[Perf] Alpine/x64: 4 Regressions on 10/26/2022 10:56:11 AM

### Run Information

Architecture | x64
-- | --
OS | alpine 3.15
Baseline | [a8ea8e67dc20689aa2e4c738a2f84ea3483ec872](https://github.com/dotnet/runtime/commit/a8ea8e67dc20689aa2e4c738a2f84ea3483ec872)
Compare | [e6bac1e15f3ea795c84cbd009eb8b77da460c9e1](https://github.com/dotnet/runtime/commit/e6bac1e15f3ea795c84cbd009eb8b77da460c9e1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a8ea8e67dc20689aa2e4c738a2f84ea3483ec872...e6bac1e15f3ea795c84cbd009eb8b77da460c9e1)


### Regressions in System.Globalization.Tests.StringEquality

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Compare_Same_Upper - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_alpine 3.15/System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count%3a%201024%2c%20Options%3a%20(en-US%2c%20OrdinalIgnoreCase)).html>) | 1.40 μs | 1.50 μs | 1.07 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_alpine%203.15_Regression/System.Globalization.Tests.StringEquality_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_alpine%203.15_Regression/System.Globalization.Tests.StringEquality.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Globalization.Tests.StringEquality*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 13 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9383>)
* [[Perf] Windows/x64: 14 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9340>)
* [[Perf] Alpine/x64: 8 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9322>)
* [[Perf] Linux/x64: 4 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9305>)
#### Improvements
* [[Perf] Linux/x64: 1 Improvement on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9334>)
* [[Perf] Linux/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9272>)
* [[Perf] Windows/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9267>)
* [[Perf] Windows/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9248>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-85352a3b-af2b-4e90-b8ff-cf88644159542b81cdc60ee4ba0ae/05b047c7-250e-49a2-a816-0438ae7437d2.zip?sv=2021-08-06&se=2022-11-25T04%3A18%3A21Z&sr=c&sp=rl&sig=PSlOR5Sjgg0vcrpYtnYqXad20723ZO%2F34b1oETlflh4%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-4dac0dd1-3f2a-4506-81e5-87cadae5b059bf4a79e8b59424993/a960c52a-707c-4957-83d7-1ae78f3621ca.zip?sv=2021-08-06&se=2022-11-25T19%3A17%3A31Z&sr=c&sp=rl&sig=h5grKo%2F0KEdgdkSBAjXUJM1RgiUUNAkbxmsPpAqytbI%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_01_2022/refs/heads/main_x64_alpine 3.15/System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count- 1024, Options- (en-US, OrdinalIgnoreCase)).txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count: 1024, Options: (en-US, OrdinalIgnoreCase))

```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 1.495309277490339 > 1.472598281218323.
IsChangePoint: Marked as a change because one of 7/28/2022 3:42:13 AM, 8/1/2022 8:26:50 AM, 8/4/2022 6:25:19 PM, 10/11/2022 8:42:28 PM, 10/17/2022 3:19:47 PM, 10/26/2022 7:11:30 AM, 11/1/2022 6:58:35 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 6:58:35 AM.
IsRegressionStdDev: Marked as regression because -31.98160442181763 (T) = (0 -1562.6047476669726) / Math.Sqrt((67.37301004284778 / (25)) + (609.1353466596897 / (26))) is less than -2.0095752371279447 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (26) - 2, .025) and -0.1168291031093855 = (1399.144008081894 - 1562.6047476669726) / 1399.144008081894 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 | alpine 3.15
Baseline | [a8ea8e67dc20689aa2e4c738a2f84ea3483ec872](https://github.com/dotnet/runtime/commit/a8ea8e67dc20689aa2e4c738a2f84ea3483ec872)
Compare | [e6bac1e15f3ea795c84cbd009eb8b77da460c9e1](https://github.com/dotnet/runtime/commit/e6bac1e15f3ea795c84cbd009eb8b77da460c9e1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a8ea8e67dc20689aa2e4c738a2f84ea3483ec872...e6bac1e15f3ea795c84cbd009eb8b77da460c9e1)


### Regressions in System.Collections.Tests.Perf_SortedSet

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Max - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_alpine 3.15/System.Collections.Tests.Perf_SortedSet.Max.html>) | 15.04 ns | 29.08 ns | 1.93 | 0.40 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_alpine%203.15_Regression/System.Collections.Tests.Perf_SortedSet_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_alpine%203.15_Regression/System.Collections.Tests.Perf_SortedSet.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.Tests.Perf_SortedSet*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 13 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9383>)
* [[Perf] Windows/x64: 14 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9340>)
* [[Perf] Alpine/x64: 8 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9322>)
* [[Perf] Linux/x64: 4 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9305>)
#### Improvements
* [[Perf] Linux/x64: 1 Improvement on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9334>)
* [[Perf] Linux/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9272>)
* [[Perf] Windows/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9267>)
* [[Perf] Windows/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9248>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-85352a3b-af2b-4e90-b8ff-cf88644159542b81cdc60ee4ba0ae/05b047c7-250e-49a2-a816-0438ae7437d2.zip?sv=2021-08-06&se=2022-11-25T04%3A18%3A21Z&sr=c&sp=rl&sig=PSlOR5Sjgg0vcrpYtnYqXad20723ZO%2F34b1oETlflh4%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-4dac0dd1-3f2a-4506-81e5-87cadae5b059bf4a79e8b59424993/a960c52a-707c-4957-83d7-1ae78f3621ca.zip?sv=2021-08-06&se=2022-11-25T19%3A17%3A31Z&sr=c&sp=rl&sig=h5grKo%2F0KEdgdkSBAjXUJM1RgiUUNAkbxmsPpAqytbI%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_01_2022/refs/heads/main_x64_alpine 3.15/System.Collections.Tests.Perf_SortedSet.Max.txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Collections.Tests.Perf_SortedSet.Max

