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

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | Windows 10.0.25094
Queue | AmpereWindows
Baseline | [4e48d2d85ed15140b95323e615a5433726b583b2](https://github.com/dotnet/runtime/commit/4e48d2d85ed15140b95323e615a5433726b583b2)
Compare | [c88dbd3f943b8206b4821aaf10ddf3c216100942](https://github.com/dotnet/runtime/commit/c88dbd3f943b8206b4821aaf10ddf3c216100942)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4e48d2d85ed15140b95323e615a5433726b583b2...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_Windows 10.0.25094/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>) | 772.67 μs | 534.66 μs | 0.69 | 0.70 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_Windows%2010.0.25094_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_Windows%2010.0.25094_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
py .\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-5d07d5a6-b299-418d-8d4d-1e3300a1f0554884bfb8c9c4fb993/5818dfc8-a34b-4fe6-9b52-9ce293b4d54a.zip?sv=2021-08-06&se=2023-08-10T10%3A04%3A27Z&sr=c&sp=rl&sig=l1NbrQQp0jarein%2BQMUyGTSs19gKqMh59kRRxTqu4g4%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7af8356b-ca60-4a2b-b500-cd9989a040bd39e8e5cba5944ea9a/bd64b2c3-ceb0-490d-8253-66739596be60.zip?sv=2021-08-06&se=2023-08-12T23%3A33%3A37Z&sr=c&sp=rl&sig=xM7e44prH5hqTT6WiZUhHPdGCLuaR6MZqoMGjJOpL40%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 534.6593888888889 < 722.4387258548461.
IsChangePoint: Marked as a change because one of 6/10/2023 12:43:48 AM, 7/11/2023 7:34:35 PM, 7/19/2023 6:59:29 PM falls between 7/10/2023 2:17:11 PM and 7/19/2023 6:59:29 PM.
IsImprovementStdDev: Marked as improvement because 17.81909047414676 (T) = (0 -575428.1071988196) / Math.Sqrt((12340773212.838934 / (299)) + (2185463509.533611 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.3840809945364179 = (934259.3784156956 - 575428.1071988196) / 934259.3784156956 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 | Windows 10.0.25094
Queue | AmpereWindows
Baseline | [14e8b829e56398e3a12a42ed59c0f82c785ea71d](https://github.com/dotnet/runtime/commit/14e8b829e56398e3a12a42ed59c0f82c785ea71d)
Compare | [c88dbd3f943b8206b4821aaf10ddf3c216100942](https://github.com/dotnet/runtime/commit/c88dbd3f943b8206b4821aaf10ddf3c216100942)
Diff | [Diff](https://github.com/dotnet/runtime/compare/14e8b829e56398e3a12a42ed59c0f82c785ea71d...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_Windows 10.0.25094/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>) | 1.56 ns | 0.00 ns | 0.00 | 0.91 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_Windows%2010.0.25094_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_Windows%2010.0.25094_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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_TimeSpan*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-547b8451-25bc-4181-92dd-5e9c3908a1c39aa43ddc5494426ba/fef338ae-5fd0-49f7-9084-8d881f543bf0.zip?sv=2021-08-06&se=2023-08-10T21%3A59%3A25Z&sr=c&sp=rl&sig=ISY4fALwTg6lqKzJ62Inz%2ByJdmcxEWWOKW8sAUS9Jac%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7af8356b-ca60-4a2b-b500-cd9989a040bd39e8e5cba5944ea9a/bd64b2c3-ceb0-490d-8253-66739596be60.zip?sv=2021-08-06&se=2023-08-12T23%3A33%3A37Z&sr=c&sp=rl&sig=xM7e44prH5hqTT6WiZUhHPdGCLuaR6MZqoMGjJOpL40%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 < 1.64452159161827.
IsChangePoint: Marked as a change because one of 6/22/2023 12:06:43 AM, 7/12/2023 6:09:40 AM, 7/19/2023 6:59:29 PM falls between 7/10/2023 2:17:11 PM and 7/19/2023 6:59:29 PM.
IsImprovementStdDev: Marked as improvement because 2.8993898107640983 (T) = (0 -0.09936248612883798) / Math.Sqrt((0.37564829491561036 / (299)) + (0.026379836794407235 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.6869063152642727 = (0.317357043508261 - 0.09936248612883798) / 0.317357043508261 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 | Windows 10.0.25094
Queue | AmpereWindows
Baseline | [4e48d2d85ed15140b95323e615a5433726b583b2](https://github.com/dotnet/runtime/commit/4e48d2d85ed15140b95323e615a5433726b583b2)
Compare | [c88dbd3f943b8206b4821aaf10ddf3c216100942](https://github.com/dotnet/runtime/commit/c88dbd3f943b8206b4821aaf10ddf3c216100942)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4e48d2d85ed15140b95323e615a5433726b583b2...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_Windows 10.0.25094/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>) | 1.67 ms | 1.26 ms | 0.75 | 0.75 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_Windows%2010.0.25094_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_Windows%2010.0.25094_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
py .\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-5d07d5a6-b299-418d-8d4d-1e3300a1f0554884bfb8c9c4fb993/5818dfc8-a34b-4fe6-9b52-9ce293b4d54a.zip?sv=2021-08-06&se=2023-08-10T10%3A04%3A27Z&sr=c&sp=rl&sig=l1NbrQQp0jarein%2BQMUyGTSs19gKqMh59kRRxTqu4g4%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7af8356b-ca60-4a2b-b500-cd9989a040bd39e8e5cba5944ea9a/bd64b2c3-ceb0-490d-8253-66739596be60.zip?sv=2021-08-06&se=2023-08-12T23%3A33%3A37Z&sr=c&sp=rl&sig=xM7e44prH5hqTT6WiZUhHPdGCLuaR6MZqoMGjJOpL40%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 1.256945330357143 < 1.563353386067708.
IsChangePoint: Marked as a change because one of 5/27/2023 6:38:16 PM, 7/11/2023 7:34:35 PM, 7/19/2023 6:59:29 PM falls between 7/10/2023 2:17:11 PM and 7/19/2023 6:59:29 PM.
IsImprovementStdDev: Marked as improvement because 13.949075992729865 (T) = (0 -1208011.98893722) / Math.Sqrt((51953265518.154526 / (299)) + (13090017586.962978 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.35914442330044044 = (1884998.7935792746 - 1208011.98893722) / 1884998.7935792746 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 | Windows 10.0.25094
Queue | AmpereWindows
Baseline | [14e8b829e56398e3a12a42ed59c0f82c785ea71d](https://github.com/dotnet/runtime/commit/14e8b829e56398e3a12a42ed59c0f82c785ea71d)
Compare | [c88dbd3f943b8206b4821aaf10ddf3c216100942](https://github.com/dotnet/runtime/commit/c88dbd3f943b8206b4821aaf10ddf3c216100942)
Diff | [Diff](https://github.com/dotnet/runtime/compare/14e8b829e56398e3a12a42ed59c0f82c785ea71d...c88dbd3f943b8206b4821aaf10ddf3c216100942)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Benchstone.BenchI.Fib

