizer_efSearch=512  0.7477 0.9970 0.9981      0.25507     8041645618    2
k_factor_rf=32,nprobe=1024,quantizer_efSearch=512 0.7481 0.9980 0.9991      0.38272    15746373499    1
`OPQ56_112,IVF1048576_HNSW32,PQ7+56`
Index size 7863799516code_size 63
log filename: autotune.dbbigann100M.OPQ56_112_IVF1048576_HNSW32_PQ7+56.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                     0.6386 0.8309 0.8314      0.09539              0    4
nprobe=4,quantizer_efSearch=4,ht=56,k_factor=1       0.2711 0.3086 0.3086      0.00628              0    48
nprobe=4,quantizer_efSearch=8,ht=56,k_factor=1       0.3126 0.3585 0.3585      0.00730              0    42
nprobe=8,quantizer_efSearch=4,ht=56,k_factor=1       0.3782 0.4448 0.4448      0.00869              0    35
nprobe=16,quantizer_efSearch=4,ht=56,k_factor=1      0.4366 0.5228 0.5229      0.01166              0    26
nprobe=16,quantizer_efSearch=8,ht=56,k_factor=1      0.4731 0.5708 0.5709      0.01300              0    24
nprobe=16,quantizer_efSearch=16,ht=56,k_factor=1     0.4891 0.5908 0.5909      0.01429              0    21
nprobe=16,quantizer_efSearch=16,ht=56,k_factor=2     0.4960 0.6041 0.6042      0.01716              0    18
nprobe=32,quantizer_efSearch=8,ht=56,k_factor=1      0.5198 0.6353 0.6355      0.01895              0    16
nprobe=32,quantizer_efSearch=32,ht=56,k_factor=1     0.5573 0.6890 0.6893      0.02297              0    14
nprobe=32,quantizer_efSearch=32,ht=56,k_factor=2     0.5704 0.7145 0.7148      0.02619              0    12
nprobe=32,quantizer_efSearch=32,ht=56,k_factor=4     0.5747 0.7259 0.7262      0.03203              0    10
nprobe=64,quantizer_efSearch=16,ht=56,k_factor=1     0.5751 0.7169 0.7171      0.03137              0    10
nprobe=32,quantizer_efSearch=64,ht=56,k_factor=2     0.5759 0.7224 0.7227      0.03280              0    10
nprobe=64,quantizer_efSearch=16,ht=56,k_factor=2     0.5934 0.7543 0.7545      0.03472              0    9
nprobe=64,quantizer_efSearch=64,ht=56,k_factor=1     0.6035 0.7577 0.7580      0.04244              0    8
nprobe=64,quantizer_efSearch=64,ht=56,k_factor=2     0.6250 0.7997 0.8000      0.04470              0    7
nprobe=64,quantizer_efSearch=128,ht=56,k_factor=2    0.6279 0.8033 0.8036      0.05637              0    6
nprobe=64,quantizer_efSearch=64,ht=56,k_factor=8     0.6356 0.8260 0.8265      0.06329              0    5
nprobe=64,quantizer_efSearch=128,ht=56,k_factor=8    0.6386 0.8297 0.8302      0.07210              0    5
nprobe=128,quantizer_efSearch=64,ht=56,k_factor=2    0.6527 0.8468 0.8472      0.08588              0    4
nprobe=128,quantizer_efSearch=128,ht=56,k_factor=2   0.6581 0.8543 0.8547      0.09753              0    4
nprobe=128,quantizer_efSearch=128,ht=56,k_factor=4   0.6715 0.8862 0.8867      0.10316              0    3
nprobe=128,quantizer_efSearch=128,ht=56,k_factor=8   0.6758 0.8980 0.8988      0.11656              0    3
nprobe=256,quantizer_efSearch=64,ht=56,k_factor=4    0.6788 0.9043 0.9051      0.12211              0    3
nprobe=256,quantizer_efSearch=64,ht=56,k_factor=8    0.6851 0.9228 0.9240      0.13369              0    3
nprobe=256,quantizer_efSearch=128,ht=56,k_factor=8   0.6939 0.9366 0.9377      0.14433              0    3
nprobe=256,quantizer_efSearch=256,ht=56,k_factor=16  0.6970 0.9444 0.9459      0.19033              0    2
nprobe=256,quantizer_efSearch=256,ht=56,k_factor=32  0.6973 0.9456 0.9471      0.24253              0    2
nprobe=512,quantizer_efSearch=128,ht=56,k_factor=16  0.7038 0.9625 0.9643      0.26123              0    2
nprobe=512,quantizer_efSearch=256,ht=56,k_factor=16  0.7071 0.9690 0.9709      0.28402              0    2
nprobe=512,quantizer_efSearch=512,ht=56,k_factor=16  0.7075 0.9702 0.9721      0.32148              0    1
nprobe=512,quantizer_efSearch=512,ht=56,k_factor=32  0.7079 0.9731 0.9750      0.37408              0    1
nprobe=1024,quantizer_efSearch=512,ht=56,k_factor=16 0.7128 0.9828 0.9848      0.52243              0    1
nprobe=2048,quantizer_efSearch=256,ht=56,k_factor=32 0.7138 0.9867 0.9894      0.88707              0    1
nprobe=2048,quantizer_efSearch=512,ht=56,k_factor=32 0.7149 0.9902 0.9931      0.96037              0    1
nprobe=4096,quantizer_efSearch=512,ht=56,k_factor=32 0.7154 0.9911 0.9941      1.68982              0    1
`OPQ56_112,IVF1048576(IVF1024,PQ56x4fs,RFlat),PQ7+56`
Index size 7617111584code_size 63
log filename: autotune.dbbigann100M.OPQ56_112_IVF1048576_IVF1024_PQ56x4fs_RFlat__PQ7+56.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                            0.4997 0.6035 0.6035      0.02029       10808578    15
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=2,ht=56,k_factor=1        0.1419 0.1545 0.1545      0.00538         725363    56
nprobe=1,quantizer_k_factor_rf=32,quantizer_nprobe=2,ht=56,k_factor=2       0.1449 0.1578 0.1578      0.00630         724759    48
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=4,ht=56,k_factor=2       0.1524 0.1663 0.1663      0.00629        1443245    48
nprobe=2,quantizer_k_factor_rf=16,quantizer_nprobe=2,ht=56,k_factor=1       0.2087 0.2320 0.2320      0.00625         725648    49
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=1,ht=56,k_factor=1        0.2229 0.2517 0.2517      0.00659         366873    46
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4,ht=56,k_factor=2        0.2237 0.2509 0.2509      0.00812        1442932    37
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=8,ht=56,k_factor=2        0.2304 0.2595 0.2595      0.00845        2845699    36
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=1,ht=56,k_factor=1        0.2652 0.3060 0.3060      0.00918         366499    33
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=32,ht=56,k_factor=1       0.2780 0.3157 0.3157      0.00930       10858488    33
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4,ht=56,k_factor=2        0.2937 0.3360 0.3360      0.00932        1444163    33
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=56,k_factor=1       0.4077 0.4782 0.4782      0.01068        5566355    29
nprobe=8,quantizer_k_factor_rf=32,quantizer_nprobe=16,ht=56,k_factor=2      0.4187 0.4973 0.4973      0.01667        5572151    19
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8,ht=56,k_factor=2       0.4502 0.5396 0.5397      0.01711        2848147    18
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16,ht=56,k_factor=2      0.4999 0.6104 0.6105      0.01896        5572151    16
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=8,ht=56,k_factor=2       0.5145 0.6348 0.6349      0.02760        2839882    11
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=56,k_factor=1      0.5574 0.6870 0.6872      0.02631        5572151    12
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=64,ht=56,k_factor=2      0.5729 0.7155 0.7158      0.03106       21253370    10
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=128,ht=56,k_factor=2     0.5783 0.7243 0.7246      0.03611       41878138    9
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64,ht=56,k_factor=4      0.5839 0.7349 0.7354      0.03810       20886219    8
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=32,ht=56,k_factor=1      0.6066 0.7589 0.7591      0.04796       10878384    7
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=64,ht=56,k_factor=4      0.6098 0.7786 0.7793      0.05582       21210158    6
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=256,ht=56,k_factor=4     0.6390 0.8252 0.8259      0.07373       81471807    5
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=16,ht=56,k_factor=4     0.6412 0.8301 0.8308      0.08455        5572151    4
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64,ht=56,k_factor=4     0.6764 0.8876 0.8884      0.09408       20316011    4
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=128,ht=56,k_factor=4    0.6767 0.8882 0.8890      0.10396       40140507    3
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=512,ht=56,k_factor=4   0.6770 0.8883 0.8891      0.14116      162164986    3
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=128,ht=56,k_factor=4    0.6837 0.9033 0.9042      0.15835       40557718    2
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=256,ht=56,k_factor=4    0.6937 0.9207 0.9216      0.16927       82494674    2
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=256,ht=56,k_factor=4    0.6945 0.9223 0.9233      0.18874       82494674    2
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=64,ht=56,k_factor=16    0.7004 0.9445 0.9458      0.20459       20964653    2
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=128,ht=56,k_factor=32   0.7013 0.9470 0.9485      0.27156       41878138    2
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=512,ht=56,k_factor=32   0.7015 0.9472 0.9487      0.27982      163862211    2
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=512,ht=56,k_factor=16   0.7130 0.9733 0.9750      0.37744      163862211    1
nprobe=512,quantizer_k_factor_rf=32,quantizer_nprobe=128,ht=56,k_factor=32  0.7132 0.9749 0.9769      0.71052       41878138    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=128,ht=56,k_factor=8   0.7133 0.9725 0.9741      0.56581       41878138    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=256,ht=56,k_factor=16  0.7170 0.9843 0.9864      0.60011       82494674    1
nprobe=1024,quantizer_k_factor_rf=8,quantizer_nprobe=256,ht=56,k_factor=32  0.7178 0.9884 0.9910      0.71824       82494674    1
nprobe=2048,quantizer_k_factor_rf=1,quantizer_nprobe=512,ht=56,k_factor=16  0.7181 0.9860 0.9882      1.13092      163862211    1
nprobe=2048,quantizer_k_factor_rf=2,quantizer_nprobe=128,ht=56,k_factor=16  0.7184 0.9875 0.9897      1.13135       41878138    1
nprobe=2048,quantizer_k_factor_rf=4,quantizer_nprobe=128,ht=56,k_factor=32  0.7195 0.9924 0.9954      1.20608       41878138    1
nprobe=2048,quantizer_k_factor_rf=2,quantizer_nprobe=256,ht=56,k_factor=64  0.7197 0.9933 0.9964      1.30949       82494674    1
nprobe=2048,quantizer_k_factor_rf=64,quantizer_nprobe=256,ht=56,k_factor=32 0.7198 0.9928 0.9958      2.60780       82494674    1
`OPQ56_112,IVF262144_HNSW32,PQ7+56`
Index size 7291167708code_size 63
log filename: autotune.dbbigann100M.OPQ56_112_IVF262144_HNSW32_PQ7+56.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                     0.7252 0.9316 0.9322      0.08252              0    4
nprobe=1,quantizer_efSearch=8,ht=56,k_factor=1       0.2122 0.2303 0.2303      0.00620              0    49
nprobe=4,quantizer_efSearch=8,ht=56,k_factor=1       0.4013 0.4547 0.4547      0.00674              0    45
nprobe=8,quantizer_efSearch=4,ht=56,k_factor=1       0.4653 0.5360 0.5360      0.00714              0    43
nprobe=16,quantizer_efSearch=4,ht=56,k_factor=1      0.5171 0.6045 0.6045      0.00864              0    35
nprobe=16,quantizer_efSearch=8,ht=56,k_factor=1      0.5512 0.6482 0.6482      0.00934              0    33
nprobe=16,quantizer_efSearch=16,ht=56,k_factor=1     0.5651 0.6654 0.6654      0.01026              0    30
nprobe=16,quantizer_efSearch=32,ht=56,k_factor=1     0.5708 0.6743 0.6743      0.01311              0    23
nprobe=32,quantizer_efSearch=8,ht=56,k_factor=1      0.5863 0.6971 0.6971      0.01215              0    25
nprobe=32,quantizer_efSearch=32,ht=56,k_factor=1     0.6190 0.7411 0.7411      0.01590              0    19
nprobe=32,quantizer_efSearch=16,ht=56,k_factor=2     0.6409 0.7795 0.7795      0.01713              0    18
nprobe=32,quantizer_efSearch=32,ht=56,k_factor=2     0.6471 0.7909 0.7910      0.01885              0    16
nprobe=32,quantizer_efSearch=16,ht=56,k_factor=4     0.6542 0.8058 0.8059      0.02319              0    13
nprobe=64,quantizer_efSearch=16,ht=56,k_factor=2     0.6641 0.8147 0.8147      0.02218              0    14
nprobe=64,quantizer_efSearch=64,ht=56,k_factor=2     0.6809 0.8411 0.8411      0.02913              0    11
nprobe=64,quantizer_efSearch=128,ht=56,k_factor=2    0.6827 0.8437 0.8437      0.03761              0    8
nprobe=128,quantizer_efSearch=32,ht=56,k_factor=2    0.6882 0.8522 0.8522      0.03616              0    9
nprobe=128,quantizer_efSearch=64,ht=56,k_factor=2    0.6948 0.8619 0.8619      0.04103              0    8
nprobe=128,quantizer_efSearch=32,ht=56,k_factor=4    0.7116 0.8990 0.8992      0.04242              0    8
nprobe=128,quantizer_efSearch=64,ht=56,k_factor=4    0.7190 0.9099 0.9101      0.04707              0    7
nprobe=128,quantizer_efSearch=128,ht=56,k_factor=4   0.7217 0.9140 0.9142      0.05591              0    6
nprobe=128,quantizer_efSearch=32,ht=56,k_factor=8    0.7223 0.9223 0.9227      0.05845              0    6
