[Perf] Changes at 4/25/2022 3:15:54 PM

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [a9d25b6324708127c0aada0244e7a76af390b56d](https://github.com/dotnet/runtime/commit/a9d25b6324708127c0aada0244e7a76af390b56d)
Compare | [3f4ac7f4c38d4e8043175639dd3a47f921500442](https://github.com/dotnet/runtime/commit/3f4ac7f4c38d4e8043175639dd3a47f921500442)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a9d25b6324708127c0aada0244e7a76af390b56d...3f4ac7f4c38d4e8043175639dd3a47f921500442)


### Regressions in System.Text.Tests.Perf_Encoding

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[GetChars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Tests.Perf_Encoding.GetChars(size%3a%20512%2c%20encName%3a%20%22utf-8%22).html>) | 98.26 ns | 110.39 ns | 1.12 | 0.07 | False | | |
[GetString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Tests.Perf_Encoding.GetString(size%3a%20512%2c%20encName%3a%20%22utf-8%22).html>) | 90.52 ns | 105.21 ns | 1.16 | 0.09 | False | | |
[GetChars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Tests.Perf_Encoding.GetChars(size%3a%2016%2c%20encName%3a%20%22utf-8%22).html>) | 29.83 ns | 36.72 ns | 1.23 | 0.10 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Tests.Perf_Encoding_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Tests.Perf_Encoding_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Tests.Perf_Encoding_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Tests.Perf_Encoding.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Tests.Perf_Encoding*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-2e23f7f2-42c7-4db8-b60b-c29e4e12f03c1c2706d9b954f378f/4034e860-2bbd-40e6-a760-35989ff400bf.zip?sv=2019-07-07&se=2022-05-25T10%3A32%3A30Z&sr=c&sp=rl&sig=OeCZ7NHiywIMxoq%2BV97MNiLtz3eYuXei%2FGr8LPy0x40%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-79787bde-9dfa-458a-ab96-a840feb8ae204e0f568fb0542f5bf/c3b74913-5d1e-4870-a223-09f6ef11d7d2.zip?sv=2019-07-07&se=2022-05-25T19%3A24%3A09Z&sr=c&sp=rl&sig=I9lsROellfrCPZ8M1v%2F5gp1cdI1dNaI4JPiXUeFHNDc%3D>)
### Histogram

#### System.Text.Tests.Perf_Encoding.GetChars(size: 512, encName: "utf-8")

```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 110.38604202467967 > 103.14220061275307.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 3/23/2022 6:35:24 PM, 4/25/2022 11:05:49 AM, 4/26/2022 6:18:08 AM falls between 4/17/2022 3:25:40 PM and 4/26/2022 6:18:08 AM.
IsRegressionStdDev: Marked as regression because -73.55434422020438 (T) = (0 -110.4705984435926) / Math.Sqrt((1.3181753708610513 / (55)) + (0.007581557031792949 / (3))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (55) + (3) - 2, .025) and -0.12154973336553813 = (98.49817191083739 - 110.4705984435926) / 98.49817191083739 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.Tests.Perf_Encoding.GetString(size: 512, encName: "utf-8")

