[Perf] Windows/x64: 79 Regressions on 3/6/2023 11:36:59 AM


### Run Information

Architecture | x64
-- | --
OS | Windows 10.0.19042
Baseline | [6123cb00bbec8ae3500c970890f5b0efcf7950e8](https://github.com/dotnet/runtime/commit/6123cb00bbec8ae3500c970890f5b0efcf7950e8)
Compare | [ffbcb8336ac67496b0565112f663f74fda6cac34](https://github.com/dotnet/runtime/commit/ffbcb8336ac67496b0565112f663f74fda6cac34)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6123cb00bbec8ae3500c970890f5b0efcf7950e8...ffbcb8336ac67496b0565112f663f74fda6cac34)


### Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20Url%2c%26lorem%20ipsum%3ddolor%20sit%20amet%2c512).html>) | 79.49 ns | 86.50 ns | 1.09 | 0.01 | False | | |
[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20JavaScript%2c%26Hello%2b(World)!%2c512).html>) | 66.06 ns | 74.62 ns | 1.13 | 0.04 | False | | |
[EncodeUtf8 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments%3a%20UnsafeRelaxed%2chello%20%22there%22%2c512).html>) | 57.32 ns | 66.33 ns | 1.16 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.Encodings.Web.Tests.Perf_Encoders.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Encodings.Web.Tests.Perf_Encoders*'
```

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)
### Histogram

#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,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 86.49511848181112 > 83.5538407638473.
IsChangePoint: Marked as a change because one of 2/24/2023 8:06:06 PM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -119.57934323858325 (T) = (0 -86.18799593706828) / Math.Sqrt((0.01989936205140299 / (24)) + (0.08040259258575326 / (36))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (36) - 2, .025) and -0.08316597032593837 = (79.57044284832288 - 86.18799593706828) / 79.57044284832288 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.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: JavaScript,&Hello+&lt;World&gt;!,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 74.6237372864477 > 69.41757445712778.
IsChangePoint: Marked as a change because one of 1/18/2023 3:20:52 PM, 2/20/2023 10:31:48 AM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -116.76856758117555 (T) = (0 -74.6062875482607) / Math.Sqrt((0.010243949585289716 / (24)) + (0.17093653979911036 / (36))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (36) - 2, .025) and -0.12687771958258215 = (66.20619633503478 - 74.6062875482607) / 66.20619633503478 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.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,hello "there",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 66.32828236958538 > 60.18437576911939.
IsChangePoint: Marked as a change because one of 1/18/2023 3:20:52 PM, 2/20/2023 10:31:48 AM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -144.8997615076406 (T) = (0 -66.77881697920037) / Math.Sqrt((0.011856860513257208 / (24)) + (0.1346398819420697 / (36))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (36) - 2, .025) and -0.16440283453627252 = (57.350270025575185 - 66.77881697920037) / 57.350270025575185 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 | [6123cb00bbec8ae3500c970890f5b0efcf7950e8](https://github.com/dotnet/runtime/commit/6123cb00bbec8ae3500c970890f5b0efcf7950e8)
Compare | [ffbcb8336ac67496b0565112f663f74fda6cac34](https://github.com/dotnet/runtime/commit/ffbcb8336ac67496b0565112f663f74fda6cac34)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6123cb00bbec8ae3500c970890f5b0efcf7950e8...ffbcb8336ac67496b0565112f663f74fda6cac34)


### Regressions in System.Memory.Span&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IndexOfAnyTwoValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Char).IndexOfAnyTwoValues(Size%3a%20512).html>) | 12.10 ns | 14.07 ns | 1.16 | 0.01 | False | | |
[IndexOfAnyThreeValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Char).IndexOfAnyThreeValues(Size%3a%2033).html>) | 5.50 ns | 6.58 ns | 1.20 | 0.01 | False | | |
[Clear - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Char).Clear(Size%3a%2033).html>) | 3.67 ns | 4.93 ns | 1.35 | 0.26 | False | | |
[IndexOfAnyTwoValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Char).IndexOfAnyTwoValues(Size%3a%204).html>) | 3.55 ns | 4.56 ns | 1.28 | 0.01 | False | | |
[IndexOfAnyThreeValues - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Memory.Span(Char).IndexOfAnyThreeValues(Size%3a%20512).html>) | 13.86 ns | 15.91 ns | 1.15 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Memory.Span(Char)_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Memory.Span(Char)_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Memory.Span(Char)_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Memory.Span(Char)_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Memory.Span(Char)_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Memory.Span(Char).html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span&lt;Char&gt;*'
```