nprobe=128,quantizer_efSearch=64,ht=56,k_factor=8    0.7303 0.9344 0.9349      0.06183              0    5
nprobe=128,quantizer_efSearch=128,ht=56,k_factor=8   0.7331 0.9390 0.9394      0.06648              0    5
nprobe=256,quantizer_efSearch=64,ht=56,k_factor=8    0.7403 0.9512 0.9517      0.08898              0    4
nprobe=256,quantizer_efSearch=128,ht=56,k_factor=8   0.7441 0.9587 0.9592      0.09523              0    4
nprobe=256,quantizer_efSearch=256,ht=56,k_factor=16  0.7512 0.9739 0.9747      0.13173              0    3
nprobe=256,quantizer_efSearch=512,ht=56,k_factor=16  0.7515 0.9744 0.9752      0.16755              0    2
nprobe=512,quantizer_efSearch=128,ht=56,k_factor=16  0.7535 0.9799 0.9807      0.17316              0    2
nprobe=512,quantizer_efSearch=256,ht=56,k_factor=16  0.7553 0.9818 0.9826      0.18747              0    2
nprobe=512,quantizer_efSearch=512,ht=56,k_factor=16  0.7557 0.9826 0.9834      0.21673              0    2
nprobe=512,quantizer_efSearch=256,ht=56,k_factor=32  0.7572 0.9878 0.9888      0.24045              0    2
nprobe=512,quantizer_efSearch=512,ht=56,k_factor=32  0.7576 0.9886 0.9896      0.27440              0    2
nprobe=512,quantizer_efSearch=256,ht=56,k_factor=64  0.7581 0.9902 0.9912      0.34404              0    1
nprobe=512,quantizer_efSearch=512,ht=56,k_factor=64  0.7585 0.9912 0.9922      0.36442              0    1
nprobe=1024,quantizer_efSearch=256,ht=56,k_factor=64 0.7604 0.9943 0.9954      0.43635              0    1
nprobe=4096,quantizer_efSearch=512,ht=56,k_factor=64 0.7610 0.9966 0.9977      1.05467              0    1
`OPQ56_112,IVF262144(IVF512,PQ56x4fs,RFlat),PQ7+56`
Index size 7229733536code_size 63
log filename: autotune.dbbigann100M.OPQ56_112_IVF262144_IVF512_PQ56x4fs_RFlat__PQ7+56.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                           0.7009 0.8847 0.8848      0.04226       20804490    8
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=2,ht=56,k_factor=1       0.1805 0.1977 0.1977      0.00517         353262    59
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1,ht=56,k_factor=1       0.1952 0.2164 0.2164      0.00550         178105    55
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=8,ht=56,k_factor=1       0.2141 0.2336 0.2336      0.00553        1393803    55
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=8,ht=56,k_factor=1       0.2668 0.2962 0.2962      0.00559        1392164    54
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4,ht=56,k_factor=1       0.3889 0.4391 0.4392      0.00572         705927    53
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8,ht=56,k_factor=1       0.4013 0.4562 0.4563      0.00604        1395392    50
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=56,k_factor=1      0.4954 0.5769 0.5770      0.00728        2731333    42
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16,ht=56,k_factor=1     0.5668 0.6708 0.6709      0.01017        2722970    30
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=32,ht=56,k_factor=2     0.5883 0.7076 0.7077      0.01346        5360744    23
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=32,ht=56,k_factor=1     0.5951 0.7127 0.7128      0.01359        5360744    23
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8,ht=56,k_factor=2      0.6217 0.7577 0.7578      0.01584        1392979    19
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8,ht=56,k_factor=4      0.6331 0.7791 0.7792      0.02184        1395392    14
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=128,ht=56,k_factor=2    0.6478 0.7951 0.7952      0.02125       20804490    15
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=128,ht=56,k_factor=2    0.6505 0.7989 0.7990      0.02196       20711925    14
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=56,k_factor=4     0.6532 0.8109 0.8110      0.02258        2725241    14
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16,ht=56,k_factor=4     0.6897 0.8674 0.8675      0.02980        2731333    11
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=64,ht=56,k_factor=4     0.6978 0.8810 0.8811      0.03252       10553518    10
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=128,ht=56,k_factor=4   0.7009 0.8847 0.8848      0.04213       20804490    8
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=32,ht=56,k_factor=4    0.7171 0.9104 0.9105      0.05204        5332479    6
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=128,ht=56,k_factor=4   0.7274 0.9294 0.9295      0.08679       20804490    4
nprobe=128,quantizer_k_factor_rf=32,quantizer_nprobe=128,ht=56,k_factor=8  0.7298 0.9391 0.9393      0.09602       20804490    4
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=256,ht=56,k_factor=16  0.7313 0.9464 0.9468      0.09062       41216679    4
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=256,ht=56,k_factor=8   0.7400 0.9587 0.9590      0.09777       41216679    4
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=256,ht=56,k_factor=8   0.7403 0.9592 0.9595      0.10015       40793196    3
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64,ht=56,k_factor=16   0.7449 0.9735 0.9739      0.11499       10553518    3
nprobe=256,quantizer_k_factor_rf=16,quantizer_nprobe=256,ht=56,k_factor=16 0.7454 0.9741 0.9745      0.15025       41216679    2
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=256,ht=56,k_factor=32  0.7472 0.9795 0.9800      0.17336       41216679    2
nprobe=256,quantizer_k_factor_rf=16,quantizer_nprobe=256,ht=56,k_factor=32 0.7476 0.9799 0.9804      0.20365       41216679    2
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=256,ht=56,k_factor=32  0.7517 0.9910 0.9916      0.23645       41216679    2
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=256,ht=56,k_factor=64  0.7522 0.9926 0.9933      0.35915       41216679    1
nprobe=2048,quantizer_k_factor_rf=2,quantizer_nprobe=64,ht=56,k_factor=32  0.7537 0.9944 0.9950      0.56610       10553518    1
nprobe=2048,quantizer_k_factor_rf=4,quantizer_nprobe=128,ht=56,k_factor=32 0.7545 0.9962 0.9968      0.60069       20804490    1
nprobe=2048,quantizer_k_factor_rf=4,quantizer_nprobe=128,ht=56,k_factor=64 0.7551 0.9984 0.9991      0.69562       20804490    1
`OPQ56_112,IVF65536_HNSW32,PQ7+56`
Index size 7148008924code_size 63
log filename: autotune.dbbigann100M.OPQ56_112_IVF65536_HNSW32_PQ7+56.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                     0.7831 0.9598 0.9599      0.11765              0    3
nprobe=1,quantizer_efSearch=8,ht=56,k_factor=1       0.2669 0.2919 0.2919      0.00562              0    54
nprobe=2,quantizer_efSearch=8,ht=56,k_factor=1       0.3719 0.4127 0.4127      0.00622              0    49
nprobe=4,quantizer_efSearch=4,ht=56,k_factor=1       0.4254 0.4762 0.4762      0.00707              0    43
nprobe=4,quantizer_efSearch=8,ht=56,k_factor=1       0.4700 0.5274 0.5274      0.00754              0    40
nprobe=4,quantizer_efSearch=16,ht=56,k_factor=1      0.4790 0.5378 0.5378      0.00830              0    37
nprobe=4,quantizer_efSearch=32,ht=56,k_factor=1      0.4807 0.5396 0.5396      0.00905              0    34
nprobe=8,quantizer_efSearch=4,ht=56,k_factor=1       0.5368 0.6107 0.6107      0.00932              0    33
nprobe=8,quantizer_efSearch=64,ht=56,k_factor=1      0.5692 0.6497 0.6497      0.01291              0    24
nprobe=8,quantizer_efSearch=8,ht=56,k_factor=2       0.5735 0.6614 0.6614      0.01305              0    23
nprobe=16,quantizer_efSearch=4,ht=56,k_factor=1      0.5787 0.6617 0.6617      0.01339              0    23
nprobe=16,quantizer_efSearch=8,ht=56,k_factor=1      0.6040 0.6939 0.6939      0.01322              0    23
nprobe=16,quantizer_efSearch=16,ht=56,k_factor=1     0.6141 0.7067 0.7067      0.01368              0    22
nprobe=16,quantizer_efSearch=32,ht=56,k_factor=1     0.6208 0.7142 0.7142      0.01451              0    21
nprobe=16,quantizer_efSearch=16,ht=56,k_factor=2     0.6506 0.7611 0.7611      0.01755              0    18
nprobe=16,quantizer_efSearch=128,ht=56,k_factor=2    0.6595 0.7719 0.7719      0.02344              0    13
nprobe=16,quantizer_efSearch=16,ht=56,k_factor=4     0.6716 0.7937 0.7938      0.02461              0    13
nprobe=32,quantizer_efSearch=16,ht=56,k_factor=2     0.6894 0.8092 0.8092      0.02517              0    12
nprobe=32,quantizer_efSearch=32,ht=56,k_factor=2     0.6966 0.8189 0.8189      0.02598              0    12
nprobe=32,quantizer_efSearch=128,ht=56,k_factor=2    0.6987 0.8225 0.8225      0.03180              0    10
nprobe=32,quantizer_efSearch=16,ht=56,k_factor=4     0.7162 0.8531 0.8532      0.03251              0    10
nprobe=32,quantizer_efSearch=32,ht=56,k_factor=4     0.7228 0.8629 0.8630      0.03355              0    9
nprobe=32,quantizer_efSearch=64,ht=56,k_factor=4     0.7241 0.8657 0.8658      0.03483              0    9
nprobe=32,quantizer_efSearch=256,ht=56,k_factor=4    0.7247 0.8664 0.8665      0.04669              0    7
nprobe=32,quantizer_efSearch=32,ht=56,k_factor=8     0.7350 0.8862 0.8863      0.04806              0    7
nprobe=32,quantizer_efSearch=64,ht=56,k_factor=8     0.7364 0.8890 0.8891      0.04863              0    7
nprobe=32,quantizer_efSearch=256,ht=56,k_factor=8    0.7370 0.8897 0.8898      0.06020              0    5
nprobe=64,quantizer_efSearch=16,ht=56,k_factor=8     0.7516 0.9094 0.9095      0.06210              0    5
nprobe=64,quantizer_efSearch=64,ht=56,k_factor=8     0.7648 0.9291 0.9292      0.06518              0    5
nprobe=64,quantizer_efSearch=128,ht=56,k_factor=8    0.7656 0.9301 0.9302      0.06732              0    5
nprobe=64,quantizer_efSearch=256,ht=56,k_factor=8    0.7657 0.9302 0.9303      0.07520              0    4
nprobe=64,quantizer_efSearch=64,ht=56,k_factor=16    0.7745 0.9463 0.9464      0.09311              0    4
nprobe=128,quantizer_efSearch=64,ht=56,k_factor=8    0.7760 0.9469 0.9470      0.09702              0    4
nprobe=128,quantizer_efSearch=128,ht=56,k_factor=8   0.7772 0.9484 0.9485      0.09649              0    4
nprobe=128,quantizer_efSearch=32,ht=56,k_factor=16   0.7831 0.9598 0.9599      0.11829              0    3
nprobe=128,quantizer_efSearch=64,ht=56,k_factor=16   0.7875 0.9677 0.9678      0.11954              0    3
nprobe=128,quantizer_efSearch=128,ht=56,k_factor=16  0.7885 0.9691 0.9692      0.12547              0    3
nprobe=128,quantizer_efSearch=256,ht=56,k_factor=16  0.7887 0.9692 0.9693      0.13211              0    3
nprobe=128,quantizer_efSearch=512,ht=56,k_factor=16  0.7888 0.9694 0.9695      0.15237              0    2
nprobe=256,quantizer_efSearch=256,ht=56,k_factor=16  0.7942 0.9778 0.9779      0.18908              0    2
nprobe=256,quantizer_efSearch=128,ht=56,k_factor=32  0.7988 0.9879 0.9881      0.23633              0    2
nprobe=256,quantizer_efSearch=256,ht=56,k_factor=32  0.7992 0.9883 0.9885      0.24494              0    2
nprobe=256,quantizer_efSearch=128,ht=56,k_factor=64  0.8013 0.9927 0.9929      0.34266              0    1
nprobe=256,quantizer_efSearch=256,ht=56,k_factor=64  0.8017 0.9931 0.9933      0.34878              0    1
nprobe=512,quantizer_efSearch=128,ht=56,k_factor=64  0.8030 0.9958 0.9960      0.46040              0    1
nprobe=512,quantizer_efSearch=256,ht=56,k_factor=64  0.8035 0.9962 0.9964      0.46772              0    1
nprobe=512,quantizer_efSearch=512,ht=56,k_factor=64  0.8036 0.9965 0.9967      0.48697              0    1
nprobe=1024,quantizer_efSearch=256,ht=56,k_factor=64 0.8037 0.9971 0.9973      0.69604              0    1
nprobe=4096,quantizer_efSearch=512,ht=56,k_factor=64 0.8038 0.9974 0.9976      2.02273              0    1
`OPQ64_128,IVF1048576_HNSW32,PQ64`
Index size 8030818224code_size 64
log filename: autotune.dbbigann100M.OPQ64_128_IVF1048576_HNSW32_PQ64.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                          0.2021 0.2114 0.2114      1.59705      926395480    1
nprobe=1,quantizer_efSearch=4,ht=256      0.1466 0.1526 0.1526      0.00470        1163317    64
nprobe=2,quantizer_efSearch=4,ht=230      0.1822 0.1906 0.1906      0.00591        2319724    51
nprobe=2,quantizer_efSearch=8,ht=254      0.2427 0.2547 0.2547      0.00766        2319045    40
nprobe=4,quantizer_efSearch=4,ht=238      0.2771 0.2933 0.2933      0.00942        4634434    32
nprobe=4,quantizer_efSearch=32,ht=228     0.2846 0.2989 0.2989      0.01769        4596202    17
nprobe=4,quantizer_efSearch=32,ht=244     0.3491 0.3706 0.3706      0.01789        4596202    17
nprobe=8,quantizer_efSearch=32,ht=244     0.4580 0.4903 0.4903      0.02505        9186919    12
nprobe=16,quantizer_efSearch=16,ht=256    0.5637 0.6106 0.6106      0.03578       18369559    9
