[Perf] Windows/x64: 17 Improvements on 8/15/2023 7:48:35 PM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [3eeb275afaf6d93a447860f36be28e96d6ddc11b](https://github.com/dotnet/runtime/commit/3eeb275afaf6d93a447860f36be28e96d6ddc11b)
Compare | [d2678442c80cdd15ca7d14c013d31a7683de1ed6](https://github.com/dotnet/runtime/commit/d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3eeb275afaf6d93a447860f36be28e96d6ddc11b...d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_Char

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Char_IsLower - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Tests.Perf_Char.Char_IsLower(input%3a%20%22Good%20afternoon%2c%20Constable!%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Char.cs#L23-#L36>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 29.03 ns | 20.80 ns | 0.72 | 0.18 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_Char_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_Char.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_Char*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-62e1316f-716b-49e5-b51e-5467cdcc686ff438fec8a66415692/795069da-d3a6-4414-8440-76881a34d431.zip?sv=2021-08-06&se=2023-09-13T10%3A55%3A12Z&sr=c&sp=rl&sig=B%2BkPVYvpt6ClUu6neptMGiVtKCo1KnqzRDSIwNSesY0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9cfc4d1e-b17c-46bb-8b42-92b04231f68c67655d0779847708a/5143d7bb-5e9d-48a8-928e-d9786e846ca7.zip?sv=2021-08-06&se=2023-09-15T16%3A55%3A14Z&sr=c&sp=rl&sig=gKFOpEC2WVcSIS1o7Ehk%2F6D3rH9NLzTXAuS8K%2Bw8QC4%3D>)
### System.Tests.Perf_Char.Char_IsLower(input: "Good afternoon, Constable!")