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)
### Histogram

#### System.Memory.Span&lt;Char&gt;.IndexOfAnyTwoValues(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 14.074189979373168 > 12.731450378667962.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 2/17/2023 9:53:52 PM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -231.83331520873986 (T) = (0 -14.065880044275872) / Math.Sqrt((0.0015631750257780485 / (24)) + (0.000158012843443573 / (35))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (35) - 2, .025) and -0.15948724186938523 = (12.131121013111049 - 14.065880044275872) / 12.131121013111049 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.Memory.Span&lt;Char&gt;.IndexOfAnyThreeValues(Size: 33)

```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 6.5822732227539635 > 5.775606499312917.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 2/20/2023 10:31:48 AM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -742.767446226959 (T) = (0 -6.57915016805052) / Math.Sqrt((6.636319589554143E-06 / (24)) + (6.409153022641278E-05 / (35))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (35) - 2, .025) and -0.19603376949097623 = (5.500806361722179 - 6.57915016805052) / 5.500806361722179 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.Memory.Span&lt;Char&gt;.Clear(Size: 33)

```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 4.9320827964007865 > 4.065434581487989.
IsChangePoint: Marked as a change because one of 1/7/2023 12:45:06 AM, 1/10/2023 1:28:02 AM, 2/17/2023 9:53:52 PM, 3/5/2023 11:54:18 PM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -10.113556971926728 (T) = (0 -4.738262217306085) / Math.Sqrt((0.04425202676076872 / (22)) + (0.17709462286183417 / (37))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (22) + (37) - 2, .025) and -0.21356612783079607 = (3.9044120535693847 - 4.738262217306085) / 3.9044120535693847 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.Memory.Span&lt;Char&gt;.IndexOfAnyTwoValues(Size: 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.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 4.561214224648973 > 3.7283327037432197.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 2/17/2023 9:53:52 PM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -1307.2256261227444 (T) = (0 -4.559385808248598) / Math.Sqrt((2.648202526564375E-06 / (24)) + (1.695824428428527E-05 / (35))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (35) - 2, .025) and -0.2839155343246184 = (3.5511571332821235 - 4.559385808248598) / 3.5511571332821235 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.Memory.Span&lt;Char&gt;.IndexOfAnyThreeValues(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 15.90542924475584 > 14.547626528731172.
IsChangePoint: Marked as a change because one of 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM, 2/20/2023 10:31:48 AM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -168.06203308429758 (T) = (0 -16.249888418820845) / Math.Sqrt((2.316577996253899E-05 / (24)) + (0.007067520835814389 / (35))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (35) - 2, .025) and -0.17276943213676807 = (13.855995879099437 - 16.249888418820845) / 13.855995879099437 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 | [6123cb00bbec8ae3500c970890f5b0efcf7950e8](https://github.com/dotnet/runtime/commit/6123cb00bbec8ae3500c970890f5b0efcf7950e8)
Compare | [ffbcb8336ac67496b0565112f663f74fda6cac34](https://github.com/dotnet/runtime/commit/ffbcb8336ac67496b0565112f663f74fda6cac34)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6123cb00bbec8ae3500c970890f5b0efcf7950e8...ffbcb8336ac67496b0565112f663f74fda6cac34)


### Regressions in System.Tests.Perf_Double

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[TryParse - 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_Double.TryParse(value%3a%20%221.7976931348623157e%2b308%22).html>) | 125.20 ns | 136.58 ns | 1.09 | 0.11 | False | | |
[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_Double.ToString(value%3a%20-1.7976931348623157E%2b308).html>) | 185.24 ns | 199.66 ns | 1.08 | 0.04 | False | | |
[ToStringWithFormat - 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_Double.ToStringWithFormat(value%3a%201.7976931348623157E%2b308%2c%20format%3a%20%22G17%22).html>) | 167.71 ns | 180.04 ns | 1.07 | 0.04 | False | | |
[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_Double.ToString(value%3a%201.7976931348623157E%2b308).html>) | 182.68 ns | 197.84 ns | 1.08 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Tests.Perf_Double_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Tests.Perf_Double_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Tests.Perf_Double_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Tests.Perf_Double_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Tests.Perf_Double.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Double*'
```

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)
### Histogram

#### System.Tests.Perf_Double.TryParse(value: "1.7976931348623157e+308")

