[Perf] Linux/x64: 59 Regressions on 11/2/2022 4:25:40 PM

### Run Information

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [bdd67af67dbf43c0f5e9151b98dc100b9555898a](https://github.com/dotnet/runtime/commit/bdd67af67dbf43c0f5e9151b98dc100b9555898a)
Compare | [fbc20578253e0deb7267eea5a02b680c3cfe0e2a](https://github.com/dotnet/runtime/commit/fbc20578253e0deb7267eea5a02b680c3cfe0e2a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bdd67af67dbf43c0f5e9151b98dc100b9555898a...fbc20578253e0deb7267eea5a02b680c3cfe0e2a)


### Regressions in System.Numerics.Tests.Perf_VectorOf&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ConditionalSelectBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Byte).ConditionalSelectBenchmark.html>) | 3.11 ns | 9.71 ns | 3.13 | 0.47 | False | | |
[AbsBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Byte).AbsBenchmark.html>) | 2.90 ns | 3.91 ns | 1.35 | 0.51 | False | | |
[AndNotBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Byte).AndNotBenchmark.html>) | 3.16 ns | 9.42 ns | 2.99 | 0.46 | False | | |
[OnesComplementOperatorBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Byte).OnesComplementOperatorBenchmark.html>) | 4.12 ns | 9.17 ns | 2.23 | 0.27 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_08_2022/refs/heads/main_x64_ubuntu%2018.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_Regression/System.Numerics.Tests.Perf_VectorOf(Byte).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_VectorOf&lt;Byte&gt;*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 28 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/runtime/issues/78039>)
* [[Perf] Windows/x64: 31 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9560>)
* [[Perf] Windows/x86: 30 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9538>)
* [[Perf] Linux/x64: 15 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9534>)
* [[Perf] Alpine/x64: 18 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9528>)
#### Improvements
* [[Perf] Windows/x64: 4 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9583>)
* [[Perf] Windows/x64: 5 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9568>)
* [[Perf] Windows/x86: 3 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9554>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-61f8ed96-b3d1-4d0d-bb8d-7be49418cc9387301631f004596b9/de807c5b-2554-41b3-a7ed-e9ac8c6720c2.zip?sv=2021-08-06&se=2022-12-02T06%3A30%3A18Z&sr=c&sp=rl&sig=52qK%2FKdPxoYmEdG2ST5jDMso7u1nzJ7PxE%2Bo3Ic7%2Brs%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-49b59616-afe4-4a86-88e1-49266bd64212ea1174b3517453d81/be19f49f-6b7f-47a1-8a95-dc78d4fc5228.zip?sv=2021-08-06&se=2022-12-02T23%3A41%3A45Z&sr=c&sp=rl&sig=hKZf9XFUvsyugxZSP03lge1ZaglIBt%2FJThngSRO%2BD%2Fc%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_08_2022/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf-Byte-.OnesComplementOperatorBenchmark.txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Numerics.Tests.Perf_VectorOf&lt;Byte&gt;.ConditionalSelectBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.708599310662363 > 3.2421146326666.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -211.36363440761716 (T) = (0 -9.726078993075308) / Math.Sqrt((0.029687571625891588 / (31)) + (0.00014679510447676626 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -2.078985206910099 = (3.1588586301899997 - 9.726078993075308) / 3.1588586301899997 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Byte&gt;.AbsBenchmark

```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.
IsRegressionWindowed: Marked as regression because 3.9129686826572416 > 3.725767779511884.
IsChangePoint: Marked as a change because one of 10/30/2022 5:36:44 PM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -4.054607871924009 (T) = (0 -3.627839770912456) / Math.Sqrt((0.1349751557855404 / (16)) + (0.08619022070421639 / (34))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (16) + (34) - 2, .025) and -0.13258478075541288 = (3.203150733221715 - 3.627839770912456) / 3.203150733221715 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Byte&gt;.AndNotBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.419579978245908 > 3.2796371459389317.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -133.03736436305078 (T) = (0 -9.3427405922146) / Math.Sqrt((0.06433403671264686 / (31)) + (0.0024052918712732956 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -2.0137277633725263 = (3.1000612284102136 - 9.3427405922146) / 3.1000612284102136 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Byte&gt;.OnesComplementOperatorBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.165525510754637 > 3.0523499734213257.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -128.90273591456324 (T) = (0 -9.181027720534507) / Math.Sqrt((0.06117518887247477 / (31)) + (0.008129593530573503 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -2.2051702306606145 = (2.864443090326037 - 9.181027720534507) / 2.864443090326037 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.
