[Perf] Changes at 7/2/2022 10:25:38 PM

### Run Information

Architecture | x86
-- | --
OS | Windows 10.0.18362
Baseline | [6b8d056a665fa20d321ea1d49a93a37a83960663](https://github.com/dotnet/runtime/commit/6b8d056a665fa20d321ea1d49a93a37a83960663)
Compare | [59616049ef3f6f95d0e8943db446b5311a9cd141](https://github.com/dotnet/runtime/commit/59616049ef3f6f95d0e8943db446b5311a9cd141)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6b8d056a665fa20d321ea1d49a93a37a83960663...59616049ef3f6f95d0e8943db446b5311a9cd141)


### Improvements in System.Linq.Tests.Perf_Enumerable

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SelectToArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.SelectToArray(input%3a%20Array).html>) | 314.12 ns | 282.27 ns | 0.90 | 0.04 | False | | |
[WhereSingle_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input%3a%20Array).html>) | 385.55 ns | 325.62 ns | 0.84 | 0.03 | False | | |
[WhereAny_LastElementMatches - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input%3a%20IEnumerable).html>) | 726.75 ns | 681.87 ns | 0.94 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Linq.Tests.Perf_Enumerable_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Linq.Tests.Perf_Enumerable_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Linq.Tests.Perf_Enumerable_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Linq.Tests.Perf_Enumerable.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Linq.Tests.Perf_Enumerable*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-979ecd17-dbbd-4788-be67-249db5fe6353a558ed56eef4b8b8a/5ab50941-6e2d-49dc-bdf6-ebf7ff7511ad.zip?sv=2021-06-08&se=2022-08-01T13%3A36%3A13Z&sr=c&sp=rl&sig=pSOyNg5fAUfHCAPRoxWUuhXhzzJJJk3LGt%2FYbGQ5YjY%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-f4736ac9-a293-40cd-a59f-aeb87d0226ff337260d1d144df1a8/ab368d33-6e38-40ed-9461-f970ac94662e.zip?sv=2021-06-08&se=2022-08-02T08%3A07%3A21Z&sr=c&sp=rl&sig=tZbrcAdpm7gsb04fFqtdcBwQTaHL1mUz3kFZUaN2fU8%3D>)
### Histogram

#### System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Array)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 282.2696316306068 < 297.3743775420964.
IsChangePoint: Marked as a change because one of 5/9/2022 11:56:12 AM, 5/11/2022 9:09:01 PM, 5/28/2022 5:31:50 AM, 6/2/2022 5:58:32 PM, 6/6/2022 10:51:35 AM, 6/10/2022 11:27:32 AM, 6/16/2022 2:51:40 PM, 6/22/2022 6:53:40 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsImprovementStdDev: Marked as improvement because 22.699620401971764 (T) = (0 -283.0813964687496) / Math.Sqrt((185.64799047844892 / (299)) + (1.5277299548377603 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.06979412550060705 = (304.32123063197696 - 283.0813964687496) / 304.32123063197696 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input: Array)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 325.6155575886316 < 365.9692533323985.
IsChangePoint: Marked as a change because one of 6/1/2022 6:40:18 PM, 6/6/2022 10:51:35 AM, 6/10/2022 11:27:32 AM, 6/17/2022 12:17:51 PM, 6/29/2022 5:07:24 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsImprovementStdDev: Marked as improvement because 12.822501161235632 (T) = (0 -325.1461132661208) / Math.Sqrt((814.9489856757059 / (299)) + (0.16132588495411868 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.06140897360912086 = (346.4193712957071 - 325.1461132661208) / 346.4193712957071 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: IEnumerable)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 681.8708380793831 < 689.8124900350856.
IsChangePoint: Marked as a change because one of 5/24/2022 7:55:26 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsImprovementStdDev: Marked as improvement because 22.22746302778219 (T) = (0 -683.1552807696581) / Math.Sqrt((1243.2874656457639 / (299)) + (6.653545758582071 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.06948315249310025 = (734.1675570947602 - 683.1552807696581) / 734.1675570947602 is greater than 0.05.
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 | x86
-- | --
OS | Windows 10.0.18362
Baseline | [6b8d056a665fa20d321ea1d49a93a37a83960663](https://github.com/dotnet/runtime/commit/6b8d056a665fa20d321ea1d49a93a37a83960663)
Compare | [b3c3921a888fcf162d6e270178a0e3ea9a40a022](https://github.com/dotnet/runtime/commit/b3c3921a888fcf162d6e270178a0e3ea9a40a022)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6b8d056a665fa20d321ea1d49a93a37a83960663...b3c3921a888fcf162d6e270178a0e3ea9a40a022)


