Adjust vtr_reg_weekly with less effort on Titan, and remove gaussian blur

Gaussian blur can be added back if this works reasonably.

Signed-off-by: Keith Rothman <[email protected]>

Author: litghost

.github/kokoro/continuous/weekly.cfg

@@ -41,5 +41,5 @@ env_vars {
 
 env_vars {
   key: "NUM_CORES"
-  value: "1"
+  value: "3"
 }

.github/kokoro/presubmit/weekly.cfg

@@ -41,5 +41,5 @@ env_vars {
 
 env_vars {
   key: "NUM_CORES"
-  value: "1"
+  value: "3"
 }

vtr_flow/tasks/regression_tests/vtr_reg_weekly/vtr_reg_titan/config/config.txt

@@ -13,17 +13,17 @@ archs_dir=arch/titan
 # circuits run first (to detect early failures), followed larger
 # circuits (so they do not start last)
 
-#Largest benchmarks, which have potential to unroute or time-out
-circuit_list_add=gaussianblur_stratixiv_arch_timing.blif 
-circuit_list_add=bitcoin_miner_stratixiv_arch_timing.blif
-circuit_list_add=directrf_stratixiv_arch_timing.blif
-
 #Small benchmarks
 circuit_list_add=neuron_stratixiv_arch_timing.blif
 circuit_list_add=sparcT1_core_stratixiv_arch_timing.blif
 circuit_list_add=stereo_vision_stratixiv_arch_timing.blif
 circuit_list_add=cholesky_mc_stratixiv_arch_timing.blif
 
+#Largest benchmarks, which have potential to unroute or time-out
+circuit_list_add=bitcoin_miner_stratixiv_arch_timing.blif
+circuit_list_add=directrf_stratixiv_arch_timing.blif
+
+
 #Mixed order of large and small
 circuit_list_add=LU230_stratixiv_arch_timing.blif
 circuit_list_add=gsm_switch_stratixiv_arch_timing.blif
@@ -56,6 +56,4 @@ pass_requirements_file=pass_requirements_vpr_titan.txt
 
 #The Titan benchmarks are run at a fixed channel width of 300 to simulate a Stratix IV-like routing architecture
 #A large number of routing iterations is set to ensure the router doesn't give up to easily on the larger benchmarks
-#To be more run-time comparable to commercial tools like Quartus, we run with higher placer effort (inner_num=2) and lower astar_fac (1.0)
-#Set a 48hr timeout so they don't run forever
-script_params=-starting_stage vpr --route_chan_width 300 --max_router_iterations 400 --router_lookahead map --inner_num 2 --astar_fac 1.0 -timeout 172800
+script_params=-starting_stage vpr --route_chan_width 300 --max_router_iterations 400 --router_lookahead map -timeout 172800