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 | ubuntu 18.04
Baseline | [bdd67af67dbf43c0f5e9151b98dc100b9555898a](https://github.com/dotnet/runtime/commit/bdd67af67dbf43c0f5e9151b98dc100b9555898a)
Compare | [fbc20578253e0deb7267eea5a02b680c3cfe0e2a](https://github.com/dotnet/runtime/commit/fbc20578253e0deb7267eea5a02b680c3cfe0e2a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bdd67af67dbf43c0f5e9151b98dc100b9555898a...fbc20578253e0deb7267eea5a02b680c3cfe0e2a)


### Regressions in System.Numerics.Tests.Perf_VectorOf&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[OnesComplementBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Int32).OnesComplementBenchmark.html>) | 2.75 ns | 9.20 ns | 3.35 | 0.20 | False | | |
[OnesComplementOperatorBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Int32).OnesComplementOperatorBenchmark.html>) | 2.74 ns | 9.30 ns | 3.40 | 0.21 | False | | |
[AndNotBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Int32).AndNotBenchmark.html>) | 3.17 ns | 9.28 ns | 2.93 | 0.47 | False | | |
[ConditionalSelectBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Int32).ConditionalSelectBenchmark.html>) | 3.13 ns | 9.73 ns | 3.11 | 0.48 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_08_2022/refs/heads/main_x64_ubuntu%2018.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_Regression/System.Numerics.Tests.Perf_VectorOf(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_VectorOf&lt;Int32&gt;*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 28 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/runtime/issues/78039>)
* [[Perf] Windows/x64: 31 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9560>)
* [[Perf] Windows/x86: 30 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9538>)
* [[Perf] Linux/x64: 15 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9534>)
* [[Perf] Alpine/x64: 18 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9528>)
#### Improvements
* [[Perf] Windows/x64: 4 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9583>)
* [[Perf] Windows/x64: 5 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9568>)
* [[Perf] Windows/x86: 3 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9554>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-61f8ed96-b3d1-4d0d-bb8d-7be49418cc9387301631f004596b9/de807c5b-2554-41b3-a7ed-e9ac8c6720c2.zip?sv=2021-08-06&se=2022-12-02T06%3A30%3A18Z&sr=c&sp=rl&sig=52qK%2FKdPxoYmEdG2ST5jDMso7u1nzJ7PxE%2Bo3Ic7%2Brs%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-49b59616-afe4-4a86-88e1-49266bd64212ea1174b3517453d81/be19f49f-6b7f-47a1-8a95-dc78d4fc5228.zip?sv=2021-08-06&se=2022-12-02T23%3A41%3A45Z&sr=c&sp=rl&sig=hKZf9XFUvsyugxZSP03lge1ZaglIBt%2FJThngSRO%2BD%2Fc%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_08_2022/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf-Int32-.ConditionalSelectBenchmark.txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Numerics.Tests.Perf_VectorOf&lt;Int32&gt;.OnesComplementBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.202677352135359 > 2.9502145492997687.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -248.00953875505516 (T) = (0 -9.202923728668273) / Math.Sqrt((0.00862566119909591 / (31)) + (0.007274336171924177 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -2.256401236266472 = (2.8261025165374294 - 9.202923728668273) / 2.8261025165374294 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Int32&gt;.OnesComplementOperatorBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.300238498048524 > 3.037126283011585.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -201.20657594153576 (T) = (0 -9.215734058318192) / Math.Sqrt((0.010539935948370065 / (31)) + (0.012538993605785309 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -2.2299659209618574 = (2.8531985425944746 - 9.215734058318192) / 2.8531985425944746 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Int32&gt;.AndNotBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.283824817783087 > 3.0972113041108225.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -227.13130703954934 (T) = (0 -9.330820770573203) / Math.Sqrt((0.020916367833117098 / (31)) + (0.0016967368263415652 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -2.056589622806297 = (3.0526900637732477 - 9.330820770573203) / 3.0526900637732477 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Int32&gt;.ConditionalSelectBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.734824400368963 > 3.486777361921763.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -190.8991652303114 (T) = (0 -9.731284459193885) / Math.Sqrt((0.03612852924777575 / (31)) + (0.00012551151062415055 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -2.0449926656270754 = (3.195831822205673 - 9.731284459193885) / 3.195831822205673 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.