nprobe=16,quantizer_efSearch=32,ht=246    0.5673 0.6130 0.6130      0.03916       18296373    8
nprobe=32,quantizer_efSearch=128,ht=512   0.6741 0.7390 0.7390      0.05483       36242018    6
nprobe=256,quantizer_efSearch=32,ht=512   0.7989 0.8963 0.8963      0.18303      281492585    2
nprobe=512,quantizer_efSearch=512,ht=512  0.8619 0.9754 0.9754      0.46034      547100767    1
nprobe=4096,quantizer_efSearch=512,ht=512 0.8750 0.9964 0.9964      2.71162     4068466458    1
`OPQ64_128,IVF1048576(IVF1024,PQ64x4fs,RFlat),PQ64`
Index size 7788463604code_size 64
log filename: autotune.dbbigann100M.OPQ64_128_IVF1048576_IVF1024_PQ64x4fs_RFlat__PQ64.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                 0.8469 0.9567 0.9567      0.91988      562474948    1
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=4,ht=234       0.1396 0.1451 0.1451      0.00376        2610154    80
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=16,ht=252      0.1641 0.1705 0.1705      0.00523        6728481    58
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=8,ht=252       0.2473 0.2597 0.2597      0.00652        5163805    47
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=16,ht=236     0.3306 0.3492 0.3492      0.01254       10171984    24
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=32,ht=244     0.3512 0.3728 0.3728      0.01367       15462419    22
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=8,ht=228       0.3614 0.3826 0.3826      0.01765       12090813    18
nprobe=16,quantizer_k_factor_rf=32,quantizer_nprobe=32,ht=224    0.4095 0.4332 0.4332      0.04028       28845468    8
nprobe=32,quantizer_k_factor_rf=64,quantizer_nprobe=64,ht=512    0.6754 0.7397 0.7397      0.05912       57305342    6
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=32,ht=512    0.7776 0.8656 0.8656      0.09647      155645684    4
nprobe=256,quantizer_k_factor_rf=1,quantizer_nprobe=64,ht=256    0.8237 0.9245 0.9245      0.48206      305695529    1
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=128,ht=244   0.8309 0.9329 0.9329      0.48205      320733958    1
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=32,ht=252    0.8469 0.9567 0.9567      0.91637      561768687    1
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=256,ht=252   0.8608 0.9737 0.9737      0.93331      623233897    1
nprobe=2048,quantizer_k_factor_rf=1,quantizer_nprobe=256,ht=250  0.8726 0.9911 0.9911      3.58988     2235161511    1
nprobe=4096,quantizer_k_factor_rf=64,quantizer_nprobe=512,ht=512 0.8766 0.9992 0.9992      5.73713     4259112137    1
`OPQ64_128,IVF262144_HNSW32,PQ64`
Index size 7407854768code_size 64
log filename: autotune.dbbigann100M.OPQ64_128_IVF262144_HNSW32_PQ64.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                          0.3245 0.3424 0.3424      0.00736        8616614    41
nprobe=1,quantizer_efSearch=4,ht=106      0.0003 0.0003 0.0003      0.00334        4321357    90
nprobe=1,quantizer_efSearch=8,ht=156      0.0012 0.0012 0.0012      0.00431        4298223    70
nprobe=1,quantizer_efSearch=4,ht=256      0.2073 0.2165 0.2165      0.00422        4321357    72
nprobe=2,quantizer_efSearch=4,ht=230      0.2649 0.2778 0.2778      0.00576        8650839    53
nprobe=2,quantizer_efSearch=8,ht=252      0.3245 0.3424 0.3424      0.00754        8616614    40
nprobe=2,quantizer_efSearch=8,ht=254      0.3248 0.3428 0.3428      0.00752        8616614    40
nprobe=4,quantizer_efSearch=4,ht=238      0.3791 0.4051 0.4051      0.00993       17319432    31
nprobe=4,quantizer_efSearch=32,ht=228     0.3956 0.4186 0.4186      0.01478       17212064    21
nprobe=4,quantizer_efSearch=32,ht=244     0.4541 0.4862 0.4862      0.01568       17212064    20
nprobe=8,quantizer_efSearch=32,ht=244     0.5622 0.6116 0.6116      0.02384       34389518    13
nprobe=8,quantizer_efSearch=128,ht=256    0.5693 0.6197 0.6197      0.04169       34364702    8
nprobe=16,quantizer_efSearch=16,ht=256    0.6549 0.7218 0.7218      0.04378       68770050    7
nprobe=16,quantizer_efSearch=32,ht=246    0.6613 0.7289 0.7289      0.04212       68662451    8
nprobe=32,quantizer_efSearch=128,ht=512   0.7507 0.8391 0.8391      0.06438      136381966    5
nprobe=64,quantizer_efSearch=32,ht=234    0.7536 0.8378 0.8378      0.12875      270939510    3
nprobe=64,quantizer_efSearch=512,ht=256   0.8060 0.9085 0.9085      0.21736      270355963    2
nprobe=128,quantizer_efSearch=64,ht=246   0.8308 0.9425 0.9425      0.27764      535199848    2
nprobe=256,quantizer_efSearch=32,ht=512   0.8343 0.9499 0.9499      0.32828     1058976370    1
nprobe=512,quantizer_efSearch=512,ht=512  0.8660 0.9921 0.9921      0.67818     2073932902    1
nprobe=4096,quantizer_efSearch=512,ht=512 0.8702 0.9988 0.9988      4.67337    15298060962    1
`OPQ64_128,IVF262144(IVF512,PQ64x4fs,RFlat),PQ64`
Index size 7347536372code_size 64
log filename: autotune.dbbigann100M.OPQ64_128_IVF262144_IVF512_PQ64x4fs_RFlat__PQ64.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                                 0.3283 0.3452 0.3452      0.00806       11326969    38
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1,ht=138       0.0003 0.0003 0.0003      0.00293        4534761    103
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=1,ht=164       0.0021 0.0021 0.0021      0.00300        4527232    100
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=1,ht=230       0.1524 0.1584 0.1584      0.00323        4527269    93
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=8,ht=230       0.1872 0.1939 0.1939      0.00363        5707821    83
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=246      0.2136 0.2226 0.2226      0.00450        7029394    67
nprobe=2,quantizer_k_factor_rf=16,quantizer_nprobe=1,ht=234      0.2245 0.2359 0.2359      0.00562        8885622    54
nprobe=2,quantizer_k_factor_rf=64,quantizer_nprobe=16,ht=240     0.3283 0.3452 0.3452      0.00830       11322280    37
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=64,ht=256      0.3366 0.3547 0.3547      0.01035       19146753    29
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=32,ht=250     0.4577 0.4906 0.4906      0.01400       22582153    22
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8,ht=232       0.5060 0.5457 0.5457      0.01815       36057263    17
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=16,ht=246      0.5617 0.6119 0.6119      0.02084       37202961    15
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4,ht=512      0.5893 0.6466 0.6466      0.02371       70254956    13
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=64,ht=256    0.6654 0.7353 0.7353      0.04735       79132726    7
nprobe=32,quantizer_k_factor_rf=1,quantizer_nprobe=32,ht=236     0.6860 0.7605 0.7605      0.06720      144131252    5
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=128,ht=242    0.7353 0.8208 0.8208      0.07561      157609415    4
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16,ht=238     0.7669 0.8586 0.8586      0.13214      275075525    3
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64,ht=256     0.8027 0.9077 0.9077      0.16519      281268180    2
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=16,ht=246   0.8143 0.9217 0.9217      0.28774      540860264    2
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=64,ht=240    0.8421 0.9575 0.9575      0.52023     1066510788    1
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=64,ht=250    0.8561 0.9784 0.9784      0.54686     1066544399    1
nprobe=512,quantizer_k_factor_rf=32,quantizer_nprobe=256,ht=244  0.8603 0.9832 0.9832      1.17998     2116388004    1
nprobe=2048,quantizer_k_factor_rf=64,quantizer_nprobe=256,ht=244 0.8641 0.9892 0.9892      5.16247     8022706999    1
nprobe=4096,quantizer_k_factor_rf=64,quantizer_nprobe=256,ht=512 0.8708 1.0000 1.0000      6.25710    15672795263    1
`OPQ64_128,IVF65536_HNSW32,PQ64`
Index size 7252113072code_size 64
log filename: autotune.dbbigann100M.OPQ64_128_IVF65536_HNSW32_PQ64.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                          0.3975 0.4304 0.4304      0.01018       34254595    30
nprobe=1,quantizer_efSearch=4,ht=106      0.0003 0.0003 0.0003      0.00321       17143107    94
nprobe=1,quantizer_efSearch=4,ht=204      0.1032 0.1088 0.1088      0.00339       17143107    89
nprobe=1,quantizer_efSearch=16,ht=234     0.2726 0.2894 0.2894      0.00499       17087122    61
nprobe=2,quantizer_efSearch=4,ht=230      0.3459 0.3714 0.3714      0.00674       34347050    45
nprobe=2,quantizer_efSearch=16,ht=226     0.3588 0.3841 0.3841      0.00754       34213277    40
nprobe=2,quantizer_efSearch=16,ht=234     0.3908 0.4211 0.4211      0.00804       34213277    38
nprobe=2,quantizer_efSearch=8,ht=254      0.3976 0.4305 0.4305      0.01065       34254595    29
nprobe=4,quantizer_efSearch=32,ht=228     0.4831 0.5244 0.5244      0.01425       68257747    22
nprobe=4,quantizer_efSearch=32,ht=244     0.5265 0.5761 0.5761      0.01707       68257747    18
nprobe=8,quantizer_efSearch=64,ht=222     0.5365 0.5818 0.5818      0.02729      136293386    11
nprobe=8,quantizer_efSearch=32,ht=244     0.6475 0.7180 0.7180      0.03084      136322714    10
nprobe=8,quantizer_efSearch=128,ht=256    0.6512 0.7229 0.7229      0.04402      136284123    7
nprobe=16,quantizer_efSearch=64,ht=232    0.7047 0.7854 0.7854      0.05112      270941272    6
nprobe=16,quantizer_efSearch=32,ht=246    0.7360 0.8247 0.8247      0.05802      271040701    6
nprobe=16,quantizer_efSearch=256,ht=246   0.7373 0.8259 0.8259      0.07331      270894123    5
nprobe=32,quantizer_efSearch=32,ht=232    0.7593 0.8552 0.8552      0.09234      537271817    4
nprobe=32,quantizer_efSearch=32,ht=246    0.7913 0.8981 0.8981      0.11080      537271817    3
nprobe=32,quantizer_efSearch=128,ht=512   0.7958 0.9039 0.9039      0.12038      536909172    3
nprobe=64,quantizer_efSearch=32,ht=234    0.8028 0.9141 0.9141      0.17484     1062531488    2
nprobe=64,quantizer_efSearch=512,ht=256   0.8321 0.9544 0.9544      0.30092     1061194193    1
nprobe=128,quantizer_efSearch=64,ht=246   0.8485 0.9761 0.9761      0.40794     2090993797    1
nprobe=256,quantizer_efSearch=32,ht=512   0.8517 0.9813 0.9813      0.86554     4117669720    1
nprobe=512,quantizer_efSearch=512,ht=248  0.8627 0.9973 0.9973      1.60019     8048396809    1
nprobe=512,quantizer_efSearch=512,ht=512  0.8630 0.9986 0.9986      1.70799     8048396809    1
nprobe=4096,quantizer_efSearch=512,ht=512 0.8638 0.9999 0.9999     12.20279    58545643036    1
`PCAR128,IVF1048576_HNSW32,SQ4`
Index size 8030755285code_size 64
log filename: autotune.dbbigann100M.PCAR128_IVF1048576_HNSW32_SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.7330 0.9459 0.9479      0.17250      278471593    2
nprobe=2,quantizer_efSearch=4            0.2002 0.2273 0.2275      0.00357        2319715    84
nprobe=4,quantizer_efSearch=4            0.2663 0.3119 0.3122      0.00404        4634263    75
nprobe=4,quantizer_efSearch=8            0.3111 0.3628 0.3632      0.00533        4631233    57
nprobe=8,quantizer_efSearch=4            0.3806 0.4577 0.4585      0.00635        9269918    48
nprobe=8,quantizer_efSearch=8            0.3895 0.4691 0.4700      0.00697        9260208    44
nprobe=8,quantizer_efSearch=16           0.4131 0.4960 0.4969      0.00898        9220625    34
nprobe=16,quantizer_efSearch=4           0.4460 0.5456 0.5466      0.00871       18449813    35
nprobe=16,quantizer_efSearch=8           0.4828 0.5906 0.5920      0.01003       18420417    30
nprobe=16,quantizer_efSearch=16          0.4988 0.6103 0.6117      0.01183       18370991    26
nprobe=32,quantizer_efSearch=8           0.5398 0.6707 0.6724      0.01607       36644404    19
nprobe=32,quantizer_efSearch=16          0.5716 0.7119 0.7136      0.01766       36517455    17
nprobe=32,quantizer_efSearch=32          0.5848 0.7276 0.7293      0.02039       36391525    15
nprobe=64,quantizer_efSearch=16          0.6189 0.7786 0.7804      0.02745       72397058    11
nprobe=64,quantizer_efSearch=32          0.6421 0.8104 0.8123      0.03028       72094677    10
nprobe=128,quantizer_efSearch=32         0.6786 0.8680 0.8700      0.05387      142670158    6
nprobe=128,quantizer_efSearch=64         0.6969 0.8921 0.8940      0.06345      142091047    5
nprobe=128,quantizer_efSearch=128        0.7032 0.9002 0.9021      0.06773      141670531    5
nprobe=128,quantizer_efSearch=256        0.7041 0.9018 0.9037      0.09210      141497955    4
nprobe=256,quantizer_efSearch=64         0.7189 0.9279 0.9299      0.11044      280545992    3
nprobe=256,quantizer_efSearch=128        0.7305 0.9428 0.9448      0.11740      279322369    3
