[Perf] Linux/arm64: 5 Improvements on 7/13/2023 7:10:54 AM

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [d3d910ea88b00c7af2f69df07cbfbbe86da56596](https://github.com/dotnet/runtime/commit/d3d910ea88b00c7af2f69df07cbfbbe86da56596)
Compare | [c88dbd3f943b8206b4821aaf10ddf3c216100942](https://github.com/dotnet/runtime/commit/c88dbd3f943b8206b4821aaf10ddf3c216100942)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d3d910ea88b00c7af2f69df07cbfbbe86da56596...c88dbd3f943b8206b4821aaf10ddf3c216100942)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsFalse&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Collections.ContainsFalse(Int32).ImmutableList(Size%3a%20512).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsFalse.cs#L193-#L202>) | 1.36 ms | 1.06 ms | 0.78 | 0.23 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.ContainsFalse%28Int32%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.ContainsFalse%28Int32%29.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.Collections.ContainsFalse&lt;Int32&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52ec3d8e-c75e-4afd-b228-39b00dc8d81befc6fe8e8de41889d/c7406b07-66fd-4140-826c-db15402a8d01.zip?sv=2021-08-06&se=2023-08-11T06%3A47%3A09Z&sr=c&sp=rl&sig=kBUkHxsNmbyGPPY3%2FuE15xF4va7O6SR1LZt15QHURz8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-14c48789-702a-45fe-86a8-38aca4e32efb8ebbdf9904d4f51b6/d984b66c-8d47-4bc4-a764-86fec07f582c.zip?sv=2021-08-06&se=2023-08-12T23%3A04%3A22Z&sr=c&sp=rl&sig=v1k8JKeg08mAjFFcjC8kSglCfk%2Bk66FOuldMeH%2Fp9dE%3D>)
### System.Collections.ContainsFalse&lt;Int32&gt;.ImmutableList(Size: 512)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 1.0642278241666665 < 1.2755322944357639.
IsChangePoint: Marked as a change because one of 4/11/2023 5:52:15 AM, 5/19/2023 4:22:12 AM, 7/12/2023 7:14:29 PM, 7/18/2023 4:12:30 PM falls between 7/10/2023 3:14:43 AM and 7/18/2023 4:12:30 PM.
IsImprovementStdDev: Marked as improvement because 69.26217880729591 (T) = (0 -1064004.881440476) / Math.Sqrt((8545362964.125846 / (299)) + (210502.49598972528 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.25830251691175027 = (1434553.7172516966 - 1064004.881440476) / 1434553.7172516966 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [d3d910ea88b00c7af2f69df07cbfbbe86da56596](https://github.com/dotnet/runtime/commit/d3d910ea88b00c7af2f69df07cbfbbe86da56596)
Compare | [c88dbd3f943b8206b4821aaf10ddf3c216100942](https://github.com/dotnet/runtime/commit/c88dbd3f943b8206b4821aaf10ddf3c216100942)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d3d910ea88b00c7af2f69df07cbfbbe86da56596...c88dbd3f943b8206b4821aaf10ddf3c216100942)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.ContainsTrue&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Collections.ContainsTrue(Int32).ImmutableList(Size%3a%20512).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsTrue.cs#L234-#L243>) | 682.49 μs | 524.53 μs | 0.77 | 0.27 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.ContainsTrue%28Int32%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Collections.ContainsTrue%28Int32%29.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.Collections.ContainsTrue&lt;Int32&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52ec3d8e-c75e-4afd-b228-39b00dc8d81befc6fe8e8de41889d/c7406b07-66fd-4140-826c-db15402a8d01.zip?sv=2021-08-06&se=2023-08-11T06%3A47%3A09Z&sr=c&sp=rl&sig=kBUkHxsNmbyGPPY3%2FuE15xF4va7O6SR1LZt15QHURz8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-14c48789-702a-45fe-86a8-38aca4e32efb8ebbdf9904d4f51b6/d984b66c-8d47-4bc4-a764-86fec07f582c.zip?sv=2021-08-06&se=2023-08-12T23%3A04%3A22Z&sr=c&sp=rl&sig=v1k8JKeg08mAjFFcjC8kSglCfk%2Bk66FOuldMeH%2Fp9dE%3D>)
### System.Collections.ContainsTrue&lt;Int32&gt;.ImmutableList(Size: 512)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 524.5341230555555 < 638.2135721842918.
IsChangePoint: Marked as a change because one of 4/11/2023 5:52:15 AM, 5/19/2023 4:22:12 AM, 7/12/2023 7:14:29 PM, 7/18/2023 4:12:30 PM falls between 7/10/2023 3:14:43 AM and 7/18/2023 4:12:30 PM.
IsImprovementStdDev: Marked as improvement because 52.46308943564502 (T) = (0 -525164.9617413003) / Math.Sqrt((4315839688.018377 / (299)) + (1103046.285013192 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.2766346577873876 = (726002.3823299834 - 525164.9617413003) / 726002.3823299834 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [d3d910ea88b00c7af2f69df07cbfbbe86da56596](https://github.com/dotnet/runtime/commit/d3d910ea88b00c7af2f69df07cbfbbe86da56596)
Compare | [c88dbd3f943b8206b4821aaf10ddf3c216100942](https://github.com/dotnet/runtime/commit/c88dbd3f943b8206b4821aaf10ddf3c216100942)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d3d910ea88b00c7af2f69df07cbfbbe86da56596...c88dbd3f943b8206b4821aaf10ddf3c216100942)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Net.Primitives.Tests.CredentialCacheTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
[GetCredential_HostPort - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host%3a%20%22notfound%22%2c%20hostPortCount%3a%200).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Net.Primitives/CredentialCacheTests.cs#L43-#L52>) | 28.15 ns | 19.44 ns | 0.69 | 0.57 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Net.Primitives.Tests.CredentialCacheTests_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Net.Primitives.Tests.CredentialCacheTests.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.Net.Primitives.Tests.CredentialCacheTests*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52ec3d8e-c75e-4afd-b228-39b00dc8d81befc6fe8e8de41889d/c7406b07-66fd-4140-826c-db15402a8d01.zip?sv=2021-08-06&se=2023-08-11T06%3A47%3A09Z&sr=c&sp=rl&sig=kBUkHxsNmbyGPPY3%2FuE15xF4va7O6SR1LZt15QHURz8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-14c48789-702a-45fe-86a8-38aca4e32efb8ebbdf9904d4f51b6/d984b66c-8d47-4bc4-a764-86fec07f582c.zip?sv=2021-08-06&se=2023-08-12T23%3A04%3A22Z&sr=c&sp=rl&sig=v1k8JKeg08mAjFFcjC8kSglCfk%2Bk66FOuldMeH%2Fp9dE%3D>)
### System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 0)