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 | ubuntu 18.04
Baseline | [bdd67af67dbf43c0f5e9151b98dc100b9555898a](https://github.com/dotnet/runtime/commit/bdd67af67dbf43c0f5e9151b98dc100b9555898a)
Compare | [fbc20578253e0deb7267eea5a02b680c3cfe0e2a](https://github.com/dotnet/runtime/commit/fbc20578253e0deb7267eea5a02b680c3cfe0e2a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bdd67af67dbf43c0f5e9151b98dc100b9555898a...fbc20578253e0deb7267eea5a02b680c3cfe0e2a)


### Regressions in System.Numerics.Tests.Perf_VectorOf&lt;Int16&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[OnesComplementBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Int16).OnesComplementBenchmark.html>) | 3.00 ns | 9.17 ns | 3.06 | 0.13 | False | | |
[ConditionalSelectBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Int16).ConditionalSelectBenchmark.html>) | 3.11 ns | 9.72 ns | 3.12 | 0.41 | False | | |
[OnesComplementOperatorBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Int16).OnesComplementOperatorBenchmark.html>) | 2.89 ns | 9.34 ns | 3.23 | 0.29 | False | | |
[AndNotBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf(Int16).AndNotBenchmark.html>) | 3.16 ns | 9.39 ns | 2.97 | 0.47 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_08_2022/refs/heads/main_x64_ubuntu%2018.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_Regression/System.Numerics.Tests.Perf_VectorOf(Int16).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_VectorOf&lt;Int16&gt;*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 28 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/runtime/issues/78039>)
* [[Perf] Windows/x64: 31 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9560>)
* [[Perf] Windows/x86: 30 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9538>)
* [[Perf] Linux/x64: 15 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9534>)
* [[Perf] Alpine/x64: 18 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9528>)
#### Improvements
* [[Perf] Windows/x64: 4 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9583>)
* [[Perf] Windows/x64: 5 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9568>)
* [[Perf] Windows/x86: 3 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9554>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-61f8ed96-b3d1-4d0d-bb8d-7be49418cc9387301631f004596b9/de807c5b-2554-41b3-a7ed-e9ac8c6720c2.zip?sv=2021-08-06&se=2022-12-02T06%3A30%3A18Z&sr=c&sp=rl&sig=52qK%2FKdPxoYmEdG2ST5jDMso7u1nzJ7PxE%2Bo3Ic7%2Brs%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-49b59616-afe4-4a86-88e1-49266bd64212ea1174b3517453d81/be19f49f-6b7f-47a1-8a95-dc78d4fc5228.zip?sv=2021-08-06&se=2022-12-02T23%3A41%3A45Z&sr=c&sp=rl&sig=hKZf9XFUvsyugxZSP03lge1ZaglIBt%2FJThngSRO%2BD%2Fc%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_08_2022/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_VectorOf-Int16-.AndNotBenchmark.txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Numerics.Tests.Perf_VectorOf&lt;Int16&gt;.OnesComplementBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.172717175891426 > 3.049656375257257.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -246.86746275678226 (T) = (0 -9.173159684128953) / Math.Sqrt((0.0022958017063680054 / (31)) + (0.011034594572024737 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -2.211973100888315 = (2.8559266830696655 - 9.173159684128953) / 2.8559266830696655 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Int16&gt;.ConditionalSelectBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.716598034074371 > 3.2686649787112256.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -261.6728171781317 (T) = (0 -9.722972205760604) / Math.Sqrt((0.018564885566641934 / (31)) + (0.00029948102803120386 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -2.004949266336037 = (3.235652699593133 - 9.722972205760604) / 3.235652699593133 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Int16&gt;.OnesComplementOperatorBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.343872076223343 > 3.113629355130062.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -184.9989879169057 (T) = (0 -9.2238995106291) / Math.Sqrt((0.02140720577441967 / (31)) + (0.008815269318567473 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -2.1395474982816105 = (2.9379710024064543 - 9.2238995106291) / 2.9379710024064543 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_VectorOf&lt;Int16&gt;.AndNotBenchmark

```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.