```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 29.07663196843202 > 16.285647193718273.
IsChangePoint: Marked as a change because one of 9/21/2022 2:58:31 PM, 9/27/2022 11:22:50 AM, 10/6/2022 2:13:23 PM, 10/12/2022 1:08:53 AM, 10/26/2022 7:11:30 AM, 11/1/2022 6:58:35 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 6:58:35 AM.
IsRegressionStdDev: Marked as regression because -5.551814510048013 (T) = (0 -24.604505938355242) / Math.Sqrt((10.013183997216911 / (25)) + (46.7990206030578 / (26))) is less than -2.0095752371279447 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (26) - 2, .025) and -0.5031235517344368 = (16.36891785107378 - 24.604505938355242) / 16.36891785107378 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 | alpine 3.15
Baseline | [a8ea8e67dc20689aa2e4c738a2f84ea3483ec872](https://github.com/dotnet/runtime/commit/a8ea8e67dc20689aa2e4c738a2f84ea3483ec872)
Compare | [e6bac1e15f3ea795c84cbd009eb8b77da460c9e1](https://github.com/dotnet/runtime/commit/e6bac1e15f3ea795c84cbd009eb8b77da460c9e1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a8ea8e67dc20689aa2e4c738a2f84ea3483ec872...e6bac1e15f3ea795c84cbd009eb8b77da460c9e1)