### Improvements 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[EncodeUtf16 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments%3a%20UnsafeRelaxed%2cno%20(escaping%20%2f)%20required%2c16).html>) | 26.33 ns | 24.13 ns | 0.92 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Text.Encodings.Web.Tests.Perf_Encoders.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.Encodings.Web.Tests.Perf_Encoders*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-979ecd17-dbbd-4788-be67-249db5fe6353a558ed56eef4b8b8a/5ab50941-6e2d-49dc-bdf6-ebf7ff7511ad.zip?sv=2021-06-08&se=2022-08-01T13%3A36%3A13Z&sr=c&sp=rl&sig=pSOyNg5fAUfHCAPRoxWUuhXhzzJJJk3LGt%2FYbGQ5YjY%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-424204a3-109a-4e20-a18e-cf80743f6e95d23d4168b4d4ff982/0d10fb68-6875-43c7-b482-b9e55676b546.zip?sv=2021-06-08&se=2022-08-02T04%3A56%3A56Z&sr=c&sp=rl&sig=63Isqt6lmlLCnl%2B9bO2bfZoTu8boRHJCTky%2FDkW4g5U%3D>)
### Histogram

#### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,no &lt;escaping /&gt; required,16)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 24.134292238877215 < 24.81161114556024.
IsChangePoint: Marked as a change because one of 5/6/2022 8:15:32 AM, 5/11/2022 9:09:01 PM, 5/25/2022 8:13:38 AM, 6/8/2022 9:45:10 AM, 6/21/2022 2:34:11 AM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsImprovementStdDev: Marked as improvement because 10.533092016245229 (T) = (0 -24.454172123196006) / Math.Sqrt((1.5307696253384955 / (299)) + (0.08507545065014964 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.053576655134245706 = (25.838513236024113 - 24.454172123196006) / 25.838513236024113 is greater than 0.05.
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 | x86
-- | --
OS | Windows 10.0.18362
Baseline | [6b8d056a665fa20d321ea1d49a93a37a83960663](https://github.com/dotnet/runtime/commit/6b8d056a665fa20d321ea1d49a93a37a83960663)
Compare | [b3c3921a888fcf162d6e270178a0e3ea9a40a022](https://github.com/dotnet/runtime/commit/b3c3921a888fcf162d6e270178a0e3ea9a40a022)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6b8d056a665fa20d321ea1d49a93a37a83960663...b3c3921a888fcf162d6e270178a0e3ea9a40a022)


### Improvements in System.Buffers.Text.Tests.Utf8FormatterTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[FormatterInt32 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value%3a%2012345).html>) | 15.05 ns | 12.31 ns | 0.82 | 0.04 | False | | |
[FormatterUInt64 - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64(value%3a%2012345).html>) | 10.22 ns | 7.68 ns | 0.75 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Buffers.Text.Tests.Utf8FormatterTests.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Text.Tests.Utf8FormatterTests*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-979ecd17-dbbd-4788-be67-249db5fe6353a558ed56eef4b8b8a/5ab50941-6e2d-49dc-bdf6-ebf7ff7511ad.zip?sv=2021-06-08&se=2022-08-01T13%3A36%3A13Z&sr=c&sp=rl&sig=pSOyNg5fAUfHCAPRoxWUuhXhzzJJJk3LGt%2FYbGQ5YjY%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-424204a3-109a-4e20-a18e-cf80743f6e95d23d4168b4d4ff982/0d10fb68-6875-43c7-b482-b9e55676b546.zip?sv=2021-06-08&se=2022-08-02T04%3A56%3A56Z&sr=c&sp=rl&sig=63Isqt6lmlLCnl%2B9bO2bfZoTu8boRHJCTky%2FDkW4g5U%3D>)
### Histogram

#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: 12345)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 12.312232019767073 < 14.294955198929268.
IsChangePoint: Marked as a change because one of 5/11/2022 9:09:01 PM, 5/30/2022 12:57:05 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsImprovementStdDev: Marked as improvement because 64.83043897532639 (T) = (0 -12.338758697454718) / Math.Sqrt((0.37467949977881404 / (299)) + (0.00485246808321711 / (8))) is greater than 1.967772354556772 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (8) - 2, .975) and 0.18472623359588636 = (15.134497399415476 - 12.338758697454718) / 15.134497399415476 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Text.Tests.Utf8FormatterTests.FormatterUInt64(value: 12345)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 7.67707494062857 < 9.698278718124989.
IsChangePoint: Marked as a change because one of 5/30/2022 12:57:05 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsImprovementStdDev: Marked as improvement because 70.64656678801862 (T) = (0 -7.693144642681609) / Math.Sqrt((0.24593487472131462 / (299)) + (0.0010464765490264705 / (6))) is greater than 1.967824097752068 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (6) - 2, .975) and 0.2247753515228235 = (9.923761657725597 - 7.693144642681609) / 9.923761657725597 is greater than 0.05.
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 | x86
-- | --
OS | Windows 10.0.18362
Baseline | [6b8d056a665fa20d321ea1d49a93a37a83960663](https://github.com/dotnet/runtime/commit/6b8d056a665fa20d321ea1d49a93a37a83960663)
Compare | [b3c3921a888fcf162d6e270178a0e3ea9a40a022](https://github.com/dotnet/runtime/commit/b3c3921a888fcf162d6e270178a0e3ea9a40a022)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6b8d056a665fa20d321ea1d49a93a37a83960663...b3c3921a888fcf162d6e270178a0e3ea9a40a022)


### Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Count - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x86_Windows 10.0.18362/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern%3a%20%22(%5bA-Za-z%5dawyer%7c%5bA-Za-z%5dinn)%5cs%22%2c%20Options%3a%20NonBacktracking).html>) | 32.00 ms | 30.11 ms | 0.94 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_05_2022/refs/heads/main_x86_Windows%2010.0.18362_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-979ecd17-dbbd-4788-be67-249db5fe6353a558ed56eef4b8b8a/5ab50941-6e2d-49dc-bdf6-ebf7ff7511ad.zip?sv=2021-06-08&se=2022-08-01T13%3A36%3A13Z&sr=c&sp=rl&sig=pSOyNg5fAUfHCAPRoxWUuhXhzzJJJk3LGt%2FYbGQ5YjY%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-424204a3-109a-4e20-a18e-cf80743f6e95d23d4168b4d4ff982/0d10fb68-6875-43c7-b482-b9e55676b546.zip?sv=2021-06-08&se=2022-08-02T04%3A56%3A56Z&sr=c&sp=rl&sig=63Isqt6lmlLCnl%2B9bO2bfZoTu8boRHJCTky%2FDkW4g5U%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "([A-Za-z]awyer|[A-Za-z]inn)\s", Options: NonBacktracking)

```log

```
### Description of detection logic
```IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed:Marked as improvement because 30.112115 < 30.401563145833332.
IsChangePoint: Marked as a change because one of 5/9/2022 5:23:46 PM, 7/2/2022 7:35:06 PM, 7/5/2022 10:15:28 AM falls between 6/26/2022 6:11:06 PM and 7/5/2022 10:15:28 AM.
IsImprovementStdDev: Marked as improvement because 23.391401584913655 (T) = (0 -30135494.432234436) / Math.Sqrt((97620637522.8041 / (299)) + (44050333857.33712 / (7))) is greater than 1.9677981407170237 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (7) - 2, .975) and 0.05940072179399202 = (32038611.054126523 - 30135494.432234436) / 32038611.054126523 is greater than 0.05.
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	x86
OS	Windows 10.0.18362
Baseline	6b8d056a665fa20d321ea1d49a93a37a83960663
Compare	59616049ef3f6f95d0e8943db446b5311a9cd141
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SelectToArray - Duration of single invocation	314.12 ns	282.27 ns	0.90	0.04	False
WhereSingle_LastElementMatches - Duration of single invocation	385.55 ns	325.62 ns	0.84	0.03	False
WhereAny_LastElementMatches - Duration of single invocation	726.75 ns	681.87 ns	0.94	0.03	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
FormatterInt32 - Duration of single invocation	15.05 ns	12.31 ns	0.82	0.04	False
FormatterUInt64 - Duration of single invocation	10.22 ns	7.68 ns	0.75	0.04	False

[Perf] Changes at 7/2/2022 10:25:38 PM #6537

Description

Run Information

Improvements in System.Linq.Tests.Perf_Enumerable

Repro

Payloads

Histogram

System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Array)

Description of detection logic

Description of detection logic

Description of detection logic

Docs

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

Repro

Payloads

Histogram

System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf16(arguments: UnsafeRelaxed,no <escaping /> required,16)

Description of detection logic

Docs

Run Information

Improvements in System.Buffers.Text.Tests.Utf8FormatterTests

Repro

Payloads

Histogram

System.Buffers.Text.Tests.Utf8FormatterTests.FormatterInt32(value: 12345)

Description of detection logic

Description of detection logic

Docs

Run Information

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig

Repro

Payloads

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Leipzig.Count(Pattern: "([A-Za-z]awyer|[A-Za-z]inn)\s", Options: NonBacktracking)

Description of detection logic

Docs

Metadata

Metadata

Assignees

Labels

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Development

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