IsRegressionWindowed: Marked as regression because 9.392419924154426 > 3.306382396365186.
IsChangePoint: Marked as a change because one of 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -218.13552842981684 (T) = (0 -9.383920588226768) / Math.Sqrt((0.020067899561086965 / (30)) + (0.0033510075510733124 / (19))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (30) + (19) - 2, .025) and -2.084945477632499 = (3.041843253394655 - 9.383920588226768) / 3.041843253394655 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.
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 | ubuntu 18.04
Baseline | [bdd67af67dbf43c0f5e9151b98dc100b9555898a](https://github.com/dotnet/runtime/commit/bdd67af67dbf43c0f5e9151b98dc100b9555898a)
Compare | [fbc20578253e0deb7267eea5a02b680c3cfe0e2a](https://github.com/dotnet/runtime/commit/fbc20578253e0deb7267eea5a02b680c3cfe0e2a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bdd67af67dbf43c0f5e9151b98dc100b9555898a...fbc20578253e0deb7267eea5a02b680c3cfe0e2a)


### Regressions in System.Collections.IterateForEach&lt;String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Array - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Collections.IterateForEach(String).Array(Size%3a%20512).html>) | 295.58 ns | 459.48 ns | 1.55 | 0.04 | False | | |
[ReadOnlySpan - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Collections.IterateForEach(String).ReadOnlySpan(Size%3a%20512).html>) | 458.10 ns | 682.08 ns | 1.49 | 0.03 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_08_2022/refs/heads/main_x64_ubuntu%2018.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_Regression/System.Collections.IterateForEach(String).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.IterateForEach&lt;String&gt;*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 28 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/runtime/issues/78039>)
* [[Perf] Windows/x64: 31 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9560>)
* [[Perf] Windows/x86: 30 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9538>)
* [[Perf] Linux/x64: 15 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9534>)
* [[Perf] Alpine/x64: 18 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9528>)
#### Improvements
* [[Perf] Windows/x64: 4 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9583>)
* [[Perf] Windows/x64: 5 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9568>)
* [[Perf] Windows/x86: 3 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9554>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-61f8ed96-b3d1-4d0d-bb8d-7be49418cc9387301631f004596b9/de807c5b-2554-41b3-a7ed-e9ac8c6720c2.zip?sv=2021-08-06&se=2022-12-02T06%3A30%3A18Z&sr=c&sp=rl&sig=52qK%2FKdPxoYmEdG2ST5jDMso7u1nzJ7PxE%2Bo3Ic7%2Brs%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-49b59616-afe4-4a86-88e1-49266bd64212ea1174b3517453d81/be19f49f-6b7f-47a1-8a95-dc78d4fc5228.zip?sv=2021-08-06&se=2022-12-02T23%3A41%3A45Z&sr=c&sp=rl&sig=hKZf9XFUvsyugxZSP03lge1ZaglIBt%2FJThngSRO%2BD%2Fc%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_08_2022/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Collections.IterateForEach-String-.ReadOnlySpan(Size- 512).txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Collections.IterateForEach&lt;String&gt;.Array(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.
IsRegressionWindowed: Marked as regression because 459.48332969450746 > 310.46955687713313.
IsChangePoint: Marked as a change because one of 8/30/2022 12:00:50 PM, 9/10/2022 11:12:52 PM, 9/21/2022 9:54:19 PM, 10/18/2022 9:26:37 AM, 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -1373.7272007225604 (T) = (0 -459.30916066966785) / Math.Sqrt((0.052255858195927866 / (31)) + (0.23743961627529306 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -0.5532334700790591 = (295.7116039009185 - 459.30916066966785) / 295.7116039009185 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Collections.IterateForEach&lt;String&gt;.ReadOnlySpan(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.
IsRegressionWindowed: Marked as regression because 682.0759055516708 > 481.2748606447134.
IsChangePoint: Marked as a change because one of 8/30/2022 12:00:50 PM, 9/10/2022 11:12:52 PM, 9/29/2022 8:01:59 PM, 10/18/2022 9:26:37 AM, 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -1508.6741425375667 (T) = (0 -681.990433380907) / Math.Sqrt((0.28338834589491785 / (31)) + (0.2436811312352892 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -0.4878069078130593 = (458.38638723849647 - 681.990433380907) / 458.38638723849647 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.
