[Perf] Windows/x64: 3 Regressions on 10/11/2022 6:23:40 AM

### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [d6fdb3ab48ba885e5386a529ce53e143d56ab963](https://github.com/dotnet/runtime/commit/d6fdb3ab48ba885e5386a529ce53e143d56ab963)
Compare | [d6c8ba1f7806c03b90047bcf8fa4eabdf0e143a3](https://github.com/dotnet/runtime/commit/d6c8ba1f7806c03b90047bcf8fa4eabdf0e143a3)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d6fdb3ab48ba885e5386a529ce53e143d56ab963...d6c8ba1f7806c03b90047bcf8fa4eabdf0e143a3)


### Regressions in System.Tests.Perf_Int32

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[TryFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Tests.Perf_Int32.TryFormat(value%3a%204).html>) | 3.67 ns | 4.87 ns | 1.33 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_18_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Tests.Perf_Int32_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_18_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Tests.Perf_Int32.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Tests.Perf_Int32*'
```

### Related Issues

#### Regressions

#### Improvements

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-369cc034-3188-4530-ad11-ffe55066af941e2b7021b8c4d4690/604bcf4b-3c62-484c-983b-ec8bf3e0d782.zip?sv=2021-08-06&se=2022-11-09T23%3A43%3A58Z&sr=c&sp=rl&sig=%2BVclnOUvQBDdhsNG%2FXcMO6qIWekSrjakbxgs07drHsk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-f6bd3358-f559-45c8-9749-4fcd2fa5644fae0b9e615394a0a8a/770fa829-c30e-475b-8d14-d68aba3383b2.zip?sv=2021-08-06&se=2022-11-10T12%3A11%3A13Z&sr=c&sp=rl&sig=HwoUXulYqhNklNMGsSfngwkdPpo7v30ybfeFPlhjVFA%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/10_18_2022/refs/heads/main_x64_Windows 10.0.19042/amd/System.Tests.Perf_Int32.TryFormat(value- 4).txt?sv=2018-03-28&sr=c&sig=1gp3y5y988UD3%2BZvrzEehBIVYrmWJiqJPm3ln6HFgL4%3D&se=2022-11-09T00%3A13%3A03Z&sp=racwdl>)
#### System.Tests.Perf_Int32.TryFormat(value: 4)

```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 4.868059612986492 > 3.834267735765675.
IsChangePoint: Marked as a change because one of 10/3/2022 8:45:37 PM, 10/11/2022 2:16:14 AM, 10/18/2022 1:35:00 AM falls between 10/7/2022 9:25:17 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -68.14795025109647 (T) = (0 -4.756428741619189) / Math.Sqrt((0.0005458045787438215 / (22)) + (0.007761579446670202 / (32))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (32) - 2, .025) and -0.30594541877839454 = (3.6421344056388207 - 4.756428741619189) / 3.6421344056388207 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 | Windows 10.0.19042
Baseline | [d6fdb3ab48ba885e5386a529ce53e143d56ab963](https://github.com/dotnet/runtime/commit/d6fdb3ab48ba885e5386a529ce53e143d56ab963)
Compare | [2b07c8c46523b816b1eac5c8af092e52b20a69d2](https://github.com/dotnet/runtime/commit/2b07c8c46523b816b1eac5c8af092e52b20a69d2)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d6fdb3ab48ba885e5386a529ce53e143d56ab963...2b07c8c46523b816b1eac5c8af092e52b20a69d2)


### Regressions in System.Tests.Perf_DateTimeOffset

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Tests.Perf_DateTimeOffset.ToString(format%3a%20%22G%22).html>) | 200.79 ns | 218.69 ns | 1.09 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_18_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Tests.Perf_DateTimeOffset_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_18_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Tests.Perf_DateTimeOffset.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Tests.Perf_DateTimeOffset*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 1 Regression on 10/11/2022 6:23:40 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/8967>)
* [[Perf] Windows/x86: 1 Regression on 10/11/2022 6:23:40 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/8961>)
#### Improvements

