[Perf] Windows/x64: 6 Regressions on 10/10/2023 7:44:23 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [26a809adb958c604ac773d39f2c253cf0dd12e1e](https://github.com/dotnet/runtime/commit/26a809adb958c604ac773d39f2c253cf0dd12e1e)
Compare | [715293eeeddf76593679fba7ab8cfd451980225b](https://github.com/dotnet/runtime/commit/715293eeeddf76593679fba7ab8cfd451980225b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/26a809adb958c604ac773d39f2c253cf0dd12e1e...715293eeeddf76593679fba7ab8cfd451980225b)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.IO.Tests.StringReaderReadLineTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ReadLineAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.IO.Tests.StringReaderReadLineTests.ReadLineAsync(LineLengthRange%3a%20%5b%20129%2c%201024%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/StringReaderReadLineTests.cs#L29-#L37>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.43 μs | 3.68 μs | 1.07 | 0.00 | False | | |
|<ul><li>[ReadLineAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.IO.Tests.StringReaderReadLineTests.ReadLineAsync(LineLengthRange%3a%20%5b%20%20%200%2c%201024%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/StringReaderReadLineTests.cs#L29-#L37>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.47 μs | 3.74 μs | 1.08 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.IO.Tests.StringReaderReadLineTests_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.IO.Tests.StringReaderReadLineTests_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.IO.Tests.StringReaderReadLineTests.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.StringReaderReadLineTests*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-4de627a4-bd3e-48bf-9695-411fb08f5977761150037fa41e898/b4c7ab51-ca74-478d-8714-1f283495720e.zip?sv=2021-08-06&se=2023-11-08T04%3A16%3A35Z&sr=c&sp=rl&sig=MP0E%2B81aXI%2BahD4UXZ6WC1yjcvp%2FeJ0qHM7ku6k43E0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e6877a97-6e28-4b0c-9f3d-594ccd812cdce153ec06c9147f589/6f90fbe6-1509-4cad-a383-d97af95d60d8.zip?sv=2021-08-06&se=2023-11-09T18%3A11%3A18Z&sr=c&sp=rl&sig=U9ZNGg6QqPPCc3RyJovZ3josdBL1Cp3FCpoN2G1ZKLU%3D>)
### System.IO.Tests.StringReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 129, 1024])

#### ETL Files

#### Histogram

#### 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 3.6797331074280346 > 3.6511941416703837.
IsChangePoint: Marked as a change because one of 8/31/2023 7:00:06 PM, 10/9/2023 8:09:24 PM, 10/16/2023 8:09:45 PM falls between 10/8/2023 1:17:11 AM and 10/16/2023 8:09:45 PM.
IsRegressionStdDev: Marked as regression because -15.9399431433237 (T) = (0 -3673.124544088454) / Math.Sqrt((1500.3898781482549 / (13)) + (733.249409247721 / (15))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (15) - 2, .025) and -0.058900972755137504 = (3468.808357528854 - 3673.124544088454) / 3468.808357528854 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.

```
#### JIT Disasms

### System.IO.Tests.StringReaderReadLineTests.ReadLineAsync(LineLengthRange: [   0, 1024])

#### ETL Files

#### Histogram

#### 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 3.744333708320403 > 3.666132394744896.
IsChangePoint: Marked as a change because one of 8/29/2023 4:22:52 PM, 10/9/2023 8:09:24 PM, 10/16/2023 8:09:45 PM falls between 10/8/2023 1:17:11 AM and 10/16/2023 8:09:45 PM.
IsRegressionStdDev: Marked as regression because -13.496087430852382 (T) = (0 -3745.127632646673) / Math.Sqrt((2956.3630162260233 / (13)) + (859.3120096210708 / (15))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (15) - 2, .025) and -0.06474093231419437 = (3517.4073983487315 - 3745.127632646673) / 3517.4073983487315 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.

