Regressions in System.Text.Json.Serialization.Tests.ColdStartSerialization<SimpleStructWithProperties>

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.18362
Baseline | [d3f7e0145437ca3afe7d8a0bab38cc95040cfc28](https://github.com/dotnet/runtime/commit/d3f7e0145437ca3afe7d8a0bab38cc95040cfc28)
Compare | [d17741d0c44b13cb4df864e0184cf1e499edcd57](https://github.com/dotnet/runtime/commit/d17741d0c44b13cb4df864e0184cf1e499edcd57)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d3f7e0145437ca3afe7d8a0bab38cc95040cfc28...d17741d0c44b13cb4df864e0184cf1e499edcd57)


### Regressions in System.Memory.Span&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IndexOfValue - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Memory.Span(Int32).IndexOfValue(Size%3a%20512).html>) | 25.58 ns | 28.36 ns | 1.11 | 0.19 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/06_28_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Memory.Span(Int32)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/06_28_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Memory.Span(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Memory.Span&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-72c9f9d1-0540-4a84-b5b1-844ec7c4571325a4c5043614c56b5/4d7ec547-385a-4133-a62c-f70dd0455bd8.zip?sv=2019-07-07&se=2022-07-22T17%3A15%3A22Z&sr=c&sp=rl&sig=o9aX3sMp%2FnzsguAFV%2FigL55XfvAx7ncnHIuao3Woqkc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-ff1ae094-3cc3-42ed-b878-31acb7d0dd179b5a7eaceea443387/61cba234-92a9-4875-989b-09ab2ae09cdd.zip?sv=2021-06-08&se=2022-07-23T02%3A17%3A00Z&sr=c&sp=rl&sig=CjMXXU4WZr2d1NZbeUSU1KZ0z60tEObRqfsr%2FkIKPUo%3D>)
### Histogram

#### System.Memory.Span&lt;Int32&gt;.IndexOfValue(Size: 512)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 28.357586329517822 > 27.01071444906912.
IsChangePoint: Marked as a change because one of 5/11/2022 9:09:01 PM, 5/23/2022 3:43:39 PM, 6/7/2022 9:37:06 AM, 6/22/2022 6:53:40 PM, 6/28/2022 4:38:49 AM falls between 6/19/2022 1:08:59 PM and 6/28/2022 4:38:49 AM.
IsRegressionStdDev: Marked as regression because -8.340375833370718 (T) = (0 -27.81521136381532) / Math.Sqrt((0.20749195724468672 / (39)) + (1.0174994203384329 / (22))) is less than -2.000995378087428 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (22) - 2, .025) and -0.07306854638199406 = (25.92118784731724 - 27.81521136381532) / 25.92118784731724 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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

Architecture | x64
-- | --
OS | Windows 10.0.18362
Baseline | [d3f7e0145437ca3afe7d8a0bab38cc95040cfc28](https://github.com/dotnet/runtime/commit/d3f7e0145437ca3afe7d8a0bab38cc95040cfc28)
Compare | [d17741d0c44b13cb4df864e0184cf1e499edcd57](https://github.com/dotnet/runtime/commit/d17741d0c44b13cb4df864e0184cf1e499edcd57)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d3f7e0145437ca3afe7d8a0bab38cc95040cfc28...d17741d0c44b13cb4df864e0184cf1e499edcd57)


### Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Count - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22Sherlock%7cHolmes%7cWatson%22%2c%20Options%3a%20Compiled).html>) | 146.77 μs | 154.41 μs | 1.05 | 0.01 | False | | |
[Count - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern%3a%20%22(%3fi)Sherlock%22%2c%20Options%3a%20Compiled).html>) | 121.60 μs | 128.65 μs | 1.06 | 0.01 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/06_28_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_1.png>)
![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/06_28_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock_2.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/06_28_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-72c9f9d1-0540-4a84-b5b1-844ec7c4571325a4c5043614c56b5/4d7ec547-385a-4133-a62c-f70dd0455bd8.zip?sv=2019-07-07&se=2022-07-22T17%3A15%3A22Z&sr=c&sp=rl&sig=o9aX3sMp%2FnzsguAFV%2FigL55XfvAx7ncnHIuao3Woqkc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-ff1ae094-3cc3-42ed-b878-31acb7d0dd179b5a7eaceea443387/61cba234-92a9-4875-989b-09ab2ae09cdd.zip?sv=2021-06-08&se=2022-07-23T02%3A17%3A00Z&sr=c&sp=rl&sig=CjMXXU4WZr2d1NZbeUSU1KZ0z60tEObRqfsr%2FkIKPUo%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "Sherlock|Holmes|Watson", Options: Compiled)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 154.41371699669963 > 153.917664135514.
IsChangePoint: Marked as a change because one of 5/11/2022 9:09:01 PM, 5/20/2022 10:18:01 PM, 5/24/2022 7:55:26 PM, 6/22/2022 6:53:40 PM, 6/28/2022 4:38:49 AM falls between 6/19/2022 1:08:59 PM and 6/28/2022 4:38:49 AM.
IsRegressionStdDev: Marked as regression because -41.38176055194858 (T) = (0 -154744.75350745063) / Math.Sqrt((335214.6012950986 / (39)) + (614664.0370221194 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.05852307268354455 = (146189.30611984216 - 154744.75350745063) / 146189.30611984216 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "(?i)Sherlock", Options: Compiled)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 128.6538695355191 > 127.36861077425374.
IsChangePoint: Marked as a change because one of 5/11/2022 9:09:01 PM, 5/20/2022 10:18:01 PM, 5/24/2022 7:55:26 PM, 6/22/2022 6:53:40 PM, 6/28/2022 4:38:49 AM falls between 6/19/2022 1:08:59 PM and 6/28/2022 4:38:49 AM.
IsRegressionStdDev: Marked as regression because -44.25999063994772 (T) = (0 -128410.12367141017) / Math.Sqrt((404381.85721397464 / (39)) + (319470.3509335992 / (18))) is less than -2.0040447832881556 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (18) - 2, .025) and -0.06134123207895987 = (120988.53770137607 - 128410.12367141017) / 120988.53770137607 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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