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 19.444516008780745 < 21.791835942566852.
IsChangePoint: Marked as a change because one of 5/9/2023 11:02:55 PM, 7/12/2023 7:14:29 PM, 7/18/2023 4:12:30 PM falls between 7/10/2023 3:14:43 AM and 7/18/2023 4:12:30 PM.
IsImprovementStdDev: Marked as improvement because 7.198673239606639 (T) = (0 -17.861274013867522) / Math.Sqrt((4.307016913460749 / (299)) + (2.2338693921213486 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.21488569265426632 = (22.74990258966471 - 17.861274013867522) / 22.74990258966471 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [d3d910ea88b00c7af2f69df07cbfbbe86da56596](https://github.com/dotnet/runtime/commit/d3d910ea88b00c7af2f69df07cbfbbe86da56596)
Compare | [c88dbd3f943b8206b4821aaf10ddf3c216100942](https://github.com/dotnet/runtime/commit/c88dbd3f943b8206b4821aaf10ddf3c216100942)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d3d910ea88b00c7af2f69df07cbfbbe86da56596...c88dbd3f943b8206b4821aaf10ddf3c216100942)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_TimeSpan

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
[FromSeconds - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/System.Tests.Perf_TimeSpan.FromSeconds.html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.TimeSpan.cs#L13-#L14>) | 1.47 ns | 0.01 ns | 0.01 | 0.42 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Tests.Perf_TimeSpan_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/System.Tests.Perf_TimeSpan.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.Tests.Perf_TimeSpan*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52ec3d8e-c75e-4afd-b228-39b00dc8d81befc6fe8e8de41889d/c7406b07-66fd-4140-826c-db15402a8d01.zip?sv=2021-08-06&se=2023-08-11T06%3A47%3A09Z&sr=c&sp=rl&sig=kBUkHxsNmbyGPPY3%2FuE15xF4va7O6SR1LZt15QHURz8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-14c48789-702a-45fe-86a8-38aca4e32efb8ebbdf9904d4f51b6/d984b66c-8d47-4bc4-a764-86fec07f582c.zip?sv=2021-08-06&se=2023-08-12T23%3A04%3A22Z&sr=c&sp=rl&sig=v1k8JKeg08mAjFFcjC8kSglCfk%2Bk66FOuldMeH%2Fp9dE%3D>)
### System.Tests.Perf_TimeSpan.FromSeconds