```
#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [26a809adb958c604ac773d39f2c253cf0dd12e1e](https://github.com/dotnet/runtime/commit/26a809adb958c604ac773d39f2c253cf0dd12e1e)
Compare | [715293eeeddf76593679fba7ab8cfd451980225b](https://github.com/dotnet/runtime/commit/715293eeeddf76593679fba7ab8cfd451980225b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/26a809adb958c604ac773d39f2c253cf0dd12e1e...715293eeeddf76593679fba7ab8cfd451980225b)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Tests.Perf_BitArray

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[BitArrayCopyToIntArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Collections.Tests.Perf_BitArray.BitArrayCopyToIntArray(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Perf.BitArray.cs#L141-#L142>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 13.36 ns | 18.22 ns | 1.36 | 0.41 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.Tests.Perf_BitArray_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Collections.Tests.Perf_BitArray.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Perf_BitArray*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-4de627a4-bd3e-48bf-9695-411fb08f5977761150037fa41e898/b4c7ab51-ca74-478d-8714-1f283495720e.zip?sv=2021-08-06&se=2023-11-08T04%3A16%3A35Z&sr=c&sp=rl&sig=MP0E%2B81aXI%2BahD4UXZ6WC1yjcvp%2FeJ0qHM7ku6k43E0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e6877a97-6e28-4b0c-9f3d-594ccd812cdce153ec06c9147f589/6f90fbe6-1509-4cad-a383-d97af95d60d8.zip?sv=2021-08-06&se=2023-11-09T18%3A11%3A18Z&sr=c&sp=rl&sig=U9ZNGg6QqPPCc3RyJovZ3josdBL1Cp3FCpoN2G1ZKLU%3D>)
### System.Collections.Tests.Perf_BitArray.BitArrayCopyToIntArray(Size: 512)

#### ETL Files

#### Histogram

#### 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 18.215082995589462 > 13.958034047410479.
IsChangePoint: Marked as a change because one of 10/9/2023 8:09:24 PM, 10/16/2023 8:09:45 PM falls between 10/8/2023 1:17:11 AM and 10/16/2023 8:09:45 PM.
IsRegressionStdDev: Marked as regression because -7.48197806266343 (T) = (0 -17.15713199156262) / Math.Sqrt((1.2449830823430332 / (13)) + (1.3523487559187493 / (15))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (15) - 2, .025) and -0.23158107877214745 = (13.930980499203356 - 17.15713199156262) / 13.930980499203356 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.

```
#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [26a809adb958c604ac773d39f2c253cf0dd12e1e](https://github.com/dotnet/runtime/commit/26a809adb958c604ac773d39f2c253cf0dd12e1e)
Compare | [715293eeeddf76593679fba7ab8cfd451980225b](https://github.com/dotnet/runtime/commit/715293eeeddf76593679fba7ab8cfd451980225b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/26a809adb958c604ac773d39f2c253cf0dd12e1e...715293eeeddf76593679fba7ab8cfd451980225b)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetHashCodeBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Runtime.Intrinsics.Tests.Perf_Vector128Of(Byte).GetHashCodeBenchmark.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Intrinsics/Perf_Vector128OfT.cs#L40-#L41>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 48.19 ns | 55.23 ns | 1.15 | 0.37 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28Byte%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28Byte%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Byte&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-4de627a4-bd3e-48bf-9695-411fb08f5977761150037fa41e898/b4c7ab51-ca74-478d-8714-1f283495720e.zip?sv=2021-08-06&se=2023-11-08T04%3A16%3A35Z&sr=c&sp=rl&sig=MP0E%2B81aXI%2BahD4UXZ6WC1yjcvp%2FeJ0qHM7ku6k43E0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e6877a97-6e28-4b0c-9f3d-594ccd812cdce153ec06c9147f589/6f90fbe6-1509-4cad-a383-d97af95d60d8.zip?sv=2021-08-06&se=2023-11-09T18%3A11%3A18Z&sr=c&sp=rl&sig=U9ZNGg6QqPPCc3RyJovZ3josdBL1Cp3FCpoN2G1ZKLU%3D>)
### System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Byte&gt;.GetHashCodeBenchmark

#### ETL Files

#### Histogram

#### 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 55.232547622928145 > 52.09445709263358.
IsChangePoint: Marked as a change because one of 7/4/2023 2:03:12 AM, 8/8/2023 9:37:01 AM, 8/29/2023 12:26:31 AM, 9/19/2023 8:08:41 AM, 10/9/2023 8:09:24 PM, 10/16/2023 8:09:45 PM falls between 10/8/2023 1:17:11 AM and 10/16/2023 8:09:45 PM.
IsRegressionStdDev: Marked as regression because -6.318965330265581 (T) = (0 -54.27940310544091) / Math.Sqrt((2.028825697464352 / (13)) + (6.131310159007554 / (15))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (15) - 2, .025) and -0.09587999203157292 = (49.53042623290917 - 54.27940310544091) / 49.53042623290917 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.

