[Perf] Changes at 6/7/2022 6:41:39 PM

### Run Information

Architecture | arm64
-- | --
OS | ubuntu 18.04
Baseline | [bab1a1f239325746873d2ae795ea343e7901dbce](https://github.com/dotnet/runtime/commit/bab1a1f239325746873d2ae795ea343e7901dbce)
Compare | [31cd7eb907133929846e5d229d18cc8bc77bde63](https://github.com/dotnet/runtime/commit/31cd7eb907133929846e5d229d18cc8bc77bde63)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bab1a1f239325746873d2ae795ea343e7901dbce...31cd7eb907133929846e5d229d18cc8bc77bde63)


### Improvements in System.Threading.Channels.Tests.UnboundedChannelPerfTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[PingPong - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Threading.Channels.Tests.UnboundedChannelPerfTests.PingPong.html>) | 55.35 ms | 51.35 ms | 0.93 | 0.52 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Threading.Channels.Tests.UnboundedChannelPerfTests_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Threading.Channels.Tests.UnboundedChannelPerfTests.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Threading.Channels.Tests.UnboundedChannelPerfTests*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-2ad0b08e-042c-47e4-ada9-36840ebadb6ee604a699a5545038e/9e13f126-22a1-4a73-bd10-660ca872bf59.zip?sv=2019-07-07&se=2022-07-07T08%3A34%3A05Z&sr=c&sp=rl&sig=wX76nMQ9NvAfP6%2BoivIuTyZGRIXZ4FP%2FZmHxNbVBk4c%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1ad26cf2-dd2a-4f8c-8ad0-051b39952f1bb1b4dbc2a7343d9a7/a6d0815c-dd38-4067-8a52-94bcbd8d0f73.zip?sv=2019-07-07&se=2022-07-08T01%3A10%3A19Z&sr=c&sp=rl&sig=jBAIt%2FcJol88Oe6X3BHRVDFei8Mlz3QUNeIrd2Li9JQ%3D>)
### Histogram

#### System.Threading.Channels.Tests.UnboundedChannelPerfTests.PingPong

```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 51.34978317857143 < 55.93948785865384.
IsChangePoint: Marked as a change because one of 6/7/2022 9:37:06 AM, 6/9/2022 12:28:12 AM falls between 5/31/2022 10:47:41 AM and 6/9/2022 12:28:12 AM.
IsImprovementStdDev: Marked as improvement because 10.659402079034132 (T) = (0 -50257771.63543956) / Math.Sqrt((16834023031200.523 / (299)) + (6231554032261.666 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.1948910114477687 = (62423562.95861811 - 50257771.63543956) / 62423562.95861811 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 | arm64
-- | --
OS | ubuntu 18.04
Baseline | [bab1a1f239325746873d2ae795ea343e7901dbce](https://github.com/dotnet/runtime/commit/bab1a1f239325746873d2ae795ea343e7901dbce)
Compare | [31cd7eb907133929846e5d229d18cc8bc77bde63](https://github.com/dotnet/runtime/commit/31cd7eb907133929846e5d229d18cc8bc77bde63)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bab1a1f239325746873d2ae795ea343e7901dbce...31cd7eb907133929846e5d229d18cc8bc77bde63)


### Improvements in System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SingleParallel - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).SingleParallel(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20True).html>) | 52.89 μs | 14.13 μs | 0.27 | 0.04 | False | | |
[SingleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).SingleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20False).html>) | 1.48 μs | 1.36 μs | 0.92 | 0.31 | False | | |
[SingleParallel - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).SingleParallel(RentalSize%3a%204096%2c%20ManipulateArray%3a%20True%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20True).html>) | 57.84 μs | 9.11 μs | 0.16 | 0.03 | False | | |
[SingleSerial - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).SingleSerial(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20True).html>) | 1.62 μs | 1.04 μs | 0.64 | 0.62 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Byte)_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Byte)_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Byte)_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Byte)_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Byte).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-2ad0b08e-042c-47e4-ada9-36840ebadb6ee604a699a5545038e/9e13f126-22a1-4a73-bd10-660ca872bf59.zip?sv=2019-07-07&se=2022-07-07T08%3A34%3A05Z&sr=c&sp=rl&sig=wX76nMQ9NvAfP6%2BoivIuTyZGRIXZ4FP%2FZmHxNbVBk4c%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1ad26cf2-dd2a-4f8c-8ad0-051b39952f1bb1b4dbc2a7343d9a7/a6d0815c-dd38-4067-8a52-94bcbd8d0f73.zip?sv=2019-07-07&se=2022-07-08T01%3A10%3A19Z&sr=c&sp=rl&sig=jBAIt%2FcJol88Oe6X3BHRVDFei8Mlz3QUNeIrd2Li9JQ%3D>)
### Histogram

#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.SingleParallel(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)