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 | ubuntu 18.04
Baseline | [bdd67af67dbf43c0f5e9151b98dc100b9555898a](https://github.com/dotnet/runtime/commit/bdd67af67dbf43c0f5e9151b98dc100b9555898a)
Compare | [fbc20578253e0deb7267eea5a02b680c3cfe0e2a](https://github.com/dotnet/runtime/commit/fbc20578253e0deb7267eea5a02b680c3cfe0e2a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bdd67af67dbf43c0f5e9151b98dc100b9555898a...fbc20578253e0deb7267eea5a02b680c3cfe0e2a)


### Regressions in System.Tests.Perf_Char

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Char_ToLower - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Char.Char_ToLower(c%3a%20%27a%27%2c%20cultureName%3a%20en-US).html>) | 11.52 ns | 13.10 ns | 1.14 | 0.16 | False | | |
[Char_ToUpperInvariant - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Char.Char_ToUpperInvariant(input%3a%20%22Hello%20World!%22).html>) | 100.26 ns | 116.89 ns | 1.17 | 0.05 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_08_2022/refs/heads/main_x64_ubuntu%2018.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_Regression/System.Tests.Perf_Char.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Tests.Perf_Char*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 28 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/runtime/issues/78039>)
* [[Perf] Windows/x64: 31 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9560>)
* [[Perf] Windows/x86: 30 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9538>)
* [[Perf] Linux/x64: 15 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9534>)
* [[Perf] Alpine/x64: 18 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9528>)
#### Improvements
* [[Perf] Windows/x64: 4 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9583>)
* [[Perf] Windows/x64: 5 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9568>)
* [[Perf] Windows/x86: 3 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9554>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-61f8ed96-b3d1-4d0d-bb8d-7be49418cc9387301631f004596b9/de807c5b-2554-41b3-a7ed-e9ac8c6720c2.zip?sv=2021-08-06&se=2022-12-02T06%3A30%3A18Z&sr=c&sp=rl&sig=52qK%2FKdPxoYmEdG2ST5jDMso7u1nzJ7PxE%2Bo3Ic7%2Brs%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-49b59616-afe4-4a86-88e1-49266bd64212ea1174b3517453d81/be19f49f-6b7f-47a1-8a95-dc78d4fc5228.zip?sv=2021-08-06&se=2022-12-02T23%3A41%3A45Z&sr=c&sp=rl&sig=hKZf9XFUvsyugxZSP03lge1ZaglIBt%2FJThngSRO%2BD%2Fc%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_08_2022/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Tests.Perf_Char.Char_ToUpperInvariant(input- -Hello World!-).txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Tests.Perf_Char.Char_ToLower(c: 'a', cultureName: en-US)

```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.
IsRegressionWindowed: Marked as regression because 13.10145478250563 > 12.095987005954012.
IsChangePoint: Marked as a change because one of 10/5/2022 3:48:29 AM, 10/11/2022 8:42:28 PM, 10/18/2022 9:26:37 AM, 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -9.141166508971919 (T) = (0 -13.152515264124235) / Math.Sqrt((0.0634678049070142 / (30)) + (0.525738948116271 / (19))) is less than -2.011740513728388 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (30) + (19) - 2, .025) and -0.13629875847655515 = (11.574874271408971 - 13.152515264124235) / 11.574874271408971 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Tests.Perf_Char.Char_ToUpperInvariant(input: "Hello World!")

```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.
IsRegressionWindowed: Marked as regression because 116.88501989544638 > 105.18496469591452.
IsChangePoint: Marked as a change because one of 9/2/2022 11:09:40 AM, 9/8/2022 12:20:47 PM, 9/29/2022 8:01:59 PM, 10/27/2022 9:35:54 AM, 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -13.43493501181134 (T) = (0 -117.30063966661007) / Math.Sqrt((22.255410235265717 / (31)) + (5.58412929643243 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -0.13021040562850203 = (103.78655078952313 - 117.30063966661007) / 103.78655078952313 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.