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-369cc034-3188-4530-ad11-ffe55066af941e2b7021b8c4d4690/604bcf4b-3c62-484c-983b-ec8bf3e0d782.zip?sv=2021-08-06&se=2022-11-09T23%3A43%3A58Z&sr=c&sp=rl&sig=%2BVclnOUvQBDdhsNG%2FXcMO6qIWekSrjakbxgs07drHsk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-0b86b3b1-0cf6-4a28-ab6a-c908df5ad6b4e960d61166a487f88/2dc05dd5-f64c-4934-b562-e752e360d95d.zip?sv=2021-08-06&se=2022-11-10T15%3A35%3A50Z&sr=c&sp=rl&sig=N8r%2FGDqdaCFDjZjtGEmK9UQK2vvVXkx9Xc8vETzrARw%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/10_18_2022/refs/heads/main_x64_Windows 10.0.19042/amd/System.Tests.Perf_DateTimeOffset.ToString(format- -G-).txt?sv=2018-03-28&sr=c&sig=1gp3y5y988UD3%2BZvrzEehBIVYrmWJiqJPm3ln6HFgL4%3D&se=2022-11-09T00%3A13%3A03Z&sp=racwdl>)
#### System.Tests.Perf_DateTimeOffset.ToString(format: "G")

```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 218.69260068456393 > 212.2591562122658.
IsChangePoint: Marked as a change because one of 9/13/2022 12:23:36 PM, 9/26/2022 8:26:31 AM, 10/11/2022 2:16:14 AM, 10/18/2022 1:35:00 AM falls between 10/7/2022 9:25:17 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -6.613850194065127 (T) = (0 -223.08247030936658) / Math.Sqrt((59.906310503079716 / (22)) + (63.483844739517714 / (31))) is less than -2.007583770314729 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (31) - 2, .025) and -0.0692410733984532 = (208.63627095835926 - 223.08247030936658) / 208.63627095835926 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 | Windows 10.0.19042
Baseline | [d6fdb3ab48ba885e5386a529ce53e143d56ab963](https://github.com/dotnet/runtime/commit/d6fdb3ab48ba885e5386a529ce53e143d56ab963)
Compare | [d6c8ba1f7806c03b90047bcf8fa4eabdf0e143a3](https://github.com/dotnet/runtime/commit/d6c8ba1f7806c03b90047bcf8fa4eabdf0e143a3)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d6fdb3ab48ba885e5386a529ce53e143d56ab963...d6c8ba1f7806c03b90047bcf8fa4eabdf0e143a3)


### Regressions in System.IO.Tests.Perf_StreamWriter

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[WriteFormat - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.IO.Tests.Perf_StreamWriter.WriteFormat.html>) | 46.40 ns | 50.06 ns | 1.08 | 0.32 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_18_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.IO.Tests.Perf_StreamWriter_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/10_18_2022/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.IO.Tests.Perf_StreamWriter.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_StreamWriter*'
```

### Related Issues

#### Regressions

* [[Perf] Windows/x64: 1 Regression on 10/11/2022 6:23:40 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/8967>)
* [[Perf] Windows/x86: 1 Regression on 10/11/2022 6:23:40 AM](<https://github.com/dotnet/perf-autofiling-issues/issues/8961>)
#### Improvements

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-369cc034-3188-4530-ad11-ffe55066af941e2b7021b8c4d4690/604bcf4b-3c62-484c-983b-ec8bf3e0d782.zip?sv=2021-08-06&se=2022-11-09T23%3A43%3A58Z&sr=c&sp=rl&sig=%2BVclnOUvQBDdhsNG%2FXcMO6qIWekSrjakbxgs07drHsk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-f6bd3358-f559-45c8-9749-4fcd2fa5644fae0b9e615394a0a8a/770fa829-c30e-475b-8d14-d68aba3383b2.zip?sv=2021-08-06&se=2022-11-10T12%3A11%3A13Z&sr=c&sp=rl&sig=HwoUXulYqhNklNMGsSfngwkdPpo7v30ybfeFPlhjVFA%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/10_18_2022/refs/heads/main_x64_Windows 10.0.19042/amd/System.IO.Tests.Perf_StreamWriter.WriteFormat.txt?sv=2018-03-28&sr=c&sig=1gp3y5y988UD3%2BZvrzEehBIVYrmWJiqJPm3ln6HFgL4%3D&se=2022-11-09T00%3A13%3A03Z&sp=racwdl>)
#### System.IO.Tests.Perf_StreamWriter.WriteFormat

```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 50.0577586358479 > 48.13785145861373.
IsChangePoint: Marked as a change because one of 8/17/2022 6:09:21 PM, 9/29/2022 7:42:19 AM, 10/11/2022 2:16:14 AM, 10/18/2022 1:35:00 AM falls between 10/7/2022 9:25:17 PM and 10/18/2022 1:35:00 AM.
IsRegressionStdDev: Marked as regression because -10.824795971668838 (T) = (0 -50.326600126878624) / Math.Sqrt((2.0608984795036966 / (22)) + (0.1943162839597799 / (32))) is less than -2.0066468050606243 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (32) - 2, .025) and -0.07288368503413797 = (46.907787702333536 - 50.326600126878624) / 46.907787702333536 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	Windows 10.0.19042
Baseline	d6fdb3ab48ba885e5386a529ce53e143d56ab963
Compare	d6c8ba1f7806c03b90047bcf8fa4eabdf0e143a3
Diff	Diff

[Perf] Windows/x64: 3 Regressions on 10/11/2022 6:23:40 AM #8988

Description

Run Information

Regressions in System.Tests.Perf_Int32

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Tests.Perf_Int32.TryFormat(value: 4)

Description of detection logic

Docs

Regressions in System.Tests.Perf_DateTimeOffset

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.Tests.Perf_DateTimeOffset.ToString(format: "G")

Description of detection logic

Docs

Run Information

Regressions in System.IO.Tests.Perf_StreamWriter

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.IO.Tests.Perf_StreamWriter.WriteFormat

Description of detection logic

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions