[Perf] Changes at 3/31/2022 1:23:38 AM

### Run Information

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [5a0564b01442f8ea9247e27c4fab85ee0d457265](https://github.com/dotnet/runtime/commit/5a0564b01442f8ea9247e27c4fab85ee0d457265)
Compare | [43ab6b874e08f55fe88081f75ddde8e4a2fe726e](https://github.com/dotnet/runtime/commit/43ab6b874e08f55fe88081f75ddde8e4a2fe726e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/5a0564b01442f8ea9247e27c4fab85ee0d457265...43ab6b874e08f55fe88081f75ddde8e4a2fe726e)


### Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[IsMatch - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id%3a%201%2c%20Options%3a%20NonBacktracking).html>) | 834.55 ns | 768.14 ns | 0.92 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ce007b5e-5602-4ee1-8615-c24e1f664f5bb07dc6c716d409c81/3d48c8f3-f0f7-4c35-90c0-b93f0516d473.zip?sv=2019-07-07&se=2022-04-29T15%3A56%3A42Z&sr=c&sp=rl&sig=2guat3BMYRLXjp5zF%2F1xOfHj652oKt5tnxMOtfh6aRc%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-30c8fecf-1453-44ce-83ed-4b0854e693c91b67e13f62c4890b4/bf1c86d4-557d-4437-8999-3d6e7ffe3487.zip?sv=2019-07-07&se=2022-04-30T10%3A36%3A43Z&sr=c&sp=rl&sig=zt2Ryay2NI3MIBCWvaXqGdyf72ziQ3FewmXldXL4LYI%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 1, 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 768.1417822085888 < 795.6179367555519.
IsChangePoint: Marked as a change because one of 2/7/2022 4:59:24 AM, 2/25/2022 11:02:46 PM, 3/30/2022 6:37:35 PM, 4/5/2022 12:43:03 AM falls between 3/26/2022 9:07:40 PM and 4/5/2022 12:43:03 AM.
IsImprovementStdDev: Marked as improvement because 34.982134189923464 (T) = (0 -766.5502892981608) / Math.Sqrt((2009.191871316471 / (299)) + (7.556719634583893 / (23))) is greater than 1.9674049737480528 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (23) - 2, .975) and 0.1080638244156681 = (859.4228043233841 - 766.5502892981608) / 859.4228043233841 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 | x64
-- | --
OS | ubuntu 18.04
Baseline | [5a0564b01442f8ea9247e27c4fab85ee0d457265](https://github.com/dotnet/runtime/commit/5a0564b01442f8ea9247e27c4fab85ee0d457265)
Compare | [43ab6b874e08f55fe88081f75ddde8e4a2fe726e](https://github.com/dotnet/runtime/commit/43ab6b874e08f55fe88081f75ddde8e4a2fe726e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/5a0564b01442f8ea9247e27c4fab85ee0d457265...43ab6b874e08f55fe88081f75ddde8e4a2fe726e)


### Improvements in SeekUnroll

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/SeekUnroll.Test(boxedIndex%3a%201).html>) | 1.30 secs | 869.74 ms | 0.67 | 0.22 | False | | |
[Test - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/SeekUnroll.Test(boxedIndex%3a%2011).html>) | 1.74 secs | 1.14 secs | 0.66 | 0.18 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/SeekUnroll_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/SeekUnroll_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/SeekUnroll.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'SeekUnroll*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ce007b5e-5602-4ee1-8615-c24e1f664f5bb07dc6c716d409c81/3d48c8f3-f0f7-4c35-90c0-b93f0516d473.zip?sv=2019-07-07&se=2022-04-29T15%3A56%3A42Z&sr=c&sp=rl&sig=2guat3BMYRLXjp5zF%2F1xOfHj652oKt5tnxMOtfh6aRc%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-30c8fecf-1453-44ce-83ed-4b0854e693c91b67e13f62c4890b4/bf1c86d4-557d-4437-8999-3d6e7ffe3487.zip?sv=2019-07-07&se=2022-04-30T10%3A36%3A43Z&sr=c&sp=rl&sig=zt2Ryay2NI3MIBCWvaXqGdyf72ziQ3FewmXldXL4LYI%3D>)
### Histogram