nprobe=256,quantizer_efSearch=256        0.7330 0.9457 0.9477      0.13161      278683335    3
nprobe=512,quantizer_efSearch=128        0.7443 0.9660 0.9681      0.19338      550266595    2
nprobe=512,quantizer_efSearch=256        0.7474 0.9720 0.9741      0.20499      548064893    2
nprobe=512,quantizer_efSearch=512        0.7488 0.9733 0.9754      0.25977      547093352    2
nprobe=1024,quantizer_efSearch=256       0.7546 0.9857 0.9878      0.37186     1077194233    1
nprobe=1024,quantizer_efSearch=512       0.7565 0.9878 0.9899      0.43599     1073462052    1
nprobe=2048,quantizer_efSearch=512       0.7583 0.9924 0.9946      0.72967     2104571231    1
nprobe=4096,quantizer_efSearch=512       0.7592 0.9944 0.9966      1.32051     4068447909    1
`PCAR128,IVF1048576(IVF1024,PQ64x4fs,RFlat),SQ4`
Index size 7788395545code_size 64
log filename: autotune.dbbigann100M.PCAR128_IVF1048576_IVF1024_PQ64x4fs_RFlat__SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.7204 0.9256 0.9275      0.09998      326288741    4
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1      0.1188 0.1307 0.1307      0.00301        1535393    100
nprobe=1,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.1316 0.1455 0.1455      0.00307        1900471    98
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1380 0.1526 0.1526      0.00304        1895960    99
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=1      0.1513 0.1679 0.1679      0.00309        2721173    98
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=1      0.1675 0.1876 0.1878      0.00320        2698158    94
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.1774 0.1983 0.1983      0.00321        3083785    94
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1998 0.2257 0.2260      0.00332        3059985    91
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.2211 0.2495 0.2498      0.00375        3769141    81
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.2631 0.3013 0.3018      0.00407        5403725    74
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.2678 0.3086 0.3092      0.00414        5388731    73
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=2      0.2692 0.3100 0.3106      0.00437        5387415    69
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2955 0.3392 0.3397      0.00436        6108222    69
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4     0.3000 0.3465 0.3472      0.00513        6092284    59
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.3119 0.3581 0.3586      0.00487        7492705    62
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.3257 0.3759 0.3765      0.00584       10182633    52
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.3484 0.4062 0.4068      0.00599       10833420    51
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.3719 0.4404 0.4414      0.00619       10756810    49
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.3813 0.4519 0.4529      0.00689       10727983    44
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.4068 0.4820 0.4829      0.00692       12097986    44
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=8     0.4092 0.4841 0.4851      0.00785       12086015    39
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.4229 0.4998 0.5007      0.01038       20004902    29
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.4423 0.5361 0.5372      0.01002       19985120    30
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.4466 0.5413 0.5425      0.01001       19931903    30
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.4528 0.5441 0.5452      0.00970       21499563    31
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.5001 0.6075 0.6086      0.01118       23962718    27
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.5058 0.6154 0.6166      0.01132       23900088    27
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.5067 0.6170 0.6182      0.01270       23895009    24
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=16   0.5068 0.6172 0.6184      0.01462       23904664    21
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.5126 0.6234 0.6246      0.01677       28954480    18
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.5128 0.6236 0.6248      0.01459       29103718    21
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.5129 0.6244 0.6256      0.01905       38718590    16
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.5590 0.6899 0.6916      0.01960       39444035    16
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.5845 0.7236 0.7253      0.01813       42023978    17
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.5860 0.7252 0.7269      0.02011       42023404    15
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.5935 0.7363 0.7380      0.02270       47124217    14
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.5936 0.7367 0.7384      0.02242       56979840    14
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.5945 0.7379 0.7396      0.02392       57014786    13
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.6172 0.7699 0.7716      0.02906       79038427    11
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.6402 0.8017 0.8035      0.03068       77990308    10
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.6461 0.8081 0.8099      0.03513       77703450    9
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.6534 0.8204 0.8222      0.03048       82913174    10
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.6584 0.8262 0.8280      0.03250       82710586    10
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=64   0.6626 0.8314 0.8332      0.04841       92011685    7
nprobe=128,quantizer_k_factor_rf=1,quantizer_nprobe=16   0.6665 0.8408 0.8426      0.05064      151086524    6
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.7050 0.8961 0.8980      0.05698      152940654    6
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.7097 0.9030 0.9049      0.06432      162747212    5
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.7331 0.9446 0.9466      0.10361      300786821    3
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.7340 0.9458 0.9478      0.11310      320148098    3
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=256  0.7357 0.9475 0.9495      0.12067      357927163    3
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=256  0.7361 0.9478 0.9498      0.14104      361306020    3
nprobe=512,quantizer_k_factor_rf=1,quantizer_nprobe=128  0.7443 0.9642 0.9662      0.19824      602232539    2
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.7508 0.9749 0.9769      0.20658      588982658    2
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=256  0.7512 0.9753 0.9773      0.21138      630038406    2
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=256 0.7585 0.9893 0.9913      0.37871     1157180644    1
nprobe=2048,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.7604 0.9943 0.9963      0.73048     2144685553    1
nprobe=2048,quantizer_k_factor_rf=4,quantizer_nprobe=256 0.7612 0.9950 0.9971      0.72597     2180344846    1
nprobe=4096,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.7614 0.9967 0.9987      1.29216     4149335228    1
nprobe=4096,quantizer_k_factor_rf=4,quantizer_nprobe=128 0.7616 0.9968 0.9988      1.37214     4145826063    1
nprobe=4096,quantizer_k_factor_rf=4,quantizer_nprobe=256 0.7619 0.9973 0.9994      1.44494     4179003776    1
`PCAR128,IVF262144_HNSW32,SQ4`
Index size 7407791829code_size 64
log filename: autotune.dbbigann100M.PCAR128_IVF262144_HNSW32_SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.7328 0.9770 0.9799      0.34865     1054111668    1
nprobe=1,quantizer_efSearch=4            0.1875 0.2159 0.2161      0.00335        4321648    90
nprobe=1,quantizer_efSearch=8            0.2023 0.2318 0.2320      0.00415        4301411    73
nprobe=2,quantizer_efSearch=4            0.2686 0.3143 0.3150      0.00457        8659459    66
nprobe=2,quantizer_efSearch=8            0.2940 0.3430 0.3438      0.00540        8621477    56
nprobe=2,quantizer_efSearch=16           0.3019 0.3521 0.3529      0.00678        8602628    45
nprobe=4,quantizer_efSearch=4            0.3496 0.4197 0.4204      0.00714       17332734    42
nprobe=4,quantizer_efSearch=8            0.3916 0.4702 0.4710      0.00789       17272897    39
nprobe=4,quantizer_efSearch=16           0.4042 0.4862 0.4870      0.00925       17237024    33
nprobe=4,quantizer_efSearch=32           0.4080 0.4908 0.4916      0.01187       17219456    26
nprobe=8,quantizer_efSearch=4            0.4570 0.5649 0.5665      0.01349       34552242    23
nprobe=8,quantizer_efSearch=8            0.4725 0.5829 0.5845      0.01286       34521261    24
nprobe=8,quantizer_efSearch=16           0.4944 0.6100 0.6115      0.01433       34447015    21
nprobe=8,quantizer_efSearch=32           0.4991 0.6163 0.6178      0.01664       34400104    19
nprobe=8,quantizer_efSearch=64           0.4994 0.6169 0.6184      0.02136       34383353    15
nprobe=16,quantizer_efSearch=4           0.5164 0.6523 0.6543      0.02195       68990888    14
nprobe=16,quantizer_efSearch=8           0.5547 0.7006 0.7026      0.02330       68877253    13
nprobe=16,quantizer_efSearch=16          0.5682 0.7198 0.7217      0.02351       68781880    13
nprobe=16,quantizer_efSearch=32          0.5768 0.7310 0.7330      0.02631       68675023    12
nprobe=16,quantizer_efSearch=64          0.5783 0.7335 0.7355      0.03098       68630060    10
nprobe=16,quantizer_efSearch=128         0.5789 0.7344 0.7364      0.03834       68617392    8
nprobe=32,quantizer_efSearch=8           0.6029 0.7765 0.7790      0.04226      137074045    8
nprobe=32,quantizer_efSearch=32          0.6432 0.8304 0.8330      0.04455      136582896    7
nprobe=32,quantizer_efSearch=64          0.6470 0.8353 0.8379      0.04917      136446725    7
nprobe=64,quantizer_efSearch=16          0.6676 0.8712 0.8739      0.07931      271572107    4
nprobe=64,quantizer_efSearch=32          0.6829 0.8944 0.8971      0.08069      270952060    4
nprobe=64,quantizer_efSearch=128         0.6905 0.9045 0.9073      0.09277      270436943    4
nprobe=64,quantizer_efSearch=256         0.6909 0.9050 0.9078      0.10837      270357304    3
nprobe=128,quantizer_efSearch=32         0.7040 0.9310 0.9339      0.15464      536438421    2
nprobe=128,quantizer_efSearch=64         0.7131 0.9444 0.9473      0.15629      535206869    2
nprobe=128,quantizer_efSearch=128        0.7159 0.9486 0.9515      0.16423      534656938    2
nprobe=128,quantizer_efSearch=256        0.7166 0.9495 0.9524      0.17875      534417469    2
nprobe=128,quantizer_efSearch=512        0.7167 0.9497 0.9526      0.21177      534382851    2
nprobe=256,quantizer_efSearch=128        0.7315 0.9754 0.9783      0.30398     1055207945    1
nprobe=256,quantizer_efSearch=256        0.7322 0.9764 0.9793      0.31458     1054295444    1
nprobe=256,quantizer_efSearch=512        0.7328 0.9770 0.9799      0.35014     1054111668    1
nprobe=512,quantizer_efSearch=128        0.7368 0.9853 0.9883      0.57260     2078616398    1
nprobe=512,quantizer_efSearch=256        0.7383 0.9880 0.9910      0.59102     2075071707    1
nprobe=512,quantizer_efSearch=512        0.7389 0.9888 0.9918      0.65358     2073938973    1
nprobe=1024,quantizer_efSearch=256       0.7407 0.9926 0.9958      1.12969     4077278201    1
nprobe=1024,quantizer_efSearch=512       0.7414 0.9936 0.9968      1.15610     4072854091    1
nprobe=2048,quantizer_efSearch=256       0.7415 0.9935 0.9968      2.13707     7901549738    1
nprobe=2048,quantizer_efSearch=512       0.7424 0.9949 0.9982      2.20448     7987089827    1
`PCAR128,IVF262144(IVF512,PQ64x4fs,RFlat),SQ4`
Index size 7347474457code_size 64
log filename: autotune.dbbigann100M.PCAR128_IVF262144_IVF512_PQ64x4fs_RFlat__SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.4996 0.6174 0.6184      0.02186       55115724    14
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.1715 0.1970 0.1972      0.00308        5057081    98
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=4     0.1963 0.2263 0.2265      0.00327        5019073    92
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=8     0.2035 0.2337 0.2339      0.00347        5692968    87
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=16    0.2064 0.2364 0.2366      0.00400        7017951    75
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=1      0.2136 0.2498 0.2504      0.00438        8895255    69
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.2318 0.2702 0.2708      0.00431        9122576    70