```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 105.20531467795311 > 95.02835537614881.
IsChangePoint: Marked as a change because one of 3/4/2022 3:52:45 PM, 3/7/2022 10:45:01 PM, 3/21/2022 1:28:14 PM, 3/25/2022 7:34:40 AM, 4/25/2022 11:05:49 AM, 4/26/2022 6:18:08 AM falls between 4/17/2022 3:25:40 PM and 4/26/2022 6:18:08 AM.
IsRegressionStdDev: Marked as regression because -62.973701577965585 (T) = (0 -105.2643868896783) / Math.Sqrt((2.982663266993408 / (55)) + (0.002725657231597837 / (3))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (55) + (3) - 2, .025) and -0.16343650781164562 = (90.47712202849326 - 105.2643868896783) / 90.47712202849326 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.Tests.Perf_Encoding.GetChars(size: 16, encName: "utf-8")

```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 36.72061018190148 > 31.21869926682091.
IsChangePoint: Marked as a change because one of 3/18/2022 2:15:20 PM, 4/25/2022 11:05:49 AM, 4/26/2022 6:18:08 AM falls between 4/17/2022 3:25:40 PM and 4/26/2022 6:18:08 AM.
IsRegressionStdDev: Marked as regression because -10.109131726201786 (T) = (0 -36.976784843415736) / Math.Sqrt((0.1427228925743686 / (55)) + (1.3688149389557562 / (3))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (55) + (3) - 2, .025) and -0.2272866624618307 = (30.128889993185055 - 36.976784843415736) / 30.128889993185055 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 10.0.19042
Baseline | [a9d25b6324708127c0aada0244e7a76af390b56d](https://github.com/dotnet/runtime/commit/a9d25b6324708127c0aada0244e7a76af390b56d)
Compare | [3f4ac7f4c38d4e8043175639dd3a47f921500442](https://github.com/dotnet/runtime/commit/3f4ac7f4c38d4e8043175639dd3a47f921500442)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a9d25b6324708127c0aada0244e7a76af390b56d...3f4ac7f4c38d4e8043175639dd3a47f921500442)


### Regressions in PerfLabTests.CastingPerf

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IFooObjIsIFoo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/PerfLabTests.CastingPerf.IFooObjIsIFoo.html>) | 501.17 μs | 746.78 μs | 1.49 | 0.38 | False | | |
[CheckArrayIsNonvariantGenericInterfaceNo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/PerfLabTests.CastingPerf.CheckArrayIsNonvariantGenericInterfaceNo.html>) | 7.59 ns | 12.14 ns | 1.60 | 0.41 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/PerfLabTests.CastingPerf_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/PerfLabTests.CastingPerf_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/PerfLabTests.CastingPerf.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'PerfLabTests.CastingPerf*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-2e23f7f2-42c7-4db8-b60b-c29e4e12f03c1c2706d9b954f378f/4034e860-2bbd-40e6-a760-35989ff400bf.zip?sv=2019-07-07&se=2022-05-25T10%3A32%3A30Z&sr=c&sp=rl&sig=OeCZ7NHiywIMxoq%2BV97MNiLtz3eYuXei%2FGr8LPy0x40%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-79787bde-9dfa-458a-ab96-a840feb8ae204e0f568fb0542f5bf/c3b74913-5d1e-4870-a223-09f6ef11d7d2.zip?sv=2019-07-07&se=2022-05-25T19%3A24%3A09Z&sr=c&sp=rl&sig=I9lsROellfrCPZ8M1v%2F5gp1cdI1dNaI4JPiXUeFHNDc%3D>)
### Histogram

#### PerfLabTests.CastingPerf.IFooObjIsIFoo

```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 746.7817708333333 > 539.0385636268029.
IsChangePoint: Marked as a change because one of 3/8/2022 5:51:58 AM, 3/11/2022 11:18:20 AM, 4/25/2022 11:05:49 AM, 4/26/2022 6:18:08 AM falls between 4/17/2022 3:25:40 PM and 4/26/2022 6:18:08 AM.
IsRegressionStdDev: Marked as regression because -3.4853443562581 (T) = (0 -947343.0085784314) / Math.Sqrt((14419596474.537815 / (55)) + (30180846071.982964 / (3))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (55) + (3) - 2, .025) and -0.5969134144392011 = (593233.797156821 - 947343.0085784314) / 593233.797156821 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.

```#### PerfLabTests.CastingPerf.CheckArrayIsNonvariantGenericInterfaceNo

```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 12.143733030819977 > 7.730138894624011.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 4/3/2022 3:34:31 AM, 4/4/2022 4:14:58 AM, 4/25/2022 2:48:42 AM, 4/26/2022 6:18:08 AM falls between 4/17/2022 3:25:40 PM and 4/26/2022 6:18:08 AM.
IsRegressionStdDev: Marked as regression because -12.085092571856082 (T) = (0 -11.707063810166687) / Math.Sqrt((0.9530977214325811 / (52)) + (0.9227826681232261 / (6))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (52) + (6) - 2, .025) and -0.7490999033509673 = (6.693193332032101 - 11.707063810166687) / 6.693193332032101 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 10.0.19042
Baseline | [a9d25b6324708127c0aada0244e7a76af390b56d](https://github.com/dotnet/runtime/commit/a9d25b6324708127c0aada0244e7a76af390b56d)
Compare | [3f4ac7f4c38d4e8043175639dd3a47f921500442](https://github.com/dotnet/runtime/commit/3f4ac7f4c38d4e8043175639dd3a47f921500442)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a9d25b6324708127c0aada0244e7a76af390b56d...3f4ac7f4c38d4e8043175639dd3a47f921500442)


### Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20IList).html>) | 1.01 μs | 1.11 μs | 1.10 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Linq.Tests.Perf_Enumerable_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Linq.Tests.Perf_Enumerable.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Linq.Tests.Perf_Enumerable*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-2e23f7f2-42c7-4db8-b60b-c29e4e12f03c1c2706d9b954f378f/4034e860-2bbd-40e6-a760-35989ff400bf.zip?sv=2019-07-07&se=2022-05-25T10%3A32%3A30Z&sr=c&sp=rl&sig=OeCZ7NHiywIMxoq%2BV97MNiLtz3eYuXei%2FGr8LPy0x40%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-79787bde-9dfa-458a-ab96-a840feb8ae204e0f568fb0542f5bf/c3b74913-5d1e-4870-a223-09f6ef11d7d2.zip?sv=2019-07-07&se=2022-05-25T19%3A24%3A09Z&sr=c&sp=rl&sig=I9lsROellfrCPZ8M1v%2F5gp1cdI1dNaI4JPiXUeFHNDc%3D>)
### Histogram