#### SeekUnroll.Test(boxedIndex: 1)

```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 869.7364220833334 < 1.2390576240535716.
IsChangePoint: Marked as a change because one of 3/30/2022 6:37:35 PM, 4/5/2022 12:43:03 AM falls between 3/26/2022 9:07:40 PM and 4/5/2022 12:43:03 AM.
IsImprovementStdDev: Marked as improvement because 42.561718860726124 (T) = (0 -885476376.7591575) / Math.Sqrt((11027978543954628 / (299)) + (610638799716690.5 / (23))) is greater than 1.9674049737480528 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (23) - 2, .975) and 0.27684149968317584 = (1224456846.4191737 - 885476376.7591575) / 1224456846.4191737 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### SeekUnroll.Test(boxedIndex: 11)

```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 1.1420968009285715 < 1.652185020576923.
IsChangePoint: Marked as a change because one of 3/30/2022 6:37:35 PM, 4/5/2022 12:43:03 AM falls between 3/26/2022 9:07:40 PM and 4/5/2022 12:43:03 AM.
IsImprovementStdDev: Marked as improvement because 41.19062317982063 (T) = (0 -1167144120.5803792) / Math.Sqrt((11453671757602684 / (299)) + (2277152473179574 / (23))) is greater than 1.9674049737480528 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (23) - 2, .975) and 0.2925622504629506 = (1649818830.4824896 - 1167144120.5803792) / 1649818830.4824896 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 | x64
-- | --
OS | ubuntu 18.04
Baseline | [5a0564b01442f8ea9247e27c4fab85ee0d457265](https://github.com/dotnet/runtime/commit/5a0564b01442f8ea9247e27c4fab85ee0d457265)
Compare | [43ab6b874e08f55fe88081f75ddde8e4a2fe726e](https://github.com/dotnet/runtime/commit/43ab6b874e08f55fe88081f75ddde8e4a2fe726e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/5a0564b01442f8ea9247e27c4fab85ee0d457265...43ab6b874e08f55fe88081f75ddde8e4a2fe726e)


### Improvements in System.MathBenchmarks.Single

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ScaleB - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.MathBenchmarks.Single.ScaleB.html>) | 11.93 μs | 10.06 μs | 0.84 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.MathBenchmarks.Single_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.MathBenchmarks.Single.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.MathBenchmarks.Single*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ce007b5e-5602-4ee1-8615-c24e1f664f5bb07dc6c716d409c81/3d48c8f3-f0f7-4c35-90c0-b93f0516d473.zip?sv=2019-07-07&se=2022-04-29T15%3A56%3A42Z&sr=c&sp=rl&sig=2guat3BMYRLXjp5zF%2F1xOfHj652oKt5tnxMOtfh6aRc%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-30c8fecf-1453-44ce-83ed-4b0854e693c91b67e13f62c4890b4/bf1c86d4-557d-4437-8999-3d6e7ffe3487.zip?sv=2019-07-07&se=2022-04-30T10%3A36%3A43Z&sr=c&sp=rl&sig=zt2Ryay2NI3MIBCWvaXqGdyf72ziQ3FewmXldXL4LYI%3D>)
### Histogram