Architecture | x64
-- | --
OS | Windows 10.0.18362
Baseline | [d3f7e0145437ca3afe7d8a0bab38cc95040cfc28](https://github.com/dotnet/runtime/commit/d3f7e0145437ca3afe7d8a0bab38cc95040cfc28)
Compare | [d17741d0c44b13cb4df864e0184cf1e499edcd57](https://github.com/dotnet/runtime/commit/d17741d0c44b13cb4df864e0184cf1e499edcd57)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d3f7e0145437ca3afe7d8a0bab38cc95040cfc28...d17741d0c44b13cb4df864e0184cf1e499edcd57)


### Regressions in System.Text.Json.Serialization.Tests.ColdStartSerialization&lt;SimpleStructWithProperties&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[NewCustomConverter - Duration of single invocation](<https://pvscmdupload.blob.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Text.Json.Serialization.Tests.ColdStartSerialization(SimpleStructWithProperties).NewCustomConverter.html>) | 23.18 μs | 28.44 μs | 1.23 | 0.06 | False | | |

![graph](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/06_28_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Text.Json.Serialization.Tests.ColdStartSerialization(SimpleStructWithProperties)_1.png>)
[Test Report](<https://pvscmdupload.blob.core.windows.net/autofilereport/autofilereports/06_28_2022/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Text.Json.Serialization.Tests.ColdStartSerialization(SimpleStructWithProperties).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Json.Serialization.Tests.ColdStartSerialization&lt;SimpleStructWithProperties&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-72c9f9d1-0540-4a84-b5b1-844ec7c4571325a4c5043614c56b5/4d7ec547-385a-4133-a62c-f70dd0455bd8.zip?sv=2019-07-07&se=2022-07-22T17%3A15%3A22Z&sr=c&sp=rl&sig=o9aX3sMp%2FnzsguAFV%2FigL55XfvAx7ncnHIuao3Woqkc%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-ff1ae094-3cc3-42ed-b878-31acb7d0dd179b5a7eaceea443387/61cba234-92a9-4875-989b-09ab2ae09cdd.zip?sv=2021-06-08&se=2022-07-23T02%3A17%3A00Z&sr=c&sp=rl&sig=CjMXXU4WZr2d1NZbeUSU1KZ0z60tEObRqfsr%2FkIKPUo%3D>)
### Histogram

#### System.Text.Json.Serialization.Tests.ColdStartSerialization&lt;SimpleStructWithProperties&gt;.NewCustomConverter

```log

```
### Description of detection logic
```IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 28.4422445750452 > 24.447789203980097.
IsChangePoint: Marked as a change because one of 5/9/2022 6:32:22 AM, 6/22/2022 6:53:40 PM, 6/28/2022 4:38:49 AM falls between 6/19/2022 1:08:59 PM and 6/28/2022 4:38:49 AM.
IsRegressionStdDev: Marked as regression because -33.26584895387854 (T) = (0 -29011.512395410962) / Math.Sqrt((287389.13213915617 / (39)) + (480583.35621665104 / (23))) is less than -2.0002978220134566 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (39) + (23) - 2, .025) and -0.23880750049422977 = (23418.90276240388 - 29011.512395410962) / 23418.90276240388 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### 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>




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Regressions in System.Text.Json.Serialization.Tests.ColdStartSerialization<SimpleStructWithProperties> #71392

Run Information

Regressions in System.Memory.Span<Int32>

Repro

Payloads

Histogram

System.Memory.Span<Int32>.IndexOfValue(Size: 512)

Description of detection logic

Docs

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock

Repro

Payloads

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_RustLang_Sherlock.Count(Pattern: "Sherlock|Holmes|Watson", Options: Compiled)

Description of detection logic

Description of detection logic

Docs

Run Information