nprobe=2,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2521 0.2924 0.2930      0.00432        9417846    70
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.2843 0.3329 0.3335      0.00459        9351488    66
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.2975 0.3470 0.3476      0.00465       10022777    65
nprobe=2,quantizer_k_factor_rf=16,quantizer_nprobe=8     0.2999 0.3498 0.3504      0.00496       10012644    61
nprobe=2,quantizer_k_factor_rf=32,quantizer_nprobe=8     0.3000 0.3499 0.3505      0.00553       10012131    55
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=16     0.3044 0.3547 0.3553      0.00549       11325683    55
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=32     0.3050 0.3553 0.3559      0.00643       13954044    47
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.3406 0.4078 0.4084      0.00717       18245796    42
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.3725 0.4469 0.4477      0.00724       18129871    42
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.3806 0.4582 0.4590      0.00737       18066974    41
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4     0.3807 0.4583 0.4591      0.00792       18065060    38
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.3993 0.4775 0.4783      0.00831       20042986    37
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.4058 0.4883 0.4891      0.00830       19988903    37
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=16     0.4078 0.4901 0.4909      0.00824       19974522    37
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=32    0.4090 0.4913 0.4921      0.01048       22577796    29
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.4264 0.5207 0.5218      0.01290       35860156    24
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.4534 0.5605 0.5616      0.01284       35439682    24
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8      0.4550 0.5540 0.5551      0.01322       36390357    23
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=16     0.4614 0.5632 0.5643      0.01327       37607107    23
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.4824 0.5934 0.5946      0.01373       36074063    22
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16     0.4971 0.6146 0.6156      0.01337       37224289    23
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=16     0.4984 0.6161 0.6171      0.01359       37201185    23
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.4991 0.6166 0.6176      0.01430       39801168    21
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=32     0.5003 0.6182 0.6192      0.01446       39783824    21
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.5349 0.6690 0.6704      0.02233       71420934    14
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.5736 0.7250 0.7265      0.02353       71756209    13
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.5785 0.7333 0.7350      0.02456       74094297    13
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=256   0.5789 0.7338 0.7355      0.03300      109929484    10
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.6414 0.8326 0.8346      0.04631      147411168    7
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.6439 0.8370 0.8390      0.04686      147117959    7
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.6442 0.8370 0.8390      0.04796      147086928    7
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=8     0.6485 0.8427 0.8448      0.08747      274478717    4
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.6773 0.8851 0.8873      0.08455      275090279    4
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.6870 0.8990 0.9012      0.08592      276972107    4
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.6900 0.9031 0.9053      0.08444      276481653    4
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.6916 0.9061 0.9083      0.08801      281301051    4
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=256   0.6919 0.9065 0.9087      0.09797      311862601    4
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=128   0.6923 0.9069 0.9091      0.09017      291477164    4
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=16   0.7006 0.9249 0.9272      0.15912      541713734    2
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.7174 0.9506 0.9530      0.16325      546716414    2
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=128  0.7179 0.9510 0.9534      0.16697      556699521    2
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.7183 0.9512 0.9536      0.16556      555784759    2
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=256  0.7184 0.9513 0.9537      0.17763      576131096    2
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.7331 0.9789 0.9815      0.32626     1075938709    1
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=256  0.7393 0.9907 0.9933      0.60609     2118331446    1
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=128  0.7400 0.9912 0.9938      0.63285     2096350967    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=64  0.7402 0.9940 0.9966      1.14965     4094955390    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.7416 0.9960 0.9986      1.17174     4097707941    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=256 0.7417 0.9961 0.9987      1.17477     4116727877    1
nprobe=2048,quantizer_k_factor_rf=2,quantizer_nprobe=256 0.7420 0.9972 0.9998      2.27214     8026251556    1
nprobe=4096,quantizer_k_factor_rf=1,quantizer_nprobe=256 0.7422 0.9974 1.0000      4.47912    16039467142    1
`PCAR128,IVF65536_HNSW32,SQ4`
Index size 7252050133code_size 64
log filename: autotune.dbbigann100M.PCAR128_IVF65536_HNSW32_SQ4.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.7366 0.9902 0.9939      1.08577     4103290343    1
nprobe=1,quantizer_efSearch=8            0.2551 0.2971 0.2978      0.00840       17106746    36
nprobe=1,quantizer_efSearch=16           0.2602 0.3026 0.3033      0.00697       17087479    44
nprobe=1,quantizer_efSearch=32           0.2608 0.3032 0.3039      0.00790       17073804    38
nprobe=2,quantizer_efSearch=4            0.3283 0.3946 0.3958      0.01099       34332580    28
nprobe=2,quantizer_efSearch=16           0.3644 0.4373 0.4386      0.01165       34213821    26
nprobe=2,quantizer_efSearch=32           0.3653 0.4384 0.4397      0.01262       34183061    24
nprobe=2,quantizer_efSearch=64           0.3654 0.4385 0.4398      0.01490       34179026    21
nprobe=2,quantizer_efSearch=128          0.3657 0.4388 0.4401      0.01783       34176896    17
nprobe=4,quantizer_efSearch=4            0.4145 0.5111 0.5129      0.02047       68554182    15
nprobe=4,quantizer_efSearch=8            0.4563 0.5626 0.5644      0.02094       68410007    15
nprobe=4,quantizer_efSearch=32           0.4685 0.5773 0.5791      0.02167       68257698    14
nprobe=4,quantizer_efSearch=64           0.4691 0.5778 0.5796      0.02337       68245186    13
nprobe=4,quantizer_efSearch=128          0.4695 0.5782 0.5800      0.02678       68238887    12
nprobe=8,quantizer_efSearch=8            0.5456 0.6906 0.6932      0.04374      136658647    7
nprobe=8,quantizer_efSearch=16           0.5640 0.7144 0.7170      0.03931      136467500    8
nprobe=8,quantizer_efSearch=32           0.5676 0.7190 0.7216      0.03896      136322104    8
nprobe=8,quantizer_efSearch=64           0.5688 0.7202 0.7228      0.04087      136295767    8
nprobe=8,quantizer_efSearch=128          0.5690 0.7205 0.7231      0.04461      136287008    7
nprobe=16,quantizer_efSearch=8           0.6184 0.7979 0.8007      0.08045      271725630    4
nprobe=16,quantizer_efSearch=16          0.6294 0.8141 0.8169      0.07272      271373428    5
nprobe=16,quantizer_efSearch=32          0.6369 0.8243 0.8271      0.07430      271044947    5
nprobe=16,quantizer_efSearch=64          0.6377 0.8251 0.8279      0.07542      270949174    4
nprobe=16,quantizer_efSearch=128         0.6385 0.8259 0.8287      0.07885      270908940    4
nprobe=32,quantizer_efSearch=16          0.6751 0.8857 0.8888      0.14139      537926067    3
nprobe=32,quantizer_efSearch=64          0.6837 0.9000 0.9031      0.14255      537000110    3
nprobe=32,quantizer_efSearch=128         0.6845 0.9009 0.9040      0.14866      536921279    3
nprobe=64,quantizer_efSearch=16          0.7005 0.9279 0.9311      0.27434     1064285430    2
nprobe=64,quantizer_efSearch=32          0.7102 0.9447 0.9480      0.27997     1062558235    2
nprobe=64,quantizer_efSearch=128         0.7143 0.9509 0.9543      0.28229     1061316035    2
nprobe=64,quantizer_efSearch=512         0.7144 0.9510 0.9544      0.31162     1061200175    1
nprobe=128,quantizer_efSearch=128        0.7296 0.9773 0.9810      0.53872     2089659632    1
nprobe=128,quantizer_efSearch=512        0.7297 0.9773 0.9810      0.56639     2089274716    1
nprobe=256,quantizer_efSearch=64         0.7346 0.9873 0.9910      1.05087     4111678110    1
nprobe=256,quantizer_efSearch=256        0.7366 0.9901 0.9938      1.05204     4103741654    1
nprobe=512,quantizer_efSearch=128        0.7379 0.9941 0.9979      2.05558     8059702736    1
nprobe=512,quantizer_efSearch=256        0.7382 0.9946 0.9984      2.06230     8050896452    1
nprobe=512,quantizer_efSearch=512        0.7383 0.9948 0.9986      2.05642     8048389529    1
nprobe=1024,quantizer_efSearch=256       0.7388 0.9957 0.9995      3.99919    15779250894    1
nprobe=1024,quantizer_efSearch=512       0.7390 0.9960 0.9998      4.03334    15769107391    1
nprobe=2048,quantizer_efSearch=512       0.7391 0.9961 0.9999      7.81858    30904943523    1
`PCAR32,IVF1048576_HNSW32,SQfp16`
Index size 7628051541code_size 64
log filename: autotune.dbbigann100M.PCAR32_IVF1048576_HNSW32_SQfp16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2640 0.7026 0.9197      0.10291      272919057    3
nprobe=1,quantizer_efSearch=4            0.0927 0.1408 0.1416      0.00239        1144243    126
nprobe=2,quantizer_efSearch=4            0.1252 0.2122 0.2175      0.00252        2286472    120
nprobe=4,quantizer_efSearch=4            0.1506 0.2855 0.2970      0.00260        4563764    116
nprobe=8,quantizer_efSearch=4            0.1839 0.3956 0.4281      0.00324        9101084    93
nprobe=8,quantizer_efSearch=8            0.1888 0.4059 0.4405      0.00357        9098771    85
nprobe=16,quantizer_efSearch=4           0.2045 0.4671 0.5223      0.00403       18120041    75
nprobe=16,quantizer_efSearch=8           0.2172 0.4996 0.5634      0.00468       18106800    65
nprobe=16,quantizer_efSearch=16          0.2213 0.5088 0.5763      0.00568       18065669    53
nprobe=32,quantizer_efSearch=8           0.2278 0.5504 0.6481      0.00690       35897664    44
nprobe=32,quantizer_efSearch=16          0.2366 0.5760 0.6835      0.00757       35820651    40
nprobe=32,quantizer_efSearch=32          0.2391 0.5851 0.6956      0.00962       35738021    32
nprobe=64,quantizer_efSearch=16          0.2459 0.6205 0.7615      0.01129       70938617    27
nprobe=64,quantizer_efSearch=32          0.2508 0.6364 0.7861      0.01379       70725574    22
nprobe=64,quantizer_efSearch=64          0.2521 0.6427 0.7950      0.01772       70550693    17
nprobe=128,quantizer_efSearch=32         0.2568 0.6676 0.8505      0.01946      139706559    16
nprobe=128,quantizer_efSearch=64         0.2593 0.6776 0.8681      0.02478      139227277    13
nprobe=128,quantizer_efSearch=128        0.2606 0.6816 0.8731      0.03266      138956419    10
nprobe=256,quantizer_efSearch=64         0.2616 0.6948 0.9072      0.03805      274392850    8
nprobe=256,quantizer_efSearch=128        0.2637 0.7003 0.9166      0.04690      273499500    7
nprobe=256,quantizer_efSearch=256        0.2641 0.7024 0.9196      0.06271      273060110    5
nprobe=512,quantizer_efSearch=128        0.2647 0.7098 0.9438      0.07836      537829042    4
nprobe=512,quantizer_efSearch=256        0.2653 0.7125 0.9497      0.09135      536132500    4
nprobe=1024,quantizer_efSearch=256       0.2658 0.7153 0.9623      0.15975     1052251737    2
`PCAR32,IVF1048576(IVF1024,PQ16x4fs,RFlat),SQfp16`
Index size 7359746969code_size 64
log filename: autotune.dbbigann100M.PCAR32_IVF1048576_IVF1024_PQ16x4fs_RFlat__SQfp16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.2633 0.6989 0.9127      0.06400      284996974    5
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.0913 0.1371 0.1381      0.00235        2591962    128
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.1247 0.2109 0.2155      0.00262        3739298    115
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.1389 0.2466 0.2547      0.00262        6051297    115