#### 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/1/2023 3:42:23 PM, 5/9/2023 1:22:51 PM, 6/19/2023 6:37:24 PM, 6/30/2023 8:34:57 AM, 7/23/2023 4:13:29 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 18.159420661104978 (T) = (0 -20.900418905107017) / Math.Sqrt((14.527282252410442 / (299)) + (0.0629531033164256 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.16679278265145814 = (25.084298923402255 - 20.900418905107017) / 25.084298923402255 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 | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [3eeb275afaf6d93a447860f36be28e96d6ddc11b](https://github.com/dotnet/runtime/commit/3eeb275afaf6d93a447860f36be28e96d6ddc11b)
Compare | [d2678442c80cdd15ca7d14c013d31a7683de1ed6](https://github.com/dotnet/runtime/commit/d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3eeb275afaf6d93a447860f36be28e96d6ddc11b...d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Span&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[LastIndexOfValue - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Byte).LastIndexOfValue(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L93-#L94>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACoRVbU/bMBD+3l/hb0m2NKRpKWtZkIB9YNoYjHabNISQaa6tWWJHtrM20378znkjoWUoX5y75158z905Bk3uHyTlizUJSZRzmrCFfWtJWKqDNdBIHSSUcevOOe7FBTZjcXQqC7i1fTe2KvlCJOmliMCINQMJUa1Rmko9Z4lRRVSDxqMd+MGw7x/2g2DuT6bDydSfeAPfPzqcjN76/tT363jAo/22o/7gaO6Pp4PhdDT8WcNpEpkMfjAeiY1Cl95pEo1HXuBfBN7VJvauQS7rzBjXEO+FDyYXA2/OViA7BjHj2Ta0vj1kXGdeEPijCr8LpTIZj56gvoEaUQekMrmkCwg7CTQob5Y9QTeMVy5r7Azkbwy661VCKsytIqE56AOJGWDZGm3GP6EHA0CqpajlGpQ2wlmuNCTeJSRC5t4spfz9Wa7hxPtMlf7II9heLb/TOAN7xv7AlBwOAqf2ka7KwGUb4V+tiGBJs7jwX4lmayH1F5qAKqnF7yEG+ybjXzPIYKq0ZHzlkuLP4CqJQ257r9HrEgvL1d+OR33sB8vtvU5wy6ToCmP0AncIxT7oF2yg/xR7vY3e2xSVTcf9fzivsilDVE3SNtmlvmNRJdW7O+5dAkV7SIBr1ftLNmtUkDlSbUpKwrDkvdGcmem+KfonLBupUdXMFJpycoTsSovx2JEWOe1Iq1vtonGAn8vq3u+maZYQ07DQeD8Ds7C6lrHdry08WF0XZ+XiY5zY1RJ02vc9F3zJVpmkmgmuburBMZUpzy+Dz3Edsrg4l1sxfFqRHR7OBbYNyLlIq1OjZQqSVOf2ju/rlZjnKTjdu5gtOdNIPTlp7VzEqCxJqMRZJVSu7hO6tQu8aQCXvHHIQ/7Mgds0iNvwgH5SKR6xnuQ5+KX8UAMKhz6UeLHIbl22lJ9iC9MVwoaOWzotQzbB69iVtiQLE3kUSNgvLH/IOAfZXiWCtzOW+Hig3my/xRoLQjZMr4lNFEgGKmxWi0u2mukY9/AHfGNwlvLqt3h5bK4clJWiYlycfwAAAP//>)</li></ul> | 8.76 ns | 5.41 ns | 0.62 | 0.36 | False | | |
|<ul><li>[SequenceEqual - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Byte).SequenceEqual(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L52-#L53>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 11.41 ns | 9.52 ns | 0.83 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Byte%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Byte%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Byte%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.Memory.Span&lt;Byte&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-62e1316f-716b-49e5-b51e-5467cdcc686ff438fec8a66415692/795069da-d3a6-4414-8440-76881a34d431.zip?sv=2021-08-06&se=2023-09-13T10%3A55%3A12Z&sr=c&sp=rl&sig=B%2BkPVYvpt6ClUu6neptMGiVtKCo1KnqzRDSIwNSesY0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9cfc4d1e-b17c-46bb-8b42-92b04231f68c67655d0779847708a/5143d7bb-5e9d-48a8-928e-d9786e846ca7.zip?sv=2021-08-06&se=2023-09-15T16%3A55%3A14Z&sr=c&sp=rl&sig=gKFOpEC2WVcSIS1o7Ehk%2F6D3rH9NLzTXAuS8K%2Bw8QC4%3D>)
### System.Memory.Span&lt;Byte&gt;.LastIndexOfValue(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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 10.237780734451698 (T) = (0 -5.556314030133783) / Math.Sqrt((0.8286302625042268 / (299)) + (0.157265482936384 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.17901500007171497 = (6.7678630311383765 - 5.556314030133783) / 6.7678630311383765 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Memory.Span&lt;Byte&gt;.SequenceEqual(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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/2/2023 3:18:41 PM, 5/16/2023 12:30:38 AM, 5/19/2023 10:30:38 AM, 6/22/2023 7:55:14 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 25.717615027651565 (T) = (0 -9.533159382961232) / Math.Sqrt((0.7598611186295 / (299)) + (0.000284337937661336 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.1201350827313974 = (10.83479883770724 - 9.533159382961232) / 10.83479883770724 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 | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [3eeb275afaf6d93a447860f36be28e96d6ddc11b](https://github.com/dotnet/runtime/commit/3eeb275afaf6d93a447860f36be28e96d6ddc11b)
Compare | [d2678442c80cdd15ca7d14c013d31a7683de1ed6](https://github.com/dotnet/runtime/commit/d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3eeb275afaf6d93a447860f36be28e96d6ddc11b...d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in PerfLabTests.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FooObjIsDescendant - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/PerfLabTests.CastingPerf.FooObjIsDescendant.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L200-#L205>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 556.92 μs | 418.00 μs | 0.75 | 0.30 | False | | |
|<ul><li>[ObjObjIsFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/PerfLabTests.CastingPerf.ObjObjIsFoo.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/CastingPerf.cs#L163-#L168>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 557.33 μs | 418.65 μs | 0.75 | 0.25 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/PerfLabTests.CastingPerf_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/PerfLabTests.CastingPerf_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/PerfLabTests.CastingPerf.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 'PerfLabTests.CastingPerf*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-62e1316f-716b-49e5-b51e-5467cdcc686ff438fec8a66415692/795069da-d3a6-4414-8440-76881a34d431.zip?sv=2021-08-06&se=2023-09-13T10%3A55%3A12Z&sr=c&sp=rl&sig=B%2BkPVYvpt6ClUu6neptMGiVtKCo1KnqzRDSIwNSesY0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9cfc4d1e-b17c-46bb-8b42-92b04231f68c67655d0779847708a/5143d7bb-5e9d-48a8-928e-d9786e846ca7.zip?sv=2021-08-06&se=2023-09-15T16%3A55%3A14Z&sr=c&sp=rl&sig=gKFOpEC2WVcSIS1o7Ehk%2F6D3rH9NLzTXAuS8K%2Bw8QC4%3D>)
### PerfLabTests.CastingPerf.FooObjIsDescendant