```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 14.130569566499998 < 50.18482271276667.
IsChangePoint: Marked as a change because one of 6/7/2022 9:37:06 AM, 6/9/2022 12:28:12 AM falls between 5/31/2022 10:47:41 AM and 6/9/2022 12:28:12 AM.
IsImprovementStdDev: Marked as improvement because 89.17703727092004 (T) = (0 -13564.354656289472) / Math.Sqrt((631593.5427050352 / (299)) + (950881.2049405216 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.7424610106922827 = (52669.130576117415 - 13564.354656289472) / 52669.130576117415 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: False)

```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 1.3603381203333336 < 1.4476956044624998.
IsChangePoint: Marked as a change because one of 3/4/2022 4:48:09 PM, 4/19/2022 4:53:57 AM, 6/7/2022 9:37:06 AM, 6/9/2022 12:28:12 AM falls between 5/31/2022 10:47:41 AM and 6/9/2022 12:28:12 AM.
IsImprovementStdDev: Marked as improvement because 7.75136539293671 (T) = (0 -1306.6759323552633) / Math.Sqrt((5427.221642237763 / (299)) + (2123.517431842601 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.1109817656628146 = (1469.7965484695214 - 1306.6759323552633) / 1469.7965484695214 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.SingleParallel(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: True)

```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 9.114894403529412 < 54.70560359812381.
IsChangePoint: Marked as a change because one of 6/7/2022 9:37:06 AM, 6/9/2022 12:28:12 AM falls between 5/31/2022 10:47:41 AM and 6/9/2022 12:28:12 AM.
IsImprovementStdDev: Marked as improvement because 115.9224806266954 (T) = (0 -9789.273519676643) / Math.Sqrt((566337.7800032693 / (299)) + (832650.0357085539 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.8293460181574484 = (57363.28806384604 - 9789.273519676643) / 57363.28806384604 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Byte&gt;.SingleSerial(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)

```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 1.0410420100000002 < 1.30779533661875.
IsChangePoint: Marked as a change because one of 5/29/2022 5:15:01 PM, 6/7/2022 9:37:06 AM, 6/9/2022 12:28:12 AM falls between 5/31/2022 10:47:41 AM and 6/9/2022 12:28:12 AM.
IsImprovementStdDev: Marked as improvement because 9.58536911478917 (T) = (0 -1085.2608078519231) / Math.Sqrt((10189.146495006533 / (299)) + (2576.86609849191 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.17152206840239936 = (1309.945342489876 - 1085.2608078519231) / 1309.945342489876 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 | arm64
-- | --
OS | ubuntu 18.04
Baseline | [bab1a1f239325746873d2ae795ea343e7901dbce](https://github.com/dotnet/runtime/commit/bab1a1f239325746873d2ae795ea343e7901dbce)
Compare | [31cd7eb907133929846e5d229d18cc8bc77bde63](https://github.com/dotnet/runtime/commit/31cd7eb907133929846e5d229d18cc8bc77bde63)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bab1a1f239325746873d2ae795ea343e7901dbce...31cd7eb907133929846e5d229d18cc8bc77bde63)


### Improvements in System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[SingleParallel - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Buffers.Tests.RentReturnArrayPoolTests(Object).SingleParallel(RentalSize%3a%204096%2c%20ManipulateArray%3a%20False%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20True).html>) | 52.85 μs | 13.14 μs | 0.25 | 0.05 | False | | |
[SingleParallel - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Buffers.Tests.RentReturnArrayPoolTests(Object).SingleParallel(RentalSize%3a%204096%2c%20ManipulateArray%3a%20True%2c%20Async%3a%20True%2c%20UseSharedPool%3a%20True).html>) | 50.24 μs | 6.89 μs | 0.14 | 0.13 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Object)_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Object)_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Buffers.Tests.RentReturnArrayPoolTests(Object).html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-2ad0b08e-042c-47e4-ada9-36840ebadb6ee604a699a5545038e/9e13f126-22a1-4a73-bd10-660ca872bf59.zip?sv=2019-07-07&se=2022-07-07T08%3A34%3A05Z&sr=c&sp=rl&sig=wX76nMQ9NvAfP6%2BoivIuTyZGRIXZ4FP%2FZmHxNbVBk4c%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1ad26cf2-dd2a-4f8c-8ad0-051b39952f1bb1b4dbc2a7343d9a7/a6d0815c-dd38-4067-8a52-94bcbd8d0f73.zip?sv=2019-07-07&se=2022-07-08T01%3A10%3A19Z&sr=c&sp=rl&sig=jBAIt%2FcJol88Oe6X3BHRVDFei8Mlz3QUNeIrd2Li9JQ%3D>)
### Histogram

#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;.SingleParallel(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)