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1407 0.2574 0.2679      0.00264        5342269    114
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.1512 0.2819 0.2934      0.00277        6041112    109
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1656 0.3321 0.3540      0.00294        9928798    103
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.1703 0.3356 0.3562      0.00296       10641461    102
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.1871 0.3889 0.4198      0.00330       11982578    92
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=4      0.1888 0.3886 0.4180      0.00340       10601843    89
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=4     0.1890 0.3928 0.4225      0.00376       10583970    80
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=8     0.1949 0.4165 0.4503      0.00399       11940875    76
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=4     0.1955 0.4184 0.4610      0.00429       19763354    70
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=4     0.2052 0.4498 0.5033      0.00463       19721998    65
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=4     0.2099 0.4599 0.5180      0.00493       19674261    61
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.2184 0.4958 0.5602      0.00518       21004099    58
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.2240 0.5089 0.5764      0.00557       23678356    54
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=16   0.2246 0.5141 0.5824      0.00664       23633331    46
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=32   0.2252 0.5179 0.5868      0.00752       28875947    40
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.2369 0.5707 0.6721      0.00795       41559870    38
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.2400 0.5819 0.6893      0.00899       41482058    34
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.2408 0.5858 0.6948      0.01082       46662191    28
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.2411 0.5869 0.6964      0.01115       57043151    27
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.2453 0.6028 0.7306      0.01255       77125636    24
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.2457 0.6076 0.7380      0.01326       82219772    23
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.2512 0.6268 0.7732      0.01400       76761104    22
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.2517 0.6340 0.7820      0.01423       81875369    22
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.2539 0.6435 0.7959      0.01808       91957657    17
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.2603 0.6749 0.8630      0.02508      150838985    12
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.2606 0.6767 0.8652      0.02636      160969218    12
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=128  0.2609 0.6805 0.8718      0.03507      180869073    9
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.2611 0.6877 0.8943      0.04241      287755125    8
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.2624 0.6963 0.9091      0.04521      285988369    7
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=32   0.2631 0.6985 0.9124      0.05106      285296299    6
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=256  0.2635 0.7022 0.9179      0.05964      355492861    6
nprobe=256,quantizer_k_factor_rf=16,quantizer_nprobe=128 0.2640 0.7030 0.9196      0.06940      314952336    5
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.2648 0.7123 0.9467      0.09009      579476566    4
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=512  0.2651 0.7124 0.9493      0.11702      700021533    3
nprobe=1024,quantizer_k_factor_rf=4,quantizer_nprobe=128 0.2654 0.7158 0.9634      0.16345     1093640155    2
nprobe=2048,quantizer_k_factor_rf=2,quantizer_nprobe=128 0.2655 0.7169 0.9678      0.28185     2108794670    2
`PCAR32,IVF262144_HNSW32,SQfp16`
Index size 7307077973code_size 64
log filename: autotune.dbbigann100M.PCAR32_IVF262144_HNSW32_SQfp16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2652 0.7106 0.9530      0.11644     1048167160    3
nprobe=1,quantizer_efSearch=4            0.1153 0.1951 0.2008      0.00233        4332571    129
nprobe=2,quantizer_efSearch=4            0.1485 0.2776 0.2913      0.00251        8674589    120
nprobe=2,quantizer_efSearch=8            0.1612 0.3036 0.3195      0.00276        8657343    109
nprobe=4,quantizer_efSearch=4            0.1754 0.3621 0.3927      0.00289       17341977    104
nprobe=4,quantizer_efSearch=8            0.1940 0.4035 0.4391      0.00306       17329136    98
nprobe=4,quantizer_efSearch=16           0.1971 0.4105 0.4467      0.00356       17300203    85
nprobe=8,quantizer_efSearch=8            0.2176 0.4958 0.5620      0.00399       34579875    76
nprobe=8,quantizer_efSearch=16           0.2218 0.5079 0.5766      0.00449       34532601    67
nprobe=8,quantizer_efSearch=32           0.2229 0.5124 0.5815      0.00580       34494557    52
nprobe=16,quantizer_efSearch=8           0.2352 0.5715 0.6774      0.00678       68944319    45
nprobe=16,quantizer_efSearch=16          0.2382 0.5832 0.6929      0.00919       68858024    33
nprobe=16,quantizer_efSearch=32          0.2400 0.5884 0.7007      0.00862       68770103    35
nprobe=16,quantizer_efSearch=64          0.2410 0.5897 0.7020      0.01055       68737806    29
nprobe=32,quantizer_efSearch=8           0.2435 0.6179 0.7591      0.01225      136961330    25
nprobe=32,quantizer_efSearch=16          0.2492 0.6370 0.7885      0.01201      136740598    25
nprobe=32,quantizer_efSearch=32          0.2525 0.6447 0.8014      0.01267      136530750    24
nprobe=32,quantizer_efSearch=64          0.2531 0.6475 0.8057      0.01617      136422163    19
nprobe=32,quantizer_efSearch=128         0.2537 0.6485 0.8070      0.01845      136391362    17
nprobe=64,quantizer_efSearch=16          0.2541 0.6643 0.8494      0.02254      270856691    14
nprobe=64,quantizer_efSearch=32          0.2585 0.6764 0.8705      0.02297      270342659    14
nprobe=64,quantizer_efSearch=64          0.2596 0.6809 0.8771      0.02468      270053801    13
nprobe=64,quantizer_efSearch=128         0.2601 0.6819 0.8783      0.02759      269928680    11
nprobe=128,quantizer_efSearch=32         0.2612 0.6928 0.9128      0.04229      534266928    8
nprobe=128,quantizer_efSearch=64         0.2623 0.6994 0.9242      0.04465      533151938    7
nprobe=128,quantizer_efSearch=128        0.2628 0.7000 0.9273      0.04693      532651700    7
nprobe=256,quantizer_efSearch=64         0.2640 0.7066 0.9455      0.08375     1051084723    4
nprobe=256,quantizer_efSearch=128        0.2650 0.7100 0.9518      0.08760     1049006208    4
nprobe=256,quantizer_efSearch=256        0.2652 0.7109 0.9531      0.09323     1048309899    4
nprobe=512,quantizer_efSearch=256        0.2662 0.7146 0.9659      0.17127     2059895394    2
`PCAR32,IVF262144(IVF512,PQ16x4fs,RFlat),SQfp16`
Index size 7240067737code_size 64
log filename: autotune.dbbigann100M.PCAR32_IVF262144_IVF512_PQ16x4fs_RFlat__SQfp16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                       0.2483 0.6289 0.7819      0.02301      282204189    14
nprobe=1,quantizer_k_factor_rf=1,quantizer_nprobe=4    0.0770 0.1248 0.1288      0.00262        5093777    115
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=4   0.1208 0.2025 0.2087      0.00262        5054292    115
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=8   0.1246 0.2079 0.2141      0.00262        5731535    115
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=4    0.1350 0.2392 0.2504      0.00268        9493474    112
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=2    0.1424 0.2657 0.2788      0.00282        9111358    107
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=4    0.1563 0.2910 0.3058      0.00278        9437192    108
nprobe=2,quantizer_k_factor_rf=32,quantizer_nprobe=4   0.1592 0.2958 0.3115      0.00283        9407948    107
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=16   0.1625 0.3034 0.3183      0.00298       11413093    101
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=2    0.1718 0.3458 0.3746      0.00317       17896203    95
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4    0.1825 0.3736 0.4029      0.00322       18241173    94
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=4    0.1885 0.3865 0.4190      0.00320       18192845    94
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4   0.1898 0.3885 0.4217      0.00320       18140429    94
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.1904 0.3929 0.4248      0.00333       20170812    91
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=16   0.1984 0.4103 0.4444      0.00347       20119215    87
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=4    0.2077 0.4592 0.5173      0.00419       35686915    72
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8    0.2084 0.4553 0.5098      0.00404       36419978    75
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=4   0.2123 0.4688 0.5300      0.00459       35520935    66
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=16   0.2182 0.4991 0.5633      0.00462       37537289    65
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=16   0.2230 0.5064 0.5749      0.00484       37415429    62
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=16  0.2242 0.5103 0.5793      0.00495       37355293    61
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=32  0.2249 0.5120 0.5814      0.00568       39938551    53
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=8   0.2257 0.5395 0.6306      0.00661       71214851    46
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16  0.2291 0.5534 0.6484      0.00698       72373094    44
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16  0.2365 0.5750 0.6809      0.00681       72046936    45
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16  0.2398 0.5841 0.6942      0.00747       71852702    41
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=64 0.2414 0.5899 0.7013      0.01041       79431909    29
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8   0.2463 0.6182 0.7590      0.01218      139284556    25
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32  0.2467 0.6191 0.7596      0.01302      143328648    24
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.2537 0.6439 0.7966      0.01402      147741611    22
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=64  0.2541 0.6496 0.8061      0.01459      147353952    21
nprobe=32,quantizer_k_factor_rf=16,quantizer_nprobe=64 0.2544 0.6488 0.8058      0.01624      147209023    19
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=16  0.2572 0.6715 0.8618      0.02306      274752368    14
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32  0.2579 0.6688 0.8489      0.02303      278366660    14
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32  0.2593 0.6792 0.8722      0.02351      276843281    13
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64  0.2604 0.6811 0.8744      0.02464      281765492    13
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64 0.2622 0.6959 0.9138      0.04465      548323579    7
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32 0.2628 0.7039 0.9423      0.08358     1064820087    4
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=64 0.2645 0.7109 0.9525      0.08754     1062451239    4
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=64 0.2649 0.7113 0.9537      0.08906     1061067488    4
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=64 0.2660 0.7145 0.9659      0.16016     2075383306    2
`PCAR32,IVF65536_HNSW32,SQfp16`
Index size 7226833749code_size 64
log filename: autotune.dbbigann100M.PCAR32_IVF65536_HNSW32_SQfp16.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.1413 0.2690 0.2861      0.00474       17188388    64
nprobe=1,quantizer_efSearch=8            0.1403 0.2669 0.2839      0.00256       17206137    118
nprobe=1,quantizer_efSearch=32           0.1412 0.2687 0.2858      0.00371       17187852    81
nprobe=2,quantizer_efSearch=8            0.1782 0.3755 0.4123      0.00465       34447490    65
nprobe=2,quantizer_efSearch=16           0.1783 0.3781 0.4150      0.00433       34402391    70
nprobe=2,quantizer_efSearch=64           0.1789 0.3794 0.4163      0.00599       34380769    51
nprobe=4,quantizer_efSearch=4            0.1979 0.4438 0.5062      0.00615       69032777    49
nprobe=4,quantizer_efSearch=8            0.2093 0.4755 0.5453      0.00609       68953297    50