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 | ubuntu 18.04
Baseline | [bdd67af67dbf43c0f5e9151b98dc100b9555898a](https://github.com/dotnet/runtime/commit/bdd67af67dbf43c0f5e9151b98dc100b9555898a)
Compare | [fbc20578253e0deb7267eea5a02b680c3cfe0e2a](https://github.com/dotnet/runtime/commit/fbc20578253e0deb7267eea5a02b680c3cfe0e2a)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bdd67af67dbf43c0f5e9151b98dc100b9555898a...fbc20578253e0deb7267eea5a02b680c3cfe0e2a)


### Regressions in System.Numerics.Tests.Perf_BitOperations

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Log2_ulong - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_BitOperations.Log2_ulong.html>) | 895.22 ns | 1.32 μs | 1.47 | 0.03 | False | | |
[LeadingZeroCount_ulong - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_ulong.html>) | 746.19 ns | 1.10 μs | 1.48 | 0.02 | False | | |
[LeadingZeroCount_uint - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint.html>) | 667.49 ns | 1.10 μs | 1.65 | 0.02 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_08_2022/refs/heads/main_x64_ubuntu%2018.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_Regression/System.Numerics.Tests.Perf_BitOperations.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_BitOperations*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 28 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/runtime/issues/78039>)
* [[Perf] Windows/x64: 31 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9560>)
* [[Perf] Windows/x86: 30 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9538>)
* [[Perf] Linux/x64: 15 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9534>)
* [[Perf] Alpine/x64: 18 Regressions on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9528>)
#### Improvements
* [[Perf] Windows/x64: 4 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9583>)
* [[Perf] Windows/x64: 5 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9568>)
* [[Perf] Windows/x86: 3 Improvements on 11/2/2022 4:25:40 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9554>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-61f8ed96-b3d1-4d0d-bb8d-7be49418cc9387301631f004596b9/de807c5b-2554-41b3-a7ed-e9ac8c6720c2.zip?sv=2021-08-06&se=2022-12-02T06%3A30%3A18Z&sr=c&sp=rl&sig=52qK%2FKdPxoYmEdG2ST5jDMso7u1nzJ7PxE%2Bo3Ic7%2Brs%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-49b59616-afe4-4a86-88e1-49266bd64212ea1174b3517453d81/be19f49f-6b7f-47a1-8a95-dc78d4fc5228.zip?sv=2021-08-06&se=2022-12-02T23%3A41%3A45Z&sr=c&sp=rl&sig=hKZf9XFUvsyugxZSP03lge1ZaglIBt%2FJThngSRO%2BD%2Fc%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_08_2022/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false/System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint.txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Numerics.Tests.Perf_BitOperations.Log2_ulong

```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.
IsRegressionWindowed: Marked as regression because 1.3199362918110857 > 939.9019055566016.
IsChangePoint: Marked as a change because one of 8/30/2022 12:00:50 PM, 9/10/2022 11:12:52 PM, 9/21/2022 9:54:19 PM, 10/3/2022 8:45:37 PM, 10/18/2022 9:26:37 AM, 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -1659.2904419196575 (T) = (0 -1320.5936904490882) / Math.Sqrt((0.1081329163430295 / (31)) + (1.1835436526965102 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -0.4754815659054461 = (895.0255435002272 - 1320.5936904490882) / 895.0255435002272 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_ulong

```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.
IsRegressionWindowed: Marked as regression because 1.1025752622227607 > 783.081472002204.
IsChangePoint: Marked as a change because one of 8/30/2022 12:00:50 PM, 9/10/2022 11:12:52 PM, 9/21/2022 9:54:19 PM, 10/3/2022 8:45:37 PM, 10/18/2022 9:26:37 AM, 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -1611.1063054104666 (T) = (0 -1103.1841508442424) / Math.Sqrt((0.1746362845219137 / (31)) + (0.8276779267500464 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -0.4791161651317811 = (745.8401015757642 - 1103.1841508442424) / 745.8401015757642 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.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Numerics.Tests.Perf_BitOperations.LeadingZeroCount_uint

```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.
IsRegressionWindowed: Marked as regression because 1.099078617094986 > 700.7997576002152.