### Regressions in System.Perf_Convert

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ToBase64CharArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_alpine 3.15/System.Perf_Convert.ToBase64CharArray(binaryDataSize%3a%201024%2c%20formattingOptions%3a%20InsertLineBreaks).html>) | 1.06 μs | 1.13 μs | 1.07 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_alpine%203.15_Regression/System.Perf_Convert_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_alpine%203.15_Regression/System.Perf_Convert.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Perf_Convert*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 13 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9383>)
* [[Perf] Windows/x64: 14 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9340>)
* [[Perf] Alpine/x64: 8 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9322>)
* [[Perf] Linux/x64: 4 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9305>)
#### Improvements
* [[Perf] Linux/x64: 1 Improvement on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9334>)
* [[Perf] Linux/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9272>)
* [[Perf] Windows/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9267>)
* [[Perf] Windows/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9248>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-85352a3b-af2b-4e90-b8ff-cf88644159542b81cdc60ee4ba0ae/05b047c7-250e-49a2-a816-0438ae7437d2.zip?sv=2021-08-06&se=2022-11-25T04%3A18%3A21Z&sr=c&sp=rl&sig=PSlOR5Sjgg0vcrpYtnYqXad20723ZO%2F34b1oETlflh4%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-4dac0dd1-3f2a-4506-81e5-87cadae5b059bf4a79e8b59424993/a960c52a-707c-4957-83d7-1ae78f3621ca.zip?sv=2021-08-06&se=2022-11-25T19%3A17%3A31Z&sr=c&sp=rl&sig=h5grKo%2F0KEdgdkSBAjXUJM1RgiUUNAkbxmsPpAqytbI%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_01_2022/refs/heads/main_x64_alpine 3.15/System.Perf_Convert.ToBase64CharArray(binaryDataSize- 1024, formattingOptions- InsertLineBreaks).txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.Perf_Convert.ToBase64CharArray(binaryDataSize: 1024, formattingOptions: InsertLineBreaks)

```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 1.1322708625984865 > 1.11458120412403.
IsChangePoint: Marked as a change because one of 10/26/2022 7:11:30 AM, 11/1/2022 6:58:35 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 6:58:35 AM.
IsRegressionStdDev: Marked as regression because -214.7336210550237 (T) = (0 -1136.3531269056853) / Math.Sqrt((0.23473308506444315 / (25)) + (2.903620050703413 / (26))) is less than -2.0095752371279447 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (26) - 2, .025) and -0.07037798470040814 = (1061.6372376378267 - 1136.3531269056853) / 1061.6372376378267 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 | alpine 3.15
Baseline | [a8ea8e67dc20689aa2e4c738a2f84ea3483ec872](https://github.com/dotnet/runtime/commit/a8ea8e67dc20689aa2e4c738a2f84ea3483ec872)
Compare | [e6bac1e15f3ea795c84cbd009eb8b77da460c9e1](https://github.com/dotnet/runtime/commit/e6bac1e15f3ea795c84cbd009eb8b77da460c9e1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/a8ea8e67dc20689aa2e4c738a2f84ea3483ec872...e6bac1e15f3ea795c84cbd009eb8b77da460c9e1)


### Regressions in System.IO.Tests.Perf_Path

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[GetExtension - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_alpine 3.15/System.IO.Tests.Perf_Path.GetExtension.html>) | 12.83 ns | 14.37 ns | 1.12 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_alpine%203.15_Regression/System.IO.Tests.Perf_Path_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_01_2022/refs/heads/main_x64_alpine%203.15_Regression/System.IO.Tests.Perf_Path.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.IO.Tests.Perf_Path*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 13 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9383>)
* [[Perf] Windows/x64: 14 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9340>)
* [[Perf] Alpine/x64: 8 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9322>)
* [[Perf] Linux/x64: 4 Regressions on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9305>)
#### Improvements
* [[Perf] Linux/x64: 1 Improvement on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9334>)
* [[Perf] Linux/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9272>)
* [[Perf] Windows/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9267>)
* [[Perf] Windows/arm64: 2 Improvements on 10/26/2022 10:56:11 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/9248>)

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-85352a3b-af2b-4e90-b8ff-cf88644159542b81cdc60ee4ba0ae/05b047c7-250e-49a2-a816-0438ae7437d2.zip?sv=2021-08-06&se=2022-11-25T04%3A18%3A21Z&sr=c&sp=rl&sig=PSlOR5Sjgg0vcrpYtnYqXad20723ZO%2F34b1oETlflh4%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-4dac0dd1-3f2a-4506-81e5-87cadae5b059bf4a79e8b59424993/a960c52a-707c-4957-83d7-1ae78f3621ca.zip?sv=2021-08-06&se=2022-11-25T19%3A17%3A31Z&sr=c&sp=rl&sig=h5grKo%2F0KEdgdkSBAjXUJM1RgiUUNAkbxmsPpAqytbI%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_01_2022/refs/heads/main_x64_alpine 3.15/System.IO.Tests.Perf_Path.GetExtension.txt?sv=2018-03-28&sr=c&sig=JoytaT70%2ByX0ce090BDZwAg8TDntVqLeANIlSNxVryw%3D&se=2022-11-24T00%3A17%3A57Z&sp=racwdl>)
#### System.IO.Tests.Perf_Path.GetExtension

```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 14.367743842639575 > 13.51391885533909.
IsChangePoint: Marked as a change because one of 8/5/2022 8:01:14 PM, 10/26/2022 7:11:30 AM, 11/1/2022 6:58:35 AM falls between 10/23/2022 1:14:54 PM and 11/1/2022 6:58:35 AM.
IsRegressionStdDev: Marked as regression because -40.64170566654846 (T) = (0 -14.530575288081833) / Math.Sqrt((0.023143151419269578 / (25)) + (0.0164332460823732 / (26))) is less than -2.0095752371279447 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (26) - 2, .025) and -0.12409181153326104 = (12.926502211827458 - 14.530575288081833) / 12.926502211827458 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	alpine 3.15
Baseline	a8ea8e67dc20689aa2e4c738a2f84ea3483ec872
Compare	e6bac1e15f3ea795c84cbd009eb8b77da460c9e1
Diff	Diff

Uh oh!

[Perf] Alpine/x64: 4 Regressions on 10/26/2022 10:56:11 AM #9392

Description

Run Information

Regressions in System.Globalization.Tests.StringEquality

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Globalization.Tests.StringEquality.Compare_Same_Upper(Count: 1024, Options: (en-US, OrdinalIgnoreCase))

Description of detection logic

Docs

Regressions in System.Collections.Tests.Perf_SortedSet

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Collections.Tests.Perf_SortedSet.Max

Description of detection logic

Docs

Run Information

Regressions in System.Perf_Convert

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Perf_Convert.ToBase64CharArray(binaryDataSize: 1024, formattingOptions: InsertLineBreaks)

Description of detection logic

Docs

Run Information

Regressions in System.IO.Tests.Perf_Path

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.IO.Tests.Perf_Path.GetExtension

Description of detection logic

Docs

Metadata

Metadata

Assignees

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Development

Issue actions