nprobe=4,quantizer_efSearch=16           0.2100 0.4807 0.5517      0.00656       68846102    46
nprobe=4,quantizer_efSearch=32           0.2109 0.4835 0.5544      0.00709       68807487    43
nprobe=4,quantizer_efSearch=64           0.2110 0.4839 0.5549      0.00802       68797981    38
nprobe=4,quantizer_efSearch=128          0.2111 0.4840 0.5550      0.01040       68794682    29
nprobe=8,quantizer_efSearch=8            0.2313 0.5618 0.6720      0.01092      137213048    28
nprobe=8,quantizer_efSearch=16           0.2341 0.5710 0.6847      0.01120      137035588    27
nprobe=8,quantizer_efSearch=32           0.2345 0.5744 0.6884      0.01212      136930476    25
nprobe=8,quantizer_efSearch=128          0.2346 0.5754 0.6892      0.01562      136899377    20
nprobe=16,quantizer_efSearch=4           0.2384 0.6013 0.7444      0.02022      272208369    15
nprobe=16,quantizer_efSearch=16          0.2486 0.6362 0.7921      0.02059      271818665    15
nprobe=16,quantizer_efSearch=32          0.2506 0.6431 0.8004      0.02132      271576546    15
nprobe=16,quantizer_efSearch=128         0.2507 0.6438 0.8011      0.02462      271504147    13
nprobe=32,quantizer_efSearch=32          0.2576 0.6775 0.8748      0.04390      537078249    7
nprobe=32,quantizer_efSearch=128         0.2580 0.6801 0.8775      0.04433      536774534    7
nprobe=32,quantizer_efSearch=256         0.2581 0.6802 0.8776      0.05101      536756893    6
nprobe=64,quantizer_efSearch=16          0.2590 0.6877 0.9079      0.08028     1061427705    4
nprobe=64,quantizer_efSearch=64          0.2613 0.6986 0.9258      0.07727     1059029705    4
nprobe=64,quantizer_efSearch=128         0.2615 0.6995 0.9271      0.08132     1058695823    4
nprobe=64,quantizer_efSearch=256         0.2616 0.6996 0.9273      0.08782     1058647413    4
nprobe=128,quantizer_efSearch=32         0.2634 0.7051 0.9452      0.14771     2086682210    3
nprobe=128,quantizer_efSearch=64         0.2637 0.7078 0.9523      0.14585     2083290166    3
nprobe=128,quantizer_efSearch=256        0.2638 0.7086 0.9536      0.15702     2081657722    2
nprobe=256,quantizer_efSearch=64         0.2641 0.7116 0.9643      0.28143     4088842402    2
nprobe=256,quantizer_efSearch=128        0.2644 0.7127 0.9668      0.28321     4082602162    2
nprobe=256,quantizer_efSearch=256        0.2645 0.7129 0.9673      0.29768     4080894561    2
nprobe=512,quantizer_efSearch=256        0.2646 0.7132 0.9707      0.55011     7990898225    1
`PCAR64,IVF1048576_HNSW32,SQ8`
Index size 7762286293code_size 64
log filename: autotune.dbbigann100M.PCAR64_IVF1048576_HNSW32_SQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.5920 0.9405 0.9481      0.12906      277580022    3
nprobe=2,quantizer_efSearch=4            0.1932 0.2286 0.2286      0.00299        2315383    101
nprobe=4,quantizer_efSearch=4            0.2544 0.3143 0.3143      0.00313        4627932    96
nprobe=4,quantizer_efSearch=8            0.2910 0.3595 0.3595      0.00397        4618361    76
nprobe=8,quantizer_efSearch=4            0.3469 0.4540 0.4541      0.00443        9243146    68
nprobe=8,quantizer_efSearch=8            0.3578 0.4701 0.4703      0.00477        9233433    63
nprobe=8,quantizer_efSearch=16           0.3732 0.4928 0.4930      0.00591        9191335    51
nprobe=16,quantizer_efSearch=4           0.3977 0.5430 0.5435      0.00565       18392524    54
nprobe=16,quantizer_efSearch=8           0.4227 0.5879 0.5887      0.00665       18370813    46
nprobe=16,quantizer_efSearch=16          0.4362 0.6064 0.6073      0.00802       18330609    38
nprobe=32,quantizer_efSearch=8           0.4635 0.6690 0.6708      0.01043       36499941    29
nprobe=32,quantizer_efSearch=16          0.4842 0.7050 0.7069      0.01120       36397649    27
nprobe=32,quantizer_efSearch=32          0.4942 0.7215 0.7234      0.01288       36273157    24
nprobe=64,quantizer_efSearch=16          0.5169 0.7759 0.7792      0.01602       72160775    19
nprobe=64,quantizer_efSearch=32          0.5327 0.8056 0.8088      0.01833       71875115    17
nprobe=64,quantizer_efSearch=64          0.5377 0.8176 0.8209      0.02475       71652045    13
nprobe=128,quantizer_efSearch=32         0.5566 0.8603 0.8652      0.02978      142190548    11
nprobe=128,quantizer_efSearch=64         0.5691 0.8848 0.8905      0.03940      141583530    8
nprobe=128,quantizer_efSearch=128        0.5734 0.8924 0.8981      0.04226      141225219    8
nprobe=128,quantizer_efSearch=256        0.5750 0.8951 0.9007      0.05932      141079208    6
nprobe=256,quantizer_efSearch=64         0.5829 0.9214 0.9289      0.05832      279460575    6
nprobe=256,quantizer_efSearch=128        0.5899 0.9359 0.9434      0.06288      278361232    5
nprobe=256,quantizer_efSearch=256        0.5920 0.9400 0.9476      0.08230      277776690    4
nprobe=512,quantizer_efSearch=128        0.5960 0.9577 0.9664      0.11306      548054817    3
nprobe=512,quantizer_efSearch=256        0.5993 0.9639 0.9727      0.13223      546056119    3
nprobe=512,quantizer_efSearch=512        0.5994 0.9648 0.9736      0.16570      545140744    2
nprobe=1024,quantizer_efSearch=256       0.6022 0.9775 0.9868      0.24111     1072655669    2
nprobe=1024,quantizer_efSearch=512       0.6026 0.9790 0.9886      0.29030     1069048387    2
nprobe=2048,quantizer_efSearch=256       0.6033 0.9811 0.9909      0.39298     2087246751    1
nprobe=2048,quantizer_efSearch=512       0.6037 0.9841 0.9944      0.44817     2094986905    1
nprobe=4096,quantizer_efSearch=512       0.6041 0.9856 0.9963      0.79365     4041554584    1
`PCAR64,IVF1048576(IVF1024,PQ32x4fs,RFlat),SQ8`
Index size 7502621977code_size 64
log filename: autotune.dbbigann100M.PCAR64_IVF1048576_IVF1024_PQ32x4fs_RFlat__SQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                         0.2922 0.3671 0.3675      0.00371       10808866    81
nprobe=1,quantizer_k_factor_rf=8,quantizer_nprobe=2      0.1356 0.1540 0.1540      0.00244        1891785    123
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.1392 0.1575 0.1575      0.00247        2603642    122
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=1      0.1602 0.1854 0.1855      0.00248        2699029    121
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=1      0.1634 0.1895 0.1896      0.00260        2696893    116
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.1884 0.2211 0.2211      0.00266        3060989    113
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=1      0.1954 0.2347 0.2348      0.00268        5040784    112
nprobe=4,quantizer_k_factor_rf=1,quantizer_nprobe=2      0.2104 0.2546 0.2546      0.00263        5422019    115
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=2      0.2375 0.2885 0.2886      0.00277        5404298    109
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.2514 0.3078 0.3079      0.00278        5392679    108
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.2567 0.3151 0.3152      0.00290        6109503    104
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=4      0.2729 0.3373 0.3373      0.00308        6092389    98
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4     0.2797 0.3447 0.3447      0.00340        6078262    89
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=4      0.2922 0.3671 0.3675      0.00373       10807676    81
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=8     0.2976 0.3680 0.3680      0.00391        7446604    77
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=2      0.3024 0.3892 0.3893      0.00386       10030323    78
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=4      0.3249 0.4209 0.4212      0.00382       10754330    79
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.3646 0.4779 0.4780      0.00423       12068912    71
nprobe=8,quantizer_k_factor_rf=16,quantizer_nprobe=8     0.3704 0.4865 0.4867      0.00540       12042715    56
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.3714 0.4912 0.4913      0.00628       20069550    48
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=8     0.3806 0.5035 0.5040      0.00611       21441926    50
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.4251 0.5847 0.5853      0.00653       23941473    46
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=8     0.4326 0.5967 0.5974      0.00709       21219358    43
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.4389 0.6076 0.6083      0.00751       23910241    40
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=16    0.4430 0.6158 0.6167      0.00815       23881795    37
nprobe=16,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.4446 0.6189 0.6197      0.00892       29145537    34
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8     0.4712 0.6703 0.6716      0.01033       39499045    30
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=16    0.4947 0.7192 0.7210      0.01142       41980374    27
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.4985 0.7277 0.7296      0.01277       47172510    24
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32    0.4989 0.7304 0.7324      0.01355       47151873    23
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.4990 0.7287 0.7307      0.01534       57549484    20
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16    0.5020 0.7361 0.7378      0.01637       78714307    19
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.5284 0.7911 0.7938      0.01827       77855067    17
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32    0.5327 0.8023 0.8052      0.01965       82958851    16
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.5384 0.8164 0.8195      0.02096       82738588    15
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.5417 0.8236 0.8269      0.02487       92939700    13
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=64   0.5421 0.8242 0.8275      0.03084       92720941    10
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.5682 0.8868 0.8918      0.03590      152721686    9
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64   0.5709 0.8934 0.8985      0.03703      162742114    9
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=128  0.5728 0.8961 0.9014      0.04591      182881558    7
nprobe=128,quantizer_k_factor_rf=8,quantizer_nprobe=256  0.5731 0.8963 0.9016      0.05214      223615867    6
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.5803 0.9201 0.9268      0.06002      291168463    6
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.5848 0.9305 0.9374      0.06021      300849157    5
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32   0.5855 0.9293 0.9360      0.06166      290072187    5
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=32   0.5857 0.9295 0.9363      0.07170      290025971    5
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=256  0.5897 0.9394 0.9465      0.07269      359502966    5
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=256  0.5903 0.9414 0.9485      0.08859      360334007    4
nprobe=512,quantizer_k_factor_rf=2,quantizer_nprobe=32   0.5915 0.9481 0.9558      0.10001      561493068    3
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=128  0.5981 0.9660 0.9745      0.13078      587932930    3
nprobe=512,quantizer_k_factor_rf=4,quantizer_nprobe=256  0.5985 0.9662 0.9747      0.13560      627428244    3
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=256 0.6016 0.9799 0.9889      0.22126     1154782054    2
nprobe=2048,quantizer_k_factor_rf=1,quantizer_nprobe=256 0.6018 0.9822 0.9914      0.36092     2226590448    1
nprobe=2048,quantizer_k_factor_rf=4,quantizer_nprobe=256 0.6024 0.9870 0.9968      0.41139     2171925703    1
nprobe=4096,quantizer_k_factor_rf=1,quantizer_nprobe=512 0.6025 0.9867 0.9965      0.67601     4352520793    1
nprobe=4096,quantizer_k_factor_rf=4,quantizer_nprobe=256 0.6031 0.9890 0.9995      0.78071     4161036976    1
`PCAR64,IVF262144_HNSW32,SQ8`
Index size 7340649429code_size 64
log filename: autotune.dbbigann100M.PCAR64_IVF262144_HNSW32_SQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.6011 0.9707 0.9800      0.18534     1055139019    2
nprobe=1,quantizer_efSearch=4            0.1837 0.2170 0.2170      0.00244        4334590    123
nprobe=2,quantizer_efSearch=4            0.2552 0.3160 0.3161      0.00276        8686264    109
nprobe=2,quantizer_efSearch=8            0.2773 0.3424 0.3425      0.00320        8654188    94
nprobe=4,quantizer_efSearch=4            0.3222 0.4203 0.4206      0.00394       17361561    77
nprobe=4,quantizer_efSearch=16           0.3668 0.4806 0.4809      0.00526       17286696    58
nprobe=8,quantizer_efSearch=8            0.4266 0.5900 0.5907      0.00678       34577342    45