#### System.MathBenchmarks.Single.ScaleB

```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 10.059887710918115 < 11.340290403902397.
IsChangePoint: Marked as a change because one of 3/30/2022 6:37:35 PM, 4/5/2022 12:43:03 AM falls between 3/26/2022 9:07:40 PM and 4/5/2022 12:43:03 AM.
IsImprovementStdDev: Marked as improvement because 1161.0443150650563 (T) = (0 -10068.378824008221) / Math.Sqrt((327.1211478025036 / (299)) + (33.420035136829505 / (23))) is greater than 1.9674049737480528 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (23) - 2, .975) and 0.15543383307409406 = (11921.361781109003 - 10068.378824008221) / 11921.361781109003 is greater than 0.05.
IsChangeEdgeDetector: Marked as 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 | ubuntu 18.04
Baseline | [5a0564b01442f8ea9247e27c4fab85ee0d457265](https://github.com/dotnet/runtime/commit/5a0564b01442f8ea9247e27c4fab85ee0d457265)
Compare | [43ab6b874e08f55fe88081f75ddde8e4a2fe726e](https://github.com/dotnet/runtime/commit/43ab6b874e08f55fe88081f75ddde8e4a2fe726e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/5a0564b01442f8ea9247e27c4fab85ee0d457265...43ab6b874e08f55fe88081f75ddde8e4a2fe726e)


### 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Average - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Linq.Tests.Perf_Enumerable.Average(input%3a%20IEnumerable).html>) | 390.26 ns | 352.86 ns | 0.90 | 0.02 | False | | |
[Select - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Linq.Tests.Perf_Enumerable.Select(input%3a%20Array).html>) | 541.64 ns | 506.12 ns | 0.93 | 0.00 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Linq.Tests.Perf_Enumerable_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Linq.Tests.Perf_Enumerable_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Linq.Tests.Perf_Enumerable.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Linq.Tests.Perf_Enumerable*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ce007b5e-5602-4ee1-8615-c24e1f664f5bb07dc6c716d409c81/3d48c8f3-f0f7-4c35-90c0-b93f0516d473.zip?sv=2019-07-07&se=2022-04-29T15%3A56%3A42Z&sr=c&sp=rl&sig=2guat3BMYRLXjp5zF%2F1xOfHj652oKt5tnxMOtfh6aRc%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-30c8fecf-1453-44ce-83ed-4b0854e693c91b67e13f62c4890b4/bf1c86d4-557d-4437-8999-3d6e7ffe3487.zip?sv=2019-07-07&se=2022-04-30T10%3A36%3A43Z&sr=c&sp=rl&sig=zt2Ryay2NI3MIBCWvaXqGdyf72ziQ3FewmXldXL4LYI%3D>)
### Histogram

#### System.Linq.Tests.Perf_Enumerable.Average(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 352.8629388550097 < 370.03977011862366.
IsChangePoint: Marked as a change because one of 2/25/2022 7:19:51 AM, 3/21/2022 1:28:14 PM, 3/30/2022 6:37:35 PM, 4/5/2022 12:43:03 AM falls between 3/26/2022 9:07:40 PM and 4/5/2022 12:43:03 AM.
IsImprovementStdDev: Marked as improvement because 41.50561970934662 (T) = (0 -353.0525733867992) / Math.Sqrt((80.32766383205193 / (290)) + (3.132766968716355 / (23))) is greater than 1.9676211333067681 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (290) + (23) - 2, .975) and 0.07026009470317812 = (379.7326234739664 - 353.0525733867992) / 379.7326234739664 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Linq.Tests.Perf_Enumerable.Select(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 506.1216150562042 < 513.0298949538152.
IsChangePoint: Marked as a change because one of 3/7/2022 10:45:01 PM, 3/21/2022 1:28:14 PM, 3/31/2022 1:45:25 PM, 4/5/2022 12:43:03 AM falls between 3/26/2022 9:07:40 PM and 4/5/2022 12:43:03 AM.
IsImprovementStdDev: Marked as improvement because 36.66032917165368 (T) = (0 -511.05334884772293) / Math.Sqrt((212.89425613698708 / (299)) + (34.768093598523734 / (20))) is greater than 1.9674756580274855 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (20) - 2, .975) and 0.10095593615250338 = (568.4408244248327 - 511.05334884772293) / 568.4408244248327 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 | x64
-- | --
OS | ubuntu 18.04
Baseline | [5a0564b01442f8ea9247e27c4fab85ee0d457265](https://github.com/dotnet/runtime/commit/5a0564b01442f8ea9247e27c4fab85ee0d457265)
Compare | [43ab6b874e08f55fe88081f75ddde8e4a2fe726e](https://github.com/dotnet/runtime/commit/43ab6b874e08f55fe88081f75ddde8e4a2fe726e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/5a0564b01442f8ea9247e27c4fab85ee0d457265...43ab6b874e08f55fe88081f75ddde8e4a2fe726e)


### Improvements in System.Xml.Linq.Perf_XDocument

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[CreateWithRootlEement - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.Xml.Linq.Perf_XDocument.CreateWithRootlEement.html>) | 48.68 ns | 44.15 ns | 0.91 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Xml.Linq.Perf_XDocument_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_05_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.Xml.Linq.Perf_XDocument.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Xml.Linq.Perf_XDocument*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-ce007b5e-5602-4ee1-8615-c24e1f664f5bb07dc6c716d409c81/3d48c8f3-f0f7-4c35-90c0-b93f0516d473.zip?sv=2019-07-07&se=2022-04-29T15%3A56%3A42Z&sr=c&sp=rl&sig=2guat3BMYRLXjp5zF%2F1xOfHj652oKt5tnxMOtfh6aRc%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-30c8fecf-1453-44ce-83ed-4b0854e693c91b67e13f62c4890b4/bf1c86d4-557d-4437-8999-3d6e7ffe3487.zip?sv=2019-07-07&se=2022-04-30T10%3A36%3A43Z&sr=c&sp=rl&sig=zt2Ryay2NI3MIBCWvaXqGdyf72ziQ3FewmXldXL4LYI%3D>)
### Histogram

#### System.Xml.Linq.Perf_XDocument.CreateWithRootlEement

