[Perf] Linux/x64: System.Text.Tests Regressions on 11/27/2024 1:41:48 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [abee17762558f6b4435163fe192c92b9caefde40](https://github.com/dotnet/runtime/commit/abee17762558f6b4435163fe192c92b9caefde40)
Compare | [fe3d5b5f7039e9f38f022dac77aeb6f01025b19d](https://github.com/dotnet/runtime/commit/fe3d5b5f7039e9f38f022dac77aeb6f01025b19d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/abee17762558f6b4435163fe192c92b9caefde40...fe3d5b5f7039e9f38f022dac77aeb6f01025b19d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Tests.Perf_Encoding

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetBytes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.Tests.Perf_Encoding.GetBytes(size%3a%20512%2c%20encName%3a%20%22utf-8%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Encoding.cs#L33-#L35>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 65.88 ns | 76.70 ns | 1.16 | 0.12 | False | | |
|<ul><li>[GetByteCount - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.Tests.Perf_Encoding.GetByteCount(size%3a%20512%2c%20encName%3a%20%22utf-8%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Encoding.cs#L49-#L51>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 17.59 ns | 29.50 ns | 1.68 | 0.53 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_03_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Tests.Perf_Encoding_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_03_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Tests.Perf_Encoding_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_03_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Tests.Perf_Encoding.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Tests.Perf_Encoding*'
```

<details>

### System.Text.Tests.Perf_Encoding.GetBytes(size: 512, encName: "utf-8")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Tests.Perf_Encoding.GetByteCount(size: 512, encName: "utf-8")

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [abee17762558f6b4435163fe192c92b9caefde40](https://github.com/dotnet/runtime/commit/abee17762558f6b4435163fe192c92b9caefde40)
Compare | [fe3d5b5f7039e9f38f022dac77aeb6f01025b19d](https://github.com/dotnet/runtime/commit/fe3d5b5f7039e9f38f022dac77aeb6f01025b19d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/abee17762558f6b4435163fe192c92b9caefde40...fe3d5b5f7039e9f38f022dac77aeb6f01025b19d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.IO.Tests.BinaryWriterExtendedTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WriteAsciiString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiString(StringLengthInChars%3a%202000000).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/BinaryWriterExtendedTests.cs#L36-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 149.09 μs | 177.99 μs | 1.19 | 0.50 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_03_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.IO.Tests.BinaryWriterExtendedTests_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_03_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.IO.Tests.BinaryWriterExtendedTests.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.BinaryWriterExtendedTests*'
```

<details>

### System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiString(StringLengthInChars: 2000000)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [abee17762558f6b4435163fe192c92b9caefde40](https://github.com/dotnet/runtime/commit/abee17762558f6b4435163fe192c92b9caefde40)
Compare | [fe3d5b5f7039e9f38f022dac77aeb6f01025b19d](https://github.com/dotnet/runtime/commit/fe3d5b5f7039e9f38f022dac77aeb6f01025b19d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/abee17762558f6b4435163fe192c92b9caefde40...fe3d5b5f7039e9f38f022dac77aeb6f01025b19d)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Text.Perf_Utf8Encoding

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetByteCount - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04/System.Text.Perf_Utf8Encoding.GetByteCount(Input%3a%20EnglishAllAscii).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Utf8Encoding.cs#L26-#L28>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.00 μs | 7.17 μs | 1.44 | 0.46 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_03_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Perf_Utf8Encoding_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/12_03_2024/refs/heads/main_x64_ubuntu%2022.04_Regression/System.Text.Perf_Utf8Encoding.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Perf_Utf8Encoding*'
```

<details>

### System.Text.Perf_Utf8Encoding.GetByteCount(Input: EnglishAllAscii)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	abee17762558f6b4435163fe192c92b9caefde40
Compare	fe3d5b5f7039e9f38f022dac77aeb6f01025b19d
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
GetBytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	65.88 ns	76.70 ns	1.16	0.12	False
GetByteCount - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.59 ns	29.50 ns	1.68	0.53	False

[Perf] Linux/x64: System.Text.Tests Regressions on 11/27/2024 1:41:48 AM #110413

Description

Run Information

Regressions in System.Text.Tests.Perf_Encoding

Repro

System.Text.Tests.Perf_Encoding.GetBytes(size: 512, encName: "utf-8")

ETL Files

Histogram

JIT Disasms

System.Text.Tests.Perf_Encoding.GetByteCount(size: 512, encName: "utf-8")

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.IO.Tests.BinaryWriterExtendedTests

Repro

System.IO.Tests.BinaryWriterExtendedTests.WriteAsciiString(StringLengthInChars: 2000000)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Perf_Utf8Encoding

Repro

System.Text.Perf_Utf8Encoding.GetByteCount(Input: EnglishAllAscii)

ETL Files

Histogram

JIT Disasms

Docs

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