nprobe=8,quantizer_efSearch=16           0.4409 0.6134 0.6141      0.00752       34498532    40
nprobe=8,quantizer_efSearch=32           0.4459 0.6199 0.6206      0.00889       34447773    34
nprobe=16,quantizer_efSearch=8           0.4855 0.7021 0.7036      0.01174       69049711    26
nprobe=16,quantizer_efSearch=16          0.4972 0.7234 0.7250      0.01213       68938391    25
nprobe=16,quantizer_efSearch=32          0.5027 0.7321 0.7341      0.01352       68835505    23
nprobe=16,quantizer_efSearch=64          0.5054 0.7357 0.7377      0.01628       68796565    19
nprobe=32,quantizer_efSearch=8           0.5164 0.7751 0.7775      0.03350      137374992    9
nprobe=32,quantizer_efSearch=16          0.5405 0.8170 0.8196      0.02184      137127417    14
nprobe=32,quantizer_efSearch=32          0.5468 0.8285 0.8317      0.02235      136909830    14
nprobe=32,quantizer_efSearch=64          0.5490 0.8322 0.8355      0.02546      136791450    12
nprobe=32,quantizer_efSearch=128         0.5494 0.8328 0.8361      0.03033      136733982    10
nprobe=32,quantizer_efSearch=256         0.5498 0.8333 0.8366      0.04024      136723473    8
nprobe=64,quantizer_efSearch=32          0.5727 0.8928 0.8981      0.04337      271486633    7
nprobe=64,quantizer_efSearch=64          0.5765 0.9002 0.9058      0.04272      271111784    8
nprobe=64,quantizer_efSearch=256         0.5770 0.9015 0.9071      0.05800      270914940    6
nprobe=128,quantizer_efSearch=32         0.5854 0.9285 0.9357      0.07581      537243800    4
nprobe=128,quantizer_efSearch=64         0.5906 0.9402 0.9480      0.07775      536111861    4
nprobe=128,quantizer_efSearch=128        0.5913 0.9440 0.9517      0.08441      535523288    4
nprobe=128,quantizer_efSearch=256        0.5920 0.9449 0.9526      0.09657      535354694    4
nprobe=256,quantizer_efSearch=64         0.5981 0.9624 0.9714      0.14503     1058238599    3
nprobe=256,quantizer_efSearch=128        0.5999 0.9692 0.9784      0.15084     1056096238    2
nprobe=256,quantizer_efSearch=256        0.6009 0.9703 0.9796      0.16045     1055319733    2
nprobe=256,quantizer_efSearch=512        0.6011 0.9707 0.9800      0.18787     1055139019    2
nprobe=512,quantizer_efSearch=128        0.6028 0.9794 0.9893      0.28471     2079283942    2
nprobe=512,quantizer_efSearch=256        0.6043 0.9812 0.9914      0.29831     2075820868    2
nprobe=1024,quantizer_efSearch=256       0.6055 0.9858 0.9962      0.55580     4076584214    1
nprobe=2048,quantizer_efSearch=256       0.6058 0.9869 0.9975      1.04139     7886774157    1
`PCAR64,IVF262144(IVF512,PQ32x4fs,RFlat),SQ8`
Index size 7275871001code_size 64
log filename: autotune.dbbigann100M.PCAR64_IVF262144_IVF512_PQ32x4fs_RFlat__SQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                                          0.5558 0.8496 0.8538      0.04095      281921011    8
nprobe=1,quantizer_k_factor_rf=4,quantizer_nprobe=1       0.1469 0.1723 0.1723      0.00254        4545267    119
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=4      0.1941 0.2276 0.2276      0.00263        5026754    115
nprobe=1,quantizer_k_factor_rf=16,quantizer_nprobe=8      0.1996 0.2343 0.2343      0.00274        5700486    110
nprobe=2,quantizer_k_factor_rf=2,quantizer_nprobe=8       0.2604 0.3185 0.3185      0.00299       10088521    101
nprobe=2,quantizer_k_factor_rf=4,quantizer_nprobe=8       0.2770 0.3397 0.3397      0.00300       10057352    100
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=16      0.2835 0.3482 0.3482      0.00345       11357193    87
nprobe=2,quantizer_k_factor_rf=8,quantizer_nprobe=32      0.2849 0.3494 0.3494      0.00418       13981146    72
nprobe=4,quantizer_k_factor_rf=2,quantizer_nprobe=4       0.3358 0.4318 0.4320      0.00418       18175218    72
nprobe=4,quantizer_k_factor_rf=16,quantizer_nprobe=4      0.3480 0.4507 0.4509      0.00473       18109301    64
nprobe=4,quantizer_k_factor_rf=8,quantizer_nprobe=16      0.3681 0.4797 0.4799      0.00496       20035582    61
nprobe=4,quantizer_k_factor_rf=4,quantizer_nprobe=32      0.3682 0.4793 0.4795      0.00532       22661328    57
nprobe=4,quantizer_k_factor_rf=32,quantizer_nprobe=32     0.3704 0.4842 0.4844      0.00625       22632132    48
nprobe=8,quantizer_k_factor_rf=1,quantizer_nprobe=8       0.3862 0.5165 0.5168      0.00664       36489922    46
nprobe=8,quantizer_k_factor_rf=4,quantizer_nprobe=4       0.4130 0.5590 0.5594      0.00688       35532289    44
nprobe=8,quantizer_k_factor_rf=2,quantizer_nprobe=8       0.4228 0.5795 0.5800      0.00716       36216462    42
nprobe=8,quantizer_k_factor_rf=8,quantizer_nprobe=32      0.4474 0.6210 0.6216      0.00827       39846552    37
nprobe=16,quantizer_k_factor_rf=1,quantizer_nprobe=16     0.4593 0.6491 0.6501      0.01199       72632860    26
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=16     0.4958 0.7097 0.7113      0.01215       72042505    25
nprobe=16,quantizer_k_factor_rf=2,quantizer_nprobe=32     0.4979 0.7147 0.7163      0.01272       74555980    24
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.5050 0.7314 0.7334      0.01303       74358046    24
nprobe=16,quantizer_k_factor_rf=4,quantizer_nprobe=64     0.5058 0.7330 0.7350      0.01406       79495812    22
nprobe=16,quantizer_k_factor_rf=16,quantizer_nprobe=64    0.5071 0.7366 0.7387      0.01557       79393085    20
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=8      0.5205 0.7735 0.7767      0.02203      139709160    14
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=8      0.5247 0.7835 0.7867      0.02292      139339299    14
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=32     0.5449 0.8197 0.8235      0.02250      142898668    14
nprobe=32,quantizer_k_factor_rf=2,quantizer_nprobe=64     0.5457 0.8210 0.8247      0.02357      147925354    13
nprobe=32,quantizer_k_factor_rf=4,quantizer_nprobe=64     0.5490 0.8323 0.8360      0.02388      147568870    13
nprobe=32,quantizer_k_factor_rf=8,quantizer_nprobe=32     0.5504 0.8323 0.8360      0.02419      142395827    13
nprobe=32,quantizer_k_factor_rf=16,quantizer_nprobe=64    0.5511 0.8336 0.8374      0.02653      147447032    12
nprobe=32,quantizer_k_factor_rf=32,quantizer_nprobe=64    0.5512 0.8337 0.8375      0.02935      147415101    11
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=16     0.5520 0.8389 0.8429      0.04097      280127840    8
nprobe=64,quantizer_k_factor_rf=1,quantizer_nprobe=32     0.5558 0.8496 0.8538      0.04127      281921011    8
nprobe=64,quantizer_k_factor_rf=2,quantizer_nprobe=32     0.5714 0.8875 0.8938      0.04084      278005151    8
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=32     0.5753 0.8970 0.9032      0.04150      277158308    8
nprobe=64,quantizer_k_factor_rf=4,quantizer_nprobe=64     0.5775 0.9005 0.9067      0.04295      282021379    7
nprobe=64,quantizer_k_factor_rf=8,quantizer_nprobe=64     0.5779 0.9011 0.9073      0.04493      281818590    7
nprobe=64,quantizer_k_factor_rf=16,quantizer_nprobe=128   0.5782 0.9015 0.9077      0.04977      292012845    7
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=16    0.5796 0.9156 0.9229      0.07712      543291749    4
nprobe=128,quantizer_k_factor_rf=2,quantizer_nprobe=64    0.5895 0.9402 0.9486      0.07899      548487113    4
nprobe=128,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.5915 0.9445 0.9524      0.08063      546990417    4
nprobe=128,quantizer_k_factor_rf=16,quantizer_nprobe=64   0.5927 0.9453 0.9533      0.08839      546756193    4
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=32    0.5992 0.9638 0.9733      0.14790     1065067085    3
nprobe=256,quantizer_k_factor_rf=2,quantizer_nprobe=256   0.5998 0.9678 0.9771      0.15793     1099743395    2
nprobe=256,quantizer_k_factor_rf=4,quantizer_nprobe=64    0.6020 0.9708 0.9803      0.15182     1067852705    2
nprobe=256,quantizer_k_factor_rf=8,quantizer_nprobe=64    0.6021 0.9711 0.9807      0.16134     1067608140    2
nprobe=512,quantizer_k_factor_rf=8,quantizer_nprobe=256   0.6060 0.9829 0.9933      0.30219     2117447586    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=64   0.6069 0.9864 0.9969      0.53798     4097388386    1
nprobe=1024,quantizer_k_factor_rf=2,quantizer_nprobe=256  0.6070 0.9875 0.9981      0.53964     4120512571    1
nprobe=1024,quantizer_k_factor_rf=16,quantizer_nprobe=128 0.6071 0.9875 0.9982      0.61307     4094476494    1
nprobe=2048,quantizer_k_factor_rf=4,quantizer_nprobe=256  0.6073 0.9888 0.9998      1.06475     8017184495    1
`PCAR64,IVF65536_HNSW32,SQ8`
Index size 7235239381code_size 64
log filename: autotune.dbbigann100M.PCAR64_IVF65536_HNSW32_SQ8.c.stdout
parameters                                   R@1   R@10  R@100  time(ms/q)   nb distances #runs
                                         0.2425 0.3043 0.3044      0.00632       17089156    48
nprobe=1,quantizer_efSearch=8            0.2398 0.3008 0.3009      0.00401       17124957    75
nprobe=1,quantizer_efSearch=16           0.2416 0.3032 0.3033      0.00442       17099670    68
nprobe=1,quantizer_efSearch=32           0.2422 0.3040 0.3041      0.00507       17091164    60
nprobe=1,quantizer_efSearch=64           0.2425 0.3043 0.3044      0.00638       17089156    48
nprobe=2,quantizer_efSearch=8            0.3271 0.4318 0.4320      0.00668       34301029    45
nprobe=2,quantizer_efSearch=16           0.3309 0.4371 0.4373      0.00696       34252543    44
nprobe=4,quantizer_efSearch=4            0.3761 0.5158 0.5166      0.01130       68772144    27
nprobe=4,quantizer_efSearch=8            0.4054 0.5622 0.5634      0.01160       68655487    26
nprobe=4,quantizer_efSearch=32           0.4131 0.5748 0.5759      0.01318       68497885    23
nprobe=4,quantizer_efSearch=64           0.4138 0.5756 0.5767      0.01376       68479117    22
nprobe=4,quantizer_efSearch=128          0.4139 0.5757 0.5768      0.01643       68475355    19
nprobe=8,quantizer_efSearch=4            0.4660 0.6752 0.6770      0.02140      137175732    15
nprobe=8,quantizer_efSearch=64           0.4881 0.7162 0.7181      0.02349      136707561    13
nprobe=8,quantizer_efSearch=128          0.4882 0.7163 0.7182      0.02610      136694216    12
nprobe=16,quantizer_efSearch=4           0.5083 0.7578 0.7610      0.04025      272606011    8
nprobe=16,quantizer_efSearch=8           0.5288 0.7990 0.8027      0.04026      272338813    8
nprobe=16,quantizer_efSearch=16          0.5353 0.8123 0.8163      0.04060      272021886    8
nprobe=16,quantizer_efSearch=32          0.5399 0.8195 0.8235      0.04102      271718174    8
nprobe=16,quantizer_efSearch=128         0.5418 0.8212 0.8253      0.04513      271587944    7
nprobe=16,quantizer_efSearch=512         0.5419 0.8213 0.8254      0.07173      271579543    5
nprobe=32,quantizer_efSearch=8           0.5513 0.8563 0.8618      0.07740      539962227    4
nprobe=32,quantizer_efSearch=16          0.5679 0.8844 0.8904      0.07755      539120060    4
nprobe=32,quantizer_efSearch=32          0.5711 0.8932 0.8993      0.07835      538414918    4
nprobe=32,quantizer_efSearch=64          0.5731 0.8961 0.9022      0.07954      538166236    4
nprobe=32,quantizer_efSearch=128         0.5739 0.8972 0.9033      0.08244      538082119    4
nprobe=64,quantizer_efSearch=32          0.5891 0.9404 0.9486      0.14723     1063880623    3
nprobe=64,quantizer_efSearch=128         0.5922 0.9462 0.9543      0.15091     1062632335    2
nprobe=64,quantizer_efSearch=256         0.5924 0.9464 0.9545      0.15842     1062555755    2
nprobe=128,quantizer_efSearch=128        0.6008 0.9715 0.9806      0.29220     2091079170    2
nprobe=128,quantizer_efSearch=512        0.6012 0.9720 0.9811      0.31616     2090753683    1
nprobe=256,quantizer_efSearch=64         0.6027 0.9792 0.9892      0.54785     4112711894    1
nprobe=256,quantizer_efSearch=128        0.6042 0.9829 0.9930      0.54912     4106451595    1
nprobe=256,quantizer_efSearch=256        0.6045 0.9836 0.9937      0.55068     4104582788    1
nprobe=512,quantizer_efSearch=128        0.6052 0.9867 0.9970      1.05843     8056629365    1
nprobe=512,quantizer_efSearch=256        0.6057 0.9880 0.9984      1.07284     8047119145    1
nprobe=1024,quantizer_efSearch=256       0.6058 0.9890 0.9995      2.05673    15765199261    1
Faiss building blocks: clustering, PCA, quantization
Index IO, cloning and hyper parameter tuning
GPU Faiss + NVIDIA cuVS - Overview
GPU Faiss + NVIDIA cuVS - Usage
Threads and asynchronous calls
Inverted list objects and scanners
Indexes that do not fit in RAM
Brute force search without an index
Fast accumulation of PQ and AQ codes (FastScan)
Setting search parameters for one query
Binary hashing index benchmark