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_Windows 10.0.25094/Benchstone.BenchI.Fib.Test.html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Benchstones/BenchI/Fib.cs#L25-#L29>) | 186.60 μs | 144.41 μs | 0.77 | 0.65 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_Windows%2010.0.25094_Improvement/Benchstone.BenchI.Fib_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_Windows%2010.0.25094_Improvement/Benchstone.BenchI.Fib.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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Benchstone.BenchI.Fib*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-547b8451-25bc-4181-92dd-5e9c3908a1c39aa43ddc5494426ba/fef338ae-5fd0-49f7-9084-8d881f543bf0.zip?sv=2021-08-06&se=2023-08-10T21%3A59%3A25Z&sr=c&sp=rl&sig=ISY4fALwTg6lqKzJ62Inz%2ByJdmcxEWWOKW8sAUS9Jac%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7af8356b-ca60-4a2b-b500-cd9989a040bd39e8e5cba5944ea9a/bd64b2c3-ceb0-490d-8253-66739596be60.zip?sv=2021-08-06&se=2023-08-12T23%3A33%3A37Z&sr=c&sp=rl&sig=xM7e44prH5hqTT6WiZUhHPdGCLuaR6MZqoMGjJOpL40%3D>)
### Benchstone.BenchI.Fib.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 144.4115408878505 < 169.31678513907963.
IsChangePoint: Marked as a change because one of 6/11/2023 3:10:18 PM, 7/12/2023 6:09:40 AM, 7/19/2023 6:59:29 PM falls between 7/10/2023 2:17:11 PM and 7/19/2023 6:59:29 PM.
IsImprovementStdDev: Marked as improvement because 8.944738276235501 (T) = (0 -132635.4144371888) / Math.Sqrt((392439247.36109716 / (299)) + (296983093.57390106 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.3246474254653368 = (196394.3271091819 - 132635.4144371888) / 196394.3271091819 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 | Windows 10.0.25094
Queue | AmpereWindows
Baseline | [4e48d2d85ed15140b95323e615a5433726b583b2](https://github.com/dotnet/runtime/commit/4e48d2d85ed15140b95323e615a5433726b583b2)
Compare | [c88dbd3f943b8206b4821aaf10ddf3c216100942](https://github.com/dotnet/runtime/commit/c88dbd3f943b8206b4821aaf10ddf3c216100942)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4e48d2d85ed15140b95323e615a5433726b583b2...c88dbd3f943b8206b4821aaf10ddf3c216100942)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Diagnostics.Perf_Process