```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 44.14553855360638 < 46.00081470005472.
IsChangePoint: Marked as a change because one of 3/17/2022 6:54:53 PM, 3/30/2022 6:37:35 PM, 4/5/2022 12:43:03 AM falls between 3/26/2022 9:07:40 PM and 4/5/2022 12:43:03 AM.
IsImprovementStdDev: Marked as improvement because 29.278409023099574 (T) = (0 -45.470117488401954) / Math.Sqrt((2.9308401442501433 / (299)) + (0.5346002698829703 / (23))) is greater than 1.9674049737480528 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (23) - 2, .975) and 0.10478643728430827 = (50.79248056794988 - 45.470117488401954) / 50.79248056794988 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	x64
OS	ubuntu 18.04
Baseline	5a0564b01442f8ea9247e27c4fab85ee0d457265
Compare	43ab6b874e08f55fe88081f75ddde8e4a2fe726e
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Test - Duration of single invocation	1.30 secs	869.74 ms	0.67	0.22	False
Test - Duration of single invocation	1.74 secs	1.14 secs	0.66	0.18	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Average - Duration of single invocation	390.26 ns	352.86 ns	0.90	0.02	False
Select - Duration of single invocation	541.64 ns	506.12 ns	0.93	0.00	False

Uh oh!

[Perf] Changes at 3/31/2022 1:23:38 AM #4365

Description

Run Information

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple

Repro

Payloads

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_BoostDocs_Simple.IsMatch(Id: 1, Options: NonBacktracking)

Description of detection logic

Docs

Improvements in SeekUnroll

Repro

Payloads

Histogram

SeekUnroll.Test(boxedIndex: 1)

Description of detection logic

Description of detection logic

Docs

Run Information

Improvements in System.MathBenchmarks.Single

Repro

Payloads

Histogram

System.MathBenchmarks.Single.ScaleB

Description of detection logic

Docs

Run Information

Improvements in System.Linq.Tests.Perf_Enumerable

Repro

Payloads

Histogram

System.Linq.Tests.Perf_Enumerable.Average(input: IEnumerable)

Description of detection logic

Description of detection logic

Docs

Run Information

Improvements in System.Xml.Linq.Perf_XDocument

Repro

Payloads

Histogram

System.Xml.Linq.Perf_XDocument.CreateWithRootlEement

Description of detection logic

Docs

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