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 0.01221329277590462 < 1.426116986596517.
IsChangePoint: Marked as a change because one of 6/22/2023 12:06:43 AM, 7/12/2023 7:14:29 PM, 7/18/2023 4:12:30 PM falls between 7/10/2023 3:14:43 AM and 7/18/2023 4:12:30 PM.
IsImprovementStdDev: Marked as improvement because 6.09708372630424 (T) = (0 -0.02446903194751749) / Math.Sqrt((0.2756808968659237 / (299)) + (0.0008366898945599469 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.8915883931831897 = (0.2257049098890702 - 0.02446903194751749) / 0.2257049098890702 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### 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 | arm64
OS | ubuntu 20.04
Queue | AmpereUbuntu
Baseline | [d3d910ea88b00c7af2f69df07cbfbbe86da56596](https://github.com/dotnet/runtime/commit/d3d910ea88b00c7af2f69df07cbfbbe86da56596)
Compare | [c88dbd3f943b8206b4821aaf10ddf3c216100942](https://github.com/dotnet/runtime/commit/c88dbd3f943b8206b4821aaf10ddf3c216100942)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d3d910ea88b00c7af2f69df07cbfbbe86da56596...c88dbd3f943b8206b4821aaf10ddf3c216100942)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Benchstone.BenchI.EightQueens

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 20.04/Benchstone.BenchI.EightQueens.Test.html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Benchstones/BenchI/8Queens.cs#L44-#L66>) | 2.46 μs | 2.31 μs | 0.94 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/Benchstone.BenchI.EightQueens_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_ubuntu%2020.04_Improvement/Benchstone.BenchI.EightQueens.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 'Benchstone.BenchI.EightQueens*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-52ec3d8e-c75e-4afd-b228-39b00dc8d81befc6fe8e8de41889d/c7406b07-66fd-4140-826c-db15402a8d01.zip?sv=2021-08-06&se=2023-08-11T06%3A47%3A09Z&sr=c&sp=rl&sig=kBUkHxsNmbyGPPY3%2FuE15xF4va7O6SR1LZt15QHURz8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-14c48789-702a-45fe-86a8-38aca4e32efb8ebbdf9904d4f51b6/d984b66c-8d47-4bc4-a764-86fec07f582c.zip?sv=2021-08-06&se=2023-08-12T23%3A04%3A22Z&sr=c&sp=rl&sig=v1k8JKeg08mAjFFcjC8kSglCfk%2Bk66FOuldMeH%2Fp9dE%3D>)
### Benchstone.BenchI.EightQueens.Test

#### ETL Files

#### Histogram

#### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 2.308366332431887 < 2.3382929331715054.
IsChangePoint: Marked as a change because one of 4/4/2023 10:11:10 PM, 5/19/2023 4:22:12 AM, 7/12/2023 7:14:29 PM, 7/18/2023 4:12:30 PM falls between 7/10/2023 3:14:43 AM and 7/18/2023 4:12:30 PM.
IsImprovementStdDev: Marked as improvement because 44.386905673190284 (T) = (0 -2308.007175342055) / Math.Sqrt((2856.7006294682847 / (299)) + (57.069991013900456 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.08093636159067812 = (2511.259371915377 - 2308.007175342055) / 2511.259371915377 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### 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	arm64
OS	ubuntu 20.04
Queue	AmpereUbuntu
Baseline	d3d910ea88b00c7af2f69df07cbfbbe86da56596
Compare	c88dbd3f943b8206b4821aaf10ddf3c216100942
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

[Perf] Linux/arm64: 5 Improvements on 7/13/2023 7:10:54 AM #19961

Description

Run Information

Improvements in System.Collections.ContainsFalse<Int32>

Repro

Payloads

System.Collections.ContainsFalse<Int32>.ImmutableList(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.ContainsTrue<Int32>

Repro

Payloads

System.Collections.ContainsTrue<Int32>.ImmutableList(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Net.Primitives.Tests.CredentialCacheTests

Repro

Payloads

System.Net.Primitives.Tests.CredentialCacheTests.GetCredential_HostPort(host: "notfound", hostPortCount: 0)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Tests.Perf_TimeSpan

Repro

Payloads

System.Tests.Perf_TimeSpan.FromSeconds

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in Benchstone.BenchI.EightQueens

Repro

Payloads

Benchstone.BenchI.EightQueens.Test

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Metadata

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