IsChangePoint: Marked as a change because one of 8/30/2022 12:00:50 PM, 9/10/2022 11:12:52 PM, 9/21/2022 9:54:19 PM, 10/3/2022 8:45:37 PM, 10/18/2022 9:26:37 AM, 11/2/2022 9:35:40 AM, 11/8/2022 2:29:58 AM falls between 10/30/2022 12:44:54 AM and 11/8/2022 2:29:58 AM.
IsRegressionStdDev: Marked as regression because -885.4453215244073 (T) = (0 -1100.2172150692463) / Math.Sqrt((0.20491164629965838 / (31)) + (4.414028089355247 / (19))) is less than -2.010634757623041 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (31) + (19) - 2, .025) and -0.6484881582571643 = (667.4098382559399 - 1100.2172150692463) / 667.4098382559399 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.
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>




Architecture	x64
OS	ubuntu 18.04
Baseline	bdd67af67dbf43c0f5e9151b98dc100b9555898a
Compare	fbc20578253e0deb7267eea5a02b680c3cfe0e2a
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ConditionalSelectBenchmark - Duration of single invocation	3.11 ns	9.71 ns	3.13	0.47	False
AbsBenchmark - Duration of single invocation	2.90 ns	3.91 ns	1.35	0.51	False
AndNotBenchmark - Duration of single invocation	3.16 ns	9.42 ns	2.99	0.46	False
OnesComplementOperatorBenchmark - Duration of single invocation	4.12 ns	9.17 ns	2.23	0.27	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
OnesComplementBenchmark - Duration of single invocation	2.75 ns	9.20 ns	3.35	0.20	False
OnesComplementOperatorBenchmark - Duration of single invocation	2.74 ns	9.30 ns	3.40	0.21	False
AndNotBenchmark - Duration of single invocation	3.17 ns	9.28 ns	2.93	0.47	False
ConditionalSelectBenchmark - Duration of single invocation	3.13 ns	9.73 ns	3.11	0.48	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
OnesComplementBenchmark - Duration of single invocation	3.00 ns	9.17 ns	3.06	0.13	False
ConditionalSelectBenchmark - Duration of single invocation	3.11 ns	9.72 ns	3.12	0.41	False
OnesComplementOperatorBenchmark - Duration of single invocation	2.89 ns	9.34 ns	3.23	0.29	False
AndNotBenchmark - Duration of single invocation	3.16 ns	9.39 ns	2.97	0.47	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Array - Duration of single invocation	295.58 ns	459.48 ns	1.55	0.04	False
ReadOnlySpan - Duration of single invocation	458.10 ns	682.08 ns	1.49	0.03	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Char_ToLower - Duration of single invocation	11.52 ns	13.10 ns	1.14	0.16	False
Char_ToUpperInvariant - Duration of single invocation	100.26 ns	116.89 ns	1.17	0.05	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Log2_ulong - Duration of single invocation	895.22 ns	1.32 μs	1.47	0.03	False
LeadingZeroCount_ulong - Duration of single invocation	746.19 ns	1.10 μs	1.48	0.02	False
LeadingZeroCount_uint - Duration of single invocation	667.49 ns	1.10 μs	1.65	0.02	False

Uh oh!

[Perf] Linux/x64: 59 Regressions on 11/2/2022 4:25:40 PM #9599

Description

Run Information

Regressions in System.Numerics.Tests.Perf_VectorOf<Byte>

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Numerics.Tests.Perf_VectorOf<Byte>.ConditionalSelectBenchmark

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Regressions in System.Numerics.Tests.Perf_VectorOf<Int32>

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Numerics.Tests.Perf_VectorOf<Int32>.OnesComplementBenchmark

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Run Information

Regressions in System.Numerics.Tests.Perf_VectorOf<Int16>

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Numerics.Tests.Perf_VectorOf<Int16>.OnesComplementBenchmark

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Run Information

Regressions in System.Collections.IterateForEach<String>

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Collections.IterateForEach<String>.Array(Size: 512)

Description of detection logic

Description of detection logic

Docs

Run Information

Regressions in System.Tests.Perf_Char

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Tests.Perf_Char.Char_ToLower(c: 'a', cultureName: en-US)

Description of detection logic

Description of detection logic

Docs

Run Information

Regressions in System.Numerics.Tests.Perf_BitOperations

Repro

Related Issues

Regressions

Improvements

Payloads