```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 136.58422990731475 > 132.1264845186577.
IsChangePoint: Marked as a change because one of 1/13/2023 4:37:08 PM, 2/8/2023 3:55:57 PM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -12.347099224407398 (T) = (0 -144.32329930155305) / Math.Sqrt((33.28839344479712 / (24)) + (11.390719690484914 / (35))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (35) - 2, .025) and -0.12606772630697854 = (128.16573633174966 - 144.32329930155305) / 128.16573633174966 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.Tests.Perf_Double.ToString(value: -1.7976931348623157E+308)

```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 199.65683680795124 > 193.63268538069798.
IsChangePoint: Marked as a change because one of 1/19/2023 8:10:32 PM, 1/26/2023 7:55:58 PM, 2/24/2023 9:01:57 AM, 3/6/2023 11:36:59 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -10.942253093135342 (T) = (0 -200.52522225292913) / Math.Sqrt((24.846025989354953 / (25)) + (3.519626324509351 / (35))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (35) - 2, .025) and -0.06054159426487934 = (189.0781307751766 - 200.52522225292913) / 189.0781307751766 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.Tests.Perf_Double.ToStringWithFormat(value: 1.7976931348623157E+308, format: "G17")

```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 180.03961044996865 > 175.81341869506457.
IsChangePoint: Marked as a change because one of 1/13/2023 11:20:20 PM, 2/14/2023 11:21:41 AM, 2/23/2023 8:54:44 PM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -16.742243180659532 (T) = (0 -181.1576209930889) / Math.Sqrt((4.760415377768425 / (24)) + (10.9727263039687 / (36))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (36) - 2, .025) and -0.07015382872748935 = (169.28185101061766 - 181.1576209930889) / 169.28185101061766 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.Tests.Perf_Double.ToString(value: 1.7976931348623157E+308)

```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 197.8402573512462 > 192.09549389273545.
IsChangePoint: Marked as a change because one of 1/9/2023 3:58:12 PM, 2/17/2023 5:12:50 PM, 2/24/2023 9:01:57 AM, 3/6/2023 11:36:59 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -12.561049854828598 (T) = (0 -199.00047558944723) / Math.Sqrt((16.35165569652949 / (25)) + (8.578536276383302 / (35))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (25) + (35) - 2, .025) and -0.06366440657833547 = (187.08953158412515 - 199.00047558944723) / 187.08953158412515 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 | [6123cb00bbec8ae3500c970890f5b0efcf7950e8](https://github.com/dotnet/runtime/commit/6123cb00bbec8ae3500c970890f5b0efcf7950e8)
Compare | [ffbcb8336ac67496b0565112f663f74fda6cac34](https://github.com/dotnet/runtime/commit/ffbcb8336ac67496b0565112f663f74fda6cac34)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6123cb00bbec8ae3500c970890f5b0efcf7950e8...ffbcb8336ac67496b0565112f663f74fda6cac34)


### Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ReplaceWords - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.RegularExpressions.Tests.Perf_Regex_Common.ReplaceWords(Options%3a%20None).html>) | 56.35 μs | 60.10 μs | 1.07 | 0.18 | False | | |
[MatchesWord - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesWord(Options%3a%20None).html>) | 1.04 μs | 1.18 μs | 1.13 | 0.05 | False | | |
[MatchesBoundary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesBoundary(Options%3a%20IgnoreCase%2c%20Compiled).html>) | 49.99 μs | 62.35 μs | 1.25 | 0.05 | False | | |
[MatchesBoundary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesBoundary(Options%3a%20None).html>) | 128.42 μs | 137.79 μs | 1.07 | 0.18 | False | | |
[MatchesBoundary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesBoundary(Options%3a%20Compiled).html>) | 50.42 μs | 63.28 μs | 1.26 | 0.02 | False | | |
[MatchesWord - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesWord(Options%3a%20Compiled).html>) | 897.42 ns | 952.33 ns | 1.06 | 0.04 | False | | |
[Uri_IsNotMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Text.RegularExpressions.Tests.Perf_Regex_Common.Uri_IsNotMatch(Options%3a%20Compiled).html>) | 90.57 ns | 98.96 ns | 1.09 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Common_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Common_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Common_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Common_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Common_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Common_6.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Common_7.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Text.RegularExpressions.Tests.Perf_Regex_Common.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Common*'
```