#### 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 4/27/2023 10:53:57 PM, 4/29/2023 4:36:15 PM, 8/10/2023 8:47:51 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 21.01992555689491 (T) = (0 -418401.58894725656) / Math.Sqrt((19293719626.627968 / (299)) + (720367.7134214179 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.28760865759617077 = (587319.8676663305 - 418401.58894725656) / 587319.8676663305 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### PerfLabTests.CastingPerf.ObjObjIsFoo

#### 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/2/2023 12:34:35 AM, 5/2/2023 3:18:41 PM, 5/20/2023 6:43:26 AM, 5/20/2023 7:49:01 PM, 8/15/2023 7:48:35 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 25.82590714717025 (T) = (0 -418073.7670544705) / Math.Sqrt((9763106428.464834 / (299)) + (349892.7403670794 / (13))) is greater than 1.9676459287777595 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (13) - 2, .975) and 0.26097510014056186 = (565709.9877608829 - 418073.7670544705) / 565709.9877608829 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 | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [3eeb275afaf6d93a447860f36be28e96d6ddc11b](https://github.com/dotnet/runtime/commit/3eeb275afaf6d93a447860f36be28e96d6ddc11b)
Compare | [d2678442c80cdd15ca7d14c013d31a7683de1ed6](https://github.com/dotnet/runtime/commit/d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3eeb275afaf6d93a447860f36be28e96d6ddc11b...d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Tests.Perf_Uri

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Ctor - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Tests.Perf_Uri.Ctor(input%3a%20%22http%3a%2f%2fdot.net%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Uri.cs#L58-#L60>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 102.28 ns | 79.73 ns | 0.78 | 0.39 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_Uri_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Tests.Perf_Uri.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_Uri*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-62e1316f-716b-49e5-b51e-5467cdcc686ff438fec8a66415692/795069da-d3a6-4414-8440-76881a34d431.zip?sv=2021-08-06&se=2023-09-13T10%3A55%3A12Z&sr=c&sp=rl&sig=B%2BkPVYvpt6ClUu6neptMGiVtKCo1KnqzRDSIwNSesY0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9cfc4d1e-b17c-46bb-8b42-92b04231f68c67655d0779847708a/5143d7bb-5e9d-48a8-928e-d9786e846ca7.zip?sv=2021-08-06&se=2023-09-15T16%3A55%3A14Z&sr=c&sp=rl&sig=gKFOpEC2WVcSIS1o7Ehk%2F6D3rH9NLzTXAuS8K%2Bw8QC4%3D>)
### System.Tests.Perf_Uri.Ctor(input: "http://dot.net")

#### 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/19/2023 10:30:38 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 15.030540008892297 (T) = (0 -83.99723782559134) / Math.Sqrt((106.24065077047358 / (299)) + (40.17328910756078 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.2431920560039067 = (110.98884266736098 - 83.99723782559134) / 110.98884266736098 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 | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [3eeb275afaf6d93a447860f36be28e96d6ddc11b](https://github.com/dotnet/runtime/commit/3eeb275afaf6d93a447860f36be28e96d6ddc11b)
Compare | [d2678442c80cdd15ca7d14c013d31a7683de1ed6](https://github.com/dotnet/runtime/commit/d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3eeb275afaf6d93a447860f36be28e96d6ddc11b...d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in Span.IndexerBench

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[CoveredIndex2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/Span.IndexerBench.CoveredIndex2(length%3a%201024).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Indexer.cs#L423-#L425>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 868.39 ns | 754.51 ns | 0.87 | 0.06 | False | | |
|<ul><li>[Ref - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/Span.IndexerBench.Ref(length%3a%201024).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/Span/Indexer.cs#L35-#L37>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 638.00 ns | 595.89 ns | 0.93 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/Span.IndexerBench_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/Span.IndexerBench_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/Span.IndexerBench.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 'Span.IndexerBench*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-62e1316f-716b-49e5-b51e-5467cdcc686ff438fec8a66415692/795069da-d3a6-4414-8440-76881a34d431.zip?sv=2021-08-06&se=2023-09-13T10%3A55%3A12Z&sr=c&sp=rl&sig=B%2BkPVYvpt6ClUu6neptMGiVtKCo1KnqzRDSIwNSesY0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9cfc4d1e-b17c-46bb-8b42-92b04231f68c67655d0779847708a/5143d7bb-5e9d-48a8-928e-d9786e846ca7.zip?sv=2021-08-06&se=2023-09-15T16%3A55%3A14Z&sr=c&sp=rl&sig=gKFOpEC2WVcSIS1o7Ehk%2F6D3rH9NLzTXAuS8K%2Bw8QC4%3D>)
### Span.IndexerBench.CoveredIndex2(length: 1024)

#### 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/16/2023 12:30:38 AM, 5/26/2023 6:22:05 AM, 6/13/2023 11:57:38 AM, 6/30/2023 8:34:57 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 20.96917947630926 (T) = (0 -754.4895734341427) / Math.Sqrt((3087.1218434901857 / (299)) + (0.20594571554023253 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.08203596908001685 = (821.9162712486606 - 754.4895734341427) / 821.9162712486606 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### Span.IndexerBench.Ref(length: 1024)

#### 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 6/30/2023 8:34:57 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 15.961613573033675 (T) = (0 -578.2778703977427) / Math.Sqrt((857.4739782475052 / (299)) + (25.711905795671733 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.05648581741966115 = (612.8979098292497 - 578.2778703977427) / 612.8979098292497 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 | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [3eeb275afaf6d93a447860f36be28e96d6ddc11b](https://github.com/dotnet/runtime/commit/3eeb275afaf6d93a447860f36be28e96d6ddc11b)
Compare | [d2678442c80cdd15ca7d14c013d31a7683de1ed6](https://github.com/dotnet/runtime/commit/d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3eeb275afaf6d93a447860f36be28e96d6ddc11b...d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.Tests.Add_Remove_SteadyState&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Stack - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Collections.Tests.Add_Remove_SteadyState(String).Stack(Count%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/AddRemove/AddRemoveSteadyState.cs#L73-#L78>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 8.77 ns | 6.57 ns | 0.75 | 0.15 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Collections.Tests.Add_Remove_SteadyState%28String%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Collections.Tests.Add_Remove_SteadyState%28String%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.Tests.Add_Remove_SteadyState&lt;String&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-62e1316f-716b-49e5-b51e-5467cdcc686ff438fec8a66415692/795069da-d3a6-4414-8440-76881a34d431.zip?sv=2021-08-06&se=2023-09-13T10%3A55%3A12Z&sr=c&sp=rl&sig=B%2BkPVYvpt6ClUu6neptMGiVtKCo1KnqzRDSIwNSesY0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9cfc4d1e-b17c-46bb-8b42-92b04231f68c67655d0779847708a/5143d7bb-5e9d-48a8-928e-d9786e846ca7.zip?sv=2021-08-06&se=2023-09-15T16%3A55%3A14Z&sr=c&sp=rl&sig=gKFOpEC2WVcSIS1o7Ehk%2F6D3rH9NLzTXAuS8K%2Bw8QC4%3D>)
### System.Collections.Tests.Add_Remove_SteadyState&lt;String&gt;.Stack(Count: 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/26/2023 6:22:05 AM, 6/5/2023 10:43:22 AM, 6/28/2023 8:55:43 AM, 7/1/2023 6:36:20 PM, 8/10/2023 8:47:51 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 12.10495967674113 (T) = (0 -6.5629592820758225) / Math.Sqrt((0.2784868334664402 / (299)) + (0.002025751979951445 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.05705261178135782 = (6.960048210615609 - 6.5629592820758225) / 6.960048210615609 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 | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [3eeb275afaf6d93a447860f36be28e96d6ddc11b](https://github.com/dotnet/runtime/commit/3eeb275afaf6d93a447860f36be28e96d6ddc11b)
Compare | [d2678442c80cdd15ca7d14c013d31a7683de1ed6](https://github.com/dotnet/runtime/commit/d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3eeb275afaf6d93a447860f36be28e96d6ddc11b...d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Memory.Span&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[BinarySearch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Char).BinarySearch(Size%3a%2033).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L107-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 7.54 ns | 6.28 ns | 0.83 | 0.13 | False | | |
|<ul><li>[BinarySearch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Char).BinarySearch(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Memory/Span.cs#L107-#L108>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 12.21 ns | 10.03 ns | 0.82 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Char%29_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Char%29_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Memory.Span%28Char%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.Memory.Span&lt;Char&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-62e1316f-716b-49e5-b51e-5467cdcc686ff438fec8a66415692/795069da-d3a6-4414-8440-76881a34d431.zip?sv=2021-08-06&se=2023-09-13T10%3A55%3A12Z&sr=c&sp=rl&sig=B%2BkPVYvpt6ClUu6neptMGiVtKCo1KnqzRDSIwNSesY0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9cfc4d1e-b17c-46bb-8b42-92b04231f68c67655d0779847708a/5143d7bb-5e9d-48a8-928e-d9786e846ca7.zip?sv=2021-08-06&se=2023-09-15T16%3A55%3A14Z&sr=c&sp=rl&sig=gKFOpEC2WVcSIS1o7Ehk%2F6D3rH9NLzTXAuS8K%2Bw8QC4%3D>)
### System.Memory.Span&lt;Char&gt;.BinarySearch(Size: 33)

#### 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/26/2023 6:22:05 AM, 6/13/2023 11:57:38 AM, 6/19/2023 6:37:24 PM, 6/30/2023 8:34:57 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 16.568577054213325 (T) = (0 -6.321787659819584) / Math.Sqrt((0.5702837182893904 / (299)) + (0.0030931261841220703 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.10786627169616107 = (7.086143544689007 - 6.321787659819584) / 7.086143544689007 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### JIT Disasms

### System.Memory.Span&lt;Char&gt;.BinarySearch(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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 6/13/2023 11:57:38 AM, 6/19/2023 6:37:24 PM, 6/30/2023 8:34:57 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 16.94253497905726 (T) = (0 -10.062198599197519) / Math.Sqrt((1.1749194583258533 / (299)) + (0.0015704198729088147 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.09669425460560468 = (11.139305435065321 - 10.062198599197519) / 11.139305435065321 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 | x64
OS | Windows 10.0.19042
Queue | OwlWindows
Baseline | [3eeb275afaf6d93a447860f36be28e96d6ddc11b](https://github.com/dotnet/runtime/commit/3eeb275afaf6d93a447860f36be28e96d6ddc11b)
Compare | [d2678442c80cdd15ca7d14c013d31a7683de1ed6](https://github.com/dotnet/runtime/commit/d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Diff | [Diff](https://github.com/dotnet/runtime/compare/3eeb275afaf6d93a447860f36be28e96d6ddc11b...d2678442c80cdd15ca7d14c013d31a7683de1ed6)
Configs | CompilationMode:tiered, RunKind:micro