#### System.Linq.Tests.Perf_Enumerable.Select(input: IList)

```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 1.112483387355955 > 1.059702745925858.
IsChangePoint: Marked as a change because one of 2/19/2022 1:52:17 PM, 4/7/2022 3:14:09 PM, 4/16/2022 5:36:25 PM, 4/25/2022 11:05:49 AM, 4/26/2022 6:18:08 AM falls between 4/17/2022 3:25:40 PM and 4/26/2022 6:18:08 AM.
IsRegressionStdDev: Marked as regression because -12.495458940095526 (T) = (0 -1112.6850838105906) / Math.Sqrt((2252.3991069586846 / (55)) + (0.25533249089619414 / (3))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (55) + (3) - 2, .025) and -0.07751685974488794 = (1032.6382123376047 - 1112.6850838105906) / 1032.6382123376047 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 10.0.19042
Baseline | [a9d25b6324708127c0aada0244e7a76af390b56d](https://github.com/dotnet/runtime/commit/a9d25b6324708127c0aada0244e7a76af390b56d)
Compare | [3f4ac7f4c38d4e8043175639dd3a47f921500442](https://github.com/dotnet/runtime/commit/3f4ac7f4c38d4e8043175639dd3a47f921500442)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a9d25b6324708127c0aada0244e7a76af390b56d...3f4ac7f4c38d4e8043175639dd3a47f921500442)


### Regressions in System.Collections.ContainsFalse&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ICollection - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Collections.ContainsFalse(Int32).ICollection(Size%3a%20512).html>) | 16.92 μs | 22.12 μs | 1.31 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Collections.ContainsFalse(Int32)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_26_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Collections.ContainsFalse(Int32).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.ContainsFalse&lt;Int32&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-2e23f7f2-42c7-4db8-b60b-c29e4e12f03c1c2706d9b954f378f/4034e860-2bbd-40e6-a760-35989ff400bf.zip?sv=2019-07-07&se=2022-05-25T10%3A32%3A30Z&sr=c&sp=rl&sig=OeCZ7NHiywIMxoq%2BV97MNiLtz3eYuXei%2FGr8LPy0x40%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-79787bde-9dfa-458a-ab96-a840feb8ae204e0f568fb0542f5bf/c3b74913-5d1e-4870-a223-09f6ef11d7d2.zip?sv=2019-07-07&se=2022-05-25T19%3A24%3A09Z&sr=c&sp=rl&sig=I9lsROellfrCPZ8M1v%2F5gp1cdI1dNaI4JPiXUeFHNDc%3D>)
### Histogram

#### System.Collections.ContainsFalse&lt;Int32&gt;.ICollection(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 22.117128418198963 > 17.76386576704546.
IsChangePoint: Marked as a change because one of 4/25/2022 11:05:49 AM, 4/26/2022 6:18:08 AM falls between 4/17/2022 3:25:40 PM and 4/26/2022 6:18:08 AM.
IsRegressionStdDev: Marked as regression because -424.3460759080571 (T) = (0 -22108.99384134842) / Math.Sqrt((7217.817995957334 / (55)) + (56.36996203148867 / (3))) is less than -2.0032407188469383 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (55) + (3) - 2, .025) and -0.30733968310025006 = (16911.437881942613 - 22108.99384134842) / 16911.437881942613 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>




Architecture	x64
OS	Windows 10.0.19042
Baseline	a9d25b6324708127c0aada0244e7a76af390b56d
Compare	3f4ac7f4c38d4e8043175639dd3a47f921500442
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
GetChars - Duration of single invocation	98.26 ns	110.39 ns	1.12	0.07	False
GetString - Duration of single invocation	90.52 ns	105.21 ns	1.16	0.09	False
GetChars - Duration of single invocation	29.83 ns	36.72 ns	1.23	0.10	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
IFooObjIsIFoo - Duration of single invocation	501.17 μs	746.78 μs	1.49	0.38	False
CheckArrayIsNonvariantGenericInterfaceNo - Duration of single invocation	7.59 ns	12.14 ns	1.60	0.41	False

[Perf] Changes at 4/25/2022 3:15:54 PM #4884

Description

Run Information

Regressions in System.Text.Tests.Perf_Encoding

Repro

Payloads

Histogram

System.Text.Tests.Perf_Encoding.GetChars(size: 512, encName: "utf-8")

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Regressions in PerfLabTests.CastingPerf

Repro

Payloads

Histogram

PerfLabTests.CastingPerf.IFooObjIsIFoo

Description of detection logic

Description of detection logic

Docs

Run Information

Regressions in System.Linq.Tests.Perf_Enumerable

Repro

Payloads

Histogram

System.Linq.Tests.Perf_Enumerable.Select(input: IList)

Description of detection logic

Docs

Run Information

Regressions in System.Collections.ContainsFalse<Int32>

Repro

Payloads

Histogram

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

Description of detection logic

Docs

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