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Common.ReplaceWords(Options: None)

```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 60.099919250645996 > 59.12534628787353.
IsChangePoint: Marked as a change because one of 1/3/2023 9:28:36 AM, 1/20/2023 12:33:18 PM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -5.150253894798643 (T) = (0 -61492.338521293845) / Math.Sqrt((4929824.096610276 / (24)) + (19585413.171780925 / (36))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (36) - 2, .025) and -0.07817498476091901 = (57033.72772549488 - 61492.338521293845) / 57033.72772549488 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.RegularExpressions.Tests.Perf_Regex_Common.MatchesWord(Options: None)

```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 1.1767921299447848 > 1.1082952884529715.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 2/23/2023 8:54:44 PM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -23.470873459607 (T) = (0 -1213.1073300192284) / Math.Sqrt((260.39742048214026 / (24)) + (1020.8398051689537 / (36))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (36) - 2, .025) and -0.13784552285538618 = (1066.1441343768486 - 1213.1073300192284) / 1066.1441343768486 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.RegularExpressions.Tests.Perf_Regex_Common.MatchesBoundary(Options: IgnoreCase, Compiled)

```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 62.35373861696072 > 52.47879842252397.
IsChangePoint: Marked as a change because one of 1/20/2023 8:02:54 AM, 2/9/2023 12:40:40 PM, 2/24/2023 9:01:57 AM, 3/3/2023 4:59:02 PM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -4.242580088948566 (T) = (0 -57757.51326160844) / Math.Sqrt((25627734.76320062 / (24)) + (3468110.623573912 / (36))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (36) - 2, .025) and -0.08607724735036967 = (53179.931172037344 - 57757.51326160844) / 53179.931172037344 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.RegularExpressions.Tests.Perf_Regex_Common.MatchesBoundary(Options: None)

```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 137.79348621511232 > 134.64698924036156.
IsChangePoint: Marked as a change because one of 1/3/2023 6:29:42 AM, 2/1/2023 6:08:01 AM, 2/17/2023 9:53:52 PM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -15.42815884980818 (T) = (0 -137755.8522680183) / Math.Sqrt((10178935.297662929 / (24)) + (527925.319306239 / (36))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (36) - 2, .025) and -0.08013234255888073 = (127536.08686660438 - 137755.8522680183) / 127536.08686660438 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.RegularExpressions.Tests.Perf_Regex_Common.MatchesBoundary(Options: Compiled)

```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 63.28360956477732 > 52.568392088043744.
IsChangePoint: Marked as a change because one of 12/28/2022 5:13:50 PM, 1/3/2023 6:29:42 AM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -57.71819385049054 (T) = (0 -61285.16258625139) / Math.Sqrt((450311.7474320481 / (24)) + (657056.3589406938 / (36))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (36) - 2, .025) and -0.22129041596132856 = (50180.66283440969 - 61285.16258625139) / 50180.66283440969 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.RegularExpressions.Tests.Perf_Regex_Common.MatchesWord(Options: Compiled)

```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 952.3261018717368 > 943.4432166812592.
IsChangePoint: Marked as a change because one of 1/18/2023 3:20:52 PM, 2/9/2023 4:27:10 AM, 2/28/2023 5:58:27 PM, 3/6/2023 11:36:59 AM, 3/13/2023 2:14:21 PM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -17.72720879187587 (T) = (0 -958.5371067781595) / Math.Sqrt((393.53269149773416 / (57)) + (42.8579794795631 / (3))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (57) + (3) - 2, .025) and -0.09305499611614286 = (876.9340153826165 - 958.5371067781595) / 876.9340153826165 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.RegularExpressions.Tests.Perf_Regex_Common.Uri_IsNotMatch(Options: Compiled)

```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 98.95733409121391 > 95.37176299970194.
IsChangePoint: Marked as a change because one of 1/13/2023 4:37:08 PM, 1/18/2023 6:24:13 PM, 1/27/2023 7:12:54 PM, 3/10/2023 12:53:36 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -11.287470726246964 (T) = (0 -100.52911394437659) / Math.Sqrt((9.3495984907112 / (43)) + (1.7230851213099918 / (16))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (43) + (16) - 2, .025) and -0.06840134140125713 = (94.09302482953463 - 100.52911394437659) / 94.09302482953463 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 | [6123cb00bbec8ae3500c970890f5b0efcf7950e8](https://github.com/dotnet/runtime/commit/6123cb00bbec8ae3500c970890f5b0efcf7950e8)
Compare | [ffbcb8336ac67496b0565112f663f74fda6cac34](https://github.com/dotnet/runtime/commit/ffbcb8336ac67496b0565112f663f74fda6cac34)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6123cb00bbec8ae3500c970890f5b0efcf7950e8...ffbcb8336ac67496b0565112f663f74fda6cac34)


### Regressions in Span.IndexerBench

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[CoveredIndex2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/Span.IndexerBench.CoveredIndex2(length%3a%201024).html>) | 757.48 ns | 868.67 ns | 1.15 | 0.03 | False | | |
[WriteViaIndexer2 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/Span.IndexerBench.WriteViaIndexer2(length%3a%201024).html>) | 638.48 ns | 683.82 ns | 1.07 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/Span.IndexerBench_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/Span.IndexerBench_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/Span.IndexerBench.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Span.IndexerBench*'
```