### Improvements in System.Collections.CtorDefaultSizeNonGeneric

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ArrayList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Collections.CtorDefaultSizeNonGeneric.ArrayList.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Create/CtorDefaultSizeNonGeneric.cs#L13-#L14>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 5.34 ns | 3.62 ns | 0.68 | 0.18 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Collections.CtorDefaultSizeNonGeneric_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_22_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Improvement/System.Collections.CtorDefaultSizeNonGeneric.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.CtorDefaultSizeNonGeneric*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-62e1316f-716b-49e5-b51e-5467cdcc686ff438fec8a66415692/795069da-d3a6-4414-8440-76881a34d431.zip?sv=2021-08-06&se=2023-09-13T10%3A55%3A12Z&sr=c&sp=rl&sig=B%2BkPVYvpt6ClUu6neptMGiVtKCo1KnqzRDSIwNSesY0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-9cfc4d1e-b17c-46bb-8b42-92b04231f68c67655d0779847708a/5143d7bb-5e9d-48a8-928e-d9786e846ca7.zip?sv=2021-08-06&se=2023-09-15T16%3A55%3A14Z&sr=c&sp=rl&sig=gKFOpEC2WVcSIS1o7Ehk%2F6D3rH9NLzTXAuS8K%2Bw8QC4%3D>)
### System.Collections.CtorDefaultSizeNonGeneric.ArrayList

#### 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 we could not find enough baseline builds for window checking.
IsChangePoint: Marked as a change because one of 5/3/2023 7:05:50 AM, 7/23/2023 4:13:29 AM, 8/14/2023 10:44:26 PM, 8/21/2023 10:38:45 PM falls between 8/13/2023 2:50:54 AM and 8/21/2023 10:38:45 PM.
IsImprovementStdDev: Marked as improvement because 11.972657257623277 (T) = (0 -3.4115610084450116) / Math.Sqrt((0.08463567744359901 / (299)) + (0.014956853550344745 / (14))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (14) - 2, .975) and 0.11426999127176117 = (3.8516940544257348 - 3.4115610084450116) / 3.8516940544257348 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	x64
OS	Windows 10.0.19042
Queue	OwlWindows
Baseline	3eeb275afaf6d93a447860f36be28e96d6ddc11b
Compare	d2678442c80cdd15ca7d14c013d31a7683de1ed6
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
LastIndexOfValue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.76 ns	5.41 ns	0.62	0.36	False
SequenceEqual - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.41 ns	9.52 ns	0.83	0.13	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
FooObjIsDescendant - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	556.92 μs	418.00 μs	0.75	0.30	False
ObjObjIsFoo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	557.33 μs	418.65 μs	0.75	0.25	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
CoveredIndex2 - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	868.39 ns	754.51 ns	0.87	0.06	False
Ref - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	638.00 ns	595.89 ns	0.93	0.09	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
BinarySearch - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.54 ns	6.28 ns	0.83	0.13	False
BinarySearch - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.21 ns	10.03 ns	0.82	0.10	False

[Perf] Windows/x64: 17 Improvements on 8/15/2023 7:48:35 PM #20774

Description

Run Information

Improvements in System.Tests.Perf_Char

Repro

Payloads

System.Tests.Perf_Char.Char_IsLower(input: "Good afternoon, Constable!")

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Span<Byte>

Repro

Payloads

System.Memory.Span<Byte>.LastIndexOfValue(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Memory.Span<Byte>.SequenceEqual(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in PerfLabTests.CastingPerf

Repro

Payloads

PerfLabTests.CastingPerf.FooObjIsDescendant

ETL Files

Histogram

Description of detection logic

JIT Disasms

PerfLabTests.CastingPerf.ObjObjIsFoo

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Tests.Perf_Uri

Repro

Payloads

System.Tests.Perf_Uri.Ctor(input: "http://dot.net")

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in Span.IndexerBench

Repro

Payloads

Span.IndexerBench.CoveredIndex2(length: 1024)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Span.IndexerBench.Ref(length: 1024)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Collections.Tests.Add_Remove_SteadyState<String>

Repro

Payloads

System.Collections.Tests.Add_Remove_SteadyState<String>.Stack(Count: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Improvements in System.Memory.Span<Char>

Repro