```
#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [26a809adb958c604ac773d39f2c253cf0dd12e1e](https://github.com/dotnet/runtime/commit/26a809adb958c604ac773d39f2c253cf0dd12e1e)
Compare | [715293eeeddf76593679fba7ab8cfd451980225b](https://github.com/dotnet/runtime/commit/715293eeeddf76593679fba7ab8cfd451980225b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/26a809adb958c604ac773d39f2c253cf0dd12e1e...715293eeeddf76593679fba7ab8cfd451980225b)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Tests.Perf_HashCode

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Add - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Tests.Perf_HashCode.Add.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.HashCode.cs#L13-#L24>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.96 μs | 2.42 μs | 1.24 | 0.29 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Tests.Perf_HashCode_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Tests.Perf_HashCode.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_HashCode*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-4de627a4-bd3e-48bf-9695-411fb08f5977761150037fa41e898/b4c7ab51-ca74-478d-8714-1f283495720e.zip?sv=2021-08-06&se=2023-11-08T04%3A16%3A35Z&sr=c&sp=rl&sig=MP0E%2B81aXI%2BahD4UXZ6WC1yjcvp%2FeJ0qHM7ku6k43E0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e6877a97-6e28-4b0c-9f3d-594ccd812cdce153ec06c9147f589/6f90fbe6-1509-4cad-a383-d97af95d60d8.zip?sv=2021-08-06&se=2023-11-09T18%3A11%3A18Z&sr=c&sp=rl&sig=U9ZNGg6QqPPCc3RyJovZ3josdBL1Cp3FCpoN2G1ZKLU%3D>)
### System.Tests.Perf_HashCode.Add

#### ETL Files

#### Histogram

#### 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 2.42433084254205 > 2.087896089669573.
IsChangePoint: Marked as a change because one of 8/28/2023 1:23:07 PM, 9/19/2023 8:08:41 AM, 10/9/2023 8:09:24 PM, 10/16/2023 8:09:45 PM falls between 10/8/2023 1:17:11 AM and 10/16/2023 8:09:45 PM.
IsRegressionStdDev: Marked as regression because -20.199205170221727 (T) = (0 -2431.377105446469) / Math.Sqrt((4524.633265479553 / (13)) + (1381.129117360481 / (15))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (15) - 2, .025) and -0.21107718851649215 = (2007.6153101560622 - 2431.377105446469) / 2007.6153101560622 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.

```
#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.18362
Queue | TigerWindows
Baseline | [26a809adb958c604ac773d39f2c253cf0dd12e1e](https://github.com/dotnet/runtime/commit/26a809adb958c604ac773d39f2c253cf0dd12e1e)
Compare | [715293eeeddf76593679fba7ab8cfd451980225b](https://github.com/dotnet/runtime/commit/715293eeeddf76593679fba7ab8cfd451980225b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/26a809adb958c604ac773d39f2c253cf0dd12e1e...715293eeeddf76593679fba7ab8cfd451980225b)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Int16&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetHashCodeBenchmark - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.18362/System.Runtime.Intrinsics.Tests.Perf_Vector128Of(Int16).GetHashCodeBenchmark.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Intrinsics/Perf_Vector128OfT.cs#L40-#L41>)</li><li>[📈 - ADX Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 24.29 ns | 26.02 ns | 1.07 | 0.36 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28Int16%29_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_17_2023/refs/heads/main_x64_Windows%2010.0.18362_Regression/System.Runtime.Intrinsics.Tests.Perf_Vector128Of%28Int16%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Int16&gt;*'
```

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-4de627a4-bd3e-48bf-9695-411fb08f5977761150037fa41e898/b4c7ab51-ca74-478d-8714-1f283495720e.zip?sv=2021-08-06&se=2023-11-08T04%3A16%3A35Z&sr=c&sp=rl&sig=MP0E%2B81aXI%2BahD4UXZ6WC1yjcvp%2FeJ0qHM7ku6k43E0%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-e6877a97-6e28-4b0c-9f3d-594ccd812cdce153ec06c9147f589/6f90fbe6-1509-4cad-a383-d97af95d60d8.zip?sv=2021-08-06&se=2023-11-09T18%3A11%3A18Z&sr=c&sp=rl&sig=U9ZNGg6QqPPCc3RyJovZ3josdBL1Cp3FCpoN2G1ZKLU%3D>)
### System.Runtime.Intrinsics.Tests.Perf_Vector128Of&lt;Int16&gt;.GetHashCodeBenchmark

#### ETL Files

#### Histogram

#### 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 26.022881736105504 > 25.11314964650005.
IsChangePoint: Marked as a change because one of 6/19/2023 6:37:24 PM, 6/30/2023 8:34:57 AM, 7/12/2023 7:15:00 AM, 8/14/2023 10:44:26 PM, 8/28/2023 1:23:07 PM, 9/19/2023 8:08:41 AM, 10/9/2023 8:09:24 PM, 10/16/2023 8:09:45 PM falls between 10/8/2023 1:17:11 AM and 10/16/2023 8:09:45 PM.
IsRegressionStdDev: Marked as regression because -12.650651592407335 (T) = (0 -26.881991607361133) / Math.Sqrt((0.25144052392545074 / (13)) + (0.4694138182764917 / (15))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (13) + (15) - 2, .025) and -0.11843839160508726 = (24.03529046314513 - 26.881991607361133) / 24.03529046314513 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.

```
#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

Name	Value
Architecture	x64
OS	Windows 10.0.18362
Queue	TigerWindows
Baseline	26a809adb958c604ac773d39f2c253cf0dd12e1e
Compare	715293eeeddf76593679fba7ab8cfd451980225b
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ReadLineAsync - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	3.43 μs	3.68 μs	1.07	0.00	False
ReadLineAsync - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	3.47 μs	3.74 μs	1.08	0.00	False

[Perf] Windows/x64: 6 Regressions on 10/10/2023 7:44:23 AM #23165

Description

Run Information

Regressions in System.IO.Tests.StringReaderReadLineTests

Repro

Payloads

System.IO.Tests.StringReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 129, 1024])

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.IO.Tests.StringReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 0, 1024])

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Tests.Perf_BitArray

Repro

Payloads

System.Collections.Tests.Perf_BitArray.BitArrayCopyToIntArray(Size: 512)

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Regressions in System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Byte>

Repro

Payloads

System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Byte>.GetHashCodeBenchmark

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Regressions in System.Tests.Perf_HashCode

Repro

Payloads

System.Tests.Perf_HashCode.Add

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Regressions in System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Int16>

Repro

Payloads

System.Runtime.Intrinsics.Tests.Perf_Vector128Of<Int16>.GetHashCodeBenchmark

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

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Issue actions