```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 13.141911763333331 < 50.25820595876236.
IsChangePoint: Marked as a change because one of 6/7/2022 9:37:06 AM, 6/9/2022 12:28:12 AM falls between 5/31/2022 10:47:41 AM and 6/9/2022 12:28:12 AM.
IsImprovementStdDev: Marked as improvement because 125.45379070722589 (T) = (0 -13189.190156333332) / Math.Sqrt((733408.5774327392 / (299)) + (486062.24365584325 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.7501797472985337 = (52794.719458131076 - 13189.190156333332) / 52794.719458131076 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.Buffers.Tests.RentReturnArrayPoolTests&lt;Object&gt;.SingleParallel(RentalSize: 4096, ManipulateArray: True, Async: True, UseSharedPool: True)

```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 6.8876041836842115 < 47.51520831210416.
IsChangePoint: Marked as a change because one of 6/7/2022 9:37:06 AM, 6/9/2022 12:28:12 AM falls between 5/31/2022 10:47:41 AM and 6/9/2022 12:28:12 AM.
IsImprovementStdDev: Marked as improvement because 76.3185501223648 (T) = (0 -7662.260730092397) / Math.Sqrt((1381913.07345562 / (299)) + (1523850.8852830054 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.8471001493123216 = (50112.937950107946 - 7662.260730092397) / 50112.937950107946 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 | arm64
-- | --
OS | ubuntu 18.04
Baseline | [bab1a1f239325746873d2ae795ea343e7901dbce](https://github.com/dotnet/runtime/commit/bab1a1f239325746873d2ae795ea343e7901dbce)
Compare | [31cd7eb907133929846e5d229d18cc8bc77bde63](https://github.com/dotnet/runtime/commit/31cd7eb907133929846e5d229d18cc8bc77bde63)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bab1a1f239325746873d2ae795ea343e7901dbce...31cd7eb907133929846e5d229d18cc8bc77bde63)


### Improvements in System.Threading.Tasks.Tests.Perf_AsyncMethods

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Yield - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_arm64_ubuntu 18.04/System.Threading.Tasks.Tests.Perf_AsyncMethods.Yield.html>) | 1.59 μs | 857.32 ns | 0.54 | 0.57 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Threading.Tasks.Tests.Perf_AsyncMethods_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Threading.Tasks.Tests.Perf_AsyncMethods.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Threading.Tasks.Tests.Perf_AsyncMethods*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-2ad0b08e-042c-47e4-ada9-36840ebadb6ee604a699a5545038e/9e13f126-22a1-4a73-bd10-660ca872bf59.zip?sv=2019-07-07&se=2022-07-07T08%3A34%3A05Z&sr=c&sp=rl&sig=wX76nMQ9NvAfP6%2BoivIuTyZGRIXZ4FP%2FZmHxNbVBk4c%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1ad26cf2-dd2a-4f8c-8ad0-051b39952f1bb1b4dbc2a7343d9a7/a6d0815c-dd38-4067-8a52-94bcbd8d0f73.zip?sv=2019-07-07&se=2022-07-08T01%3A10%3A19Z&sr=c&sp=rl&sig=jBAIt%2FcJol88Oe6X3BHRVDFei8Mlz3QUNeIrd2Li9JQ%3D>)
### Histogram

#### System.Threading.Tasks.Tests.Perf_AsyncMethods.Yield