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)
### Histogram

#### Span.IndexerBench.CoveredIndex2(length: 1024)

```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 868.6694328219432 > 793.7614795127765.
IsChangePoint: Marked as a change because one of 1/13/2023 4:37:08 PM, 1/18/2023 3:20:52 PM, 1/27/2023 7:12:54 PM, 2/9/2023 12:40:40 PM, 2/24/2023 9:01:57 AM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -528.7165591326337 (T) = (0 -868.644605622546) / Math.Sqrt((1.0404024993999381 / (24)) + (0.07327696756848821 / (35))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (35) - 2, .025) and -0.14909919548168005 = (755.9352656742807 - 868.644605622546) / 755.9352656742807 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.

```#### Span.IndexerBench.WriteViaIndexer2(length: 1024)

```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 683.8237477690978 > 670.8679993054843.
IsChangePoint: Marked as a change because one of 1/13/2023 4:37:08 PM, 1/18/2023 3:20:52 PM, 1/27/2023 7:12:54 PM, 2/9/2023 12:40:40 PM, 2/24/2023 9:01:57 AM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -111.26261905677086 (T) = (0 -681.3638234450007) / Math.Sqrt((1.7666489030307402 / (24)) + (2.499640908718883 / (36))) is less than -2.001717484144427 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (36) - 2, .025) and -0.06582521674155604 = (639.2828887348604 - 681.3638234450007) / 639.2828887348604 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 | [6123cb00bbec8ae3500c970890f5b0efcf7950e8](https://github.com/dotnet/runtime/commit/6123cb00bbec8ae3500c970890f5b0efcf7950e8)
Compare | [ffbcb8336ac67496b0565112f663f74fda6cac34](https://github.com/dotnet/runtime/commit/ffbcb8336ac67496b0565112f663f74fda6cac34)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6123cb00bbec8ae3500c970890f5b0efcf7950e8...ffbcb8336ac67496b0565112f663f74fda6cac34)


### Regressions in System.Collections.IterateFor&lt;Int32&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ImmutableList - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.19042/amd/System.Collections.IterateFor(Int32).ImmutableList(Size%3a%20512).html>) | 5.57 μs | 6.27 μs | 1.12 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Collections.IterateFor(Int32)_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_14_2023/refs/heads/main_x64_Windows%2010.0.19042/amd_Regression/System.Collections.IterateFor(Int32).html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.IterateFor&lt;Int32&gt;*'
```

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1e4ce61a-435c-47a9-8227-ad2a308eba40fa03c7bb3774f2988/b309c560-15d4-4fae-9535-7e443aab7473.zip?sv=2021-08-06&se=2023-04-05T06%3A56%3A11Z&sr=c&sp=rl&sig=mGZtVXT4RleSSKOCWCo3FREE7d8g8Wz8879eMd%2BlaOI%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7011f979-a467-451c-8a12-ffb12ca0b8d717301e9e3534082a3/c8dedbc2-0bee-4f84-bcc5-68b13f9f5045.zip?sv=2021-08-06&se=2023-04-05T18%3A25%3A42Z&sr=c&sp=rl&sig=xcVykFKE4Yq3sf19U6lyPZHUGb%2FWU9q%2BLeeMOT0WofE%3D>)
### Histogram