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
[Start - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_Windows 10.0.25094/System.Diagnostics.Perf_Process.Start.html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Diagnostics/Perf_Process.cs#L58-#L62>) | 7.10 ms | 3.49 ms | 0.49 | 0.31 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_Windows%2010.0.25094_Improvement/System.Diagnostics.Perf_Process_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_20_2023/refs/heads/main_arm64_Windows%2010.0.25094_Improvement/System.Diagnostics.Perf_Process.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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Diagnostics.Perf_Process*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-5d07d5a6-b299-418d-8d4d-1e3300a1f0554884bfb8c9c4fb993/5818dfc8-a34b-4fe6-9b52-9ce293b4d54a.zip?sv=2021-08-06&se=2023-08-10T10%3A04%3A27Z&sr=c&sp=rl&sig=l1NbrQQp0jarein%2BQMUyGTSs19gKqMh59kRRxTqu4g4%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7af8356b-ca60-4a2b-b500-cd9989a040bd39e8e5cba5944ea9a/bd64b2c3-ceb0-490d-8253-66739596be60.zip?sv=2021-08-06&se=2023-08-12T23%3A33%3A37Z&sr=c&sp=rl&sig=xM7e44prH5hqTT6WiZUhHPdGCLuaR6MZqoMGjJOpL40%3D>)
### System.Diagnostics.Perf_Process.Start

#### 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 3.492688 < 6.74466275.
IsChangePoint: Marked as a change because one of 4/4/2023 10:11:10 PM, 5/8/2023 9:53:14 PM, 7/11/2023 7:34:35 PM, 7/19/2023 6:59:29 PM falls between 7/10/2023 2:17:11 PM and 7/19/2023 6:59:29 PM.
IsImprovementStdDev: Marked as improvement because 22.578848559782106 (T) = (0 -3252015.4814814813) / Math.Sqrt((669958901835.1849 / (299)) + (82218223971.5687 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.4671456410857535 = (6103010.000908777 - 3252015.4814814813) / 6103010.000908777 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	Windows 10.0.25094
Queue	AmpereWindows
Baseline	4e48d2d85ed15140b95323e615a5433726b583b2
Compare	c88dbd3f943b8206b4821aaf10ddf3c216100942
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

[Perf] Windows/arm64: 5 Improvements on 7/13/2023 7:10:54 AM #19970

Description

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.Tests.Perf_TimeSpan

Repro

Payloads

System.Tests.Perf_TimeSpan.FromSeconds

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

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 Benchstone.BenchI.Fib

Repro

Payloads

Benchstone.BenchI.Fib.Test

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Diagnostics.Perf_Process

Repro

Payloads

System.Diagnostics.Perf_Process.Start

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Metadata

Metadata

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