#### System.Collections.IterateFor&lt;Int32&gt;.ImmutableList(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 6.268370710303749 > 5.868966593351013.
IsChangePoint: Marked as a change because one of 2/23/2023 8:54:44 PM, 3/6/2023 11:14:52 AM, 3/14/2023 5:57:45 AM falls between 3/5/2023 5:50:49 PM and 3/14/2023 5:57:45 AM.
IsRegressionStdDev: Marked as regression because -48.430665834731016 (T) = (0 -6405.035245773167) / Math.Sqrt((2769.2766252571782 / (24)) + (5453.576731893705 / (35))) is less than -2.0024654592901125 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (24) + (35) - 2, .025) and -0.14223318578705976 = (5607.467306563813 - 6405.035245773167) / 5607.467306563813 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	6123cb00bbec8ae3500c970890f5b0efcf7950e8
Compare	ffbcb8336ac67496b0565112f663f74fda6cac34
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
EncodeUtf8 - Duration of single invocation	79.49 ns	86.50 ns	1.09	0.01	False
EncodeUtf8 - Duration of single invocation	66.06 ns	74.62 ns	1.13	0.04	False
EncodeUtf8 - Duration of single invocation	57.32 ns	66.33 ns	1.16	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
IndexOfAnyTwoValues - Duration of single invocation	12.10 ns	14.07 ns	1.16	0.01	False
IndexOfAnyThreeValues - Duration of single invocation	5.50 ns	6.58 ns	1.20	0.01	False
Clear - Duration of single invocation	3.67 ns	4.93 ns	1.35	0.26	False
IndexOfAnyTwoValues - Duration of single invocation	3.55 ns	4.56 ns	1.28	0.01	False
IndexOfAnyThreeValues - Duration of single invocation	13.86 ns	15.91 ns	1.15	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
TryParse - Duration of single invocation	125.20 ns	136.58 ns	1.09	0.11	False
ToString - Duration of single invocation	185.24 ns	199.66 ns	1.08	0.04	False
ToStringWithFormat - Duration of single invocation	167.71 ns	180.04 ns	1.07	0.04	False
ToString - Duration of single invocation	182.68 ns	197.84 ns	1.08	0.04	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ReplaceWords - Duration of single invocation	56.35 μs	60.10 μs	1.07	0.18	False
MatchesWord - Duration of single invocation	1.04 μs	1.18 μs	1.13	0.05	False
MatchesBoundary - Duration of single invocation	49.99 μs	62.35 μs	1.25	0.05	False
MatchesBoundary - Duration of single invocation	128.42 μs	137.79 μs	1.07	0.18	False
MatchesBoundary - Duration of single invocation	50.42 μs	63.28 μs	1.26	0.02	False
MatchesWord - Duration of single invocation	897.42 ns	952.33 ns	1.06	0.04	False
Uri_IsNotMatch - Duration of single invocation	90.57 ns	98.96 ns	1.09	0.09	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
CoveredIndex2 - Duration of single invocation	757.48 ns	868.67 ns	1.15	0.03	False
WriteViaIndexer2 - Duration of single invocation	638.48 ns	683.82 ns	1.07	0.02	False

[Perf] Windows/x64: 79 Regressions on 3/6/2023 11:36:59 AM #13995

Description

Run Information

Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

Repro

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Histogram

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: Url,&lorem ipsum=dolor sit amet,512)

Description of detection logic

Description of detection logic

Description of detection logic

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Run Information

Regressions in System.Memory.Span<Char>

Repro

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Histogram

System.Memory.Span<Char>.IndexOfAnyTwoValues(Size: 512)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

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Run Information

Regressions in System.Tests.Perf_Double

Repro

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Histogram

System.Tests.Perf_Double.TryParse(value: "1.7976931348623157e+308")

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

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Run Information

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Repro

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System.Text.RegularExpressions.Tests.Perf_Regex_Common.ReplaceWords(Options: None)

Description of detection logic

Description of detection logic

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Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

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Run Information

Regressions in Span.IndexerBench

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Span.IndexerBench.CoveredIndex2(length: 1024)

Description of detection logic

Description of detection logic

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Run Information

Regressions in System.Collections.IterateFor<Int32>

Repro

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Histogram

System.Collections.IterateFor<Int32>.ImmutableList(Size: 512)

Description of detection logic

Docs

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