```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 857.3235512857143 < 1.50769502470375.
IsChangePoint: Marked as a change because one of 4/19/2022 6:32:34 PM, 6/7/2022 9:37:06 AM, 6/9/2022 12:28:12 AM falls between 5/31/2022 10:47:41 AM and 6/9/2022 12:28:12 AM.
IsImprovementStdDev: Marked as improvement because 46.68779610722028 (T) = (0 -841.103379947619) / Math.Sqrt((14738.04378794372 / (293)) + (738.7624122829625 / (5))) is greater than 1.9680107275502179 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (293) + (5) - 2, .975) and 0.4385707785820341 = (1498.1467794342766 - 841.103379947619) / 1498.1467794342766 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 | arm64
-- | --
OS | ubuntu 18.04
Baseline | [bab1a1f239325746873d2ae795ea343e7901dbce](https://github.com/dotnet/runtime/commit/bab1a1f239325746873d2ae795ea343e7901dbce)
Compare | [31cd7eb907133929846e5d229d18cc8bc77bde63](https://github.com/dotnet/runtime/commit/31cd7eb907133929846e5d229d18cc8bc77bde63)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bab1a1f239325746873d2ae795ea343e7901dbce...31cd7eb907133929846e5d229d18cc8bc77bde63)


### Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas

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_arm64_ubuntu 18.04/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Count(Pattern%3a%20%22%5b%5cw%5d%2b%3a%2f%2f%5b%5e%2f%5cs%3f%23%5d%2b%5b%5e%5cs%3f%23%5d%2b(%3f%3a%5c%3f%5b%5e%5cs%23%5d*)%3f(%3f%3a%23%5b%5e%5cs%5d*)%3f%22%2c%20Options%3a%20NonBacktracking).html>) | 29.06 ms | 10.44 ms | 0.36 | 0.59 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_09_2022/refs/heads/main_arm64_ubuntu%2018.04_Improvement/System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.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_Mariomkas*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-2ad0b08e-042c-47e4-ada9-36840ebadb6ee604a699a5545038e/9e13f126-22a1-4a73-bd10-660ca872bf59.zip?sv=2019-07-07&se=2022-07-07T08%3A34%3A05Z&sr=c&sp=rl&sig=wX76nMQ9NvAfP6%2BoivIuTyZGRIXZ4FP%2FZmHxNbVBk4c%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-1ad26cf2-dd2a-4f8c-8ad0-051b39952f1bb1b4dbc2a7343d9a7/a6d0815c-dd38-4067-8a52-94bcbd8d0f73.zip?sv=2019-07-07&se=2022-07-08T01%3A10%3A19Z&sr=c&sp=rl&sig=jBAIt%2FcJol88Oe6X3BHRVDFei8Mlz3QUNeIrd2Li9JQ%3D>)
### Histogram

#### System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Count(Pattern: "[\w]+://[^/\s?#]+[^\s?#]+(?:\?[^\s#]*)?(?:#[^\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 10.4391839625 < 27.717872212083336.
IsChangePoint: Marked as a change because one of 5/27/2022 6:33:44 PM, 6/7/2022 9:37:06 AM, 6/9/2022 12:28:12 AM falls between 5/31/2022 10:47:41 AM and 6/9/2022 12:28:12 AM.
IsImprovementStdDev: Marked as improvement because 2.942289278587551 (T) = (0 -12487041.667146962) / Math.Sqrt((201692538688928.72 / (299)) + (20216386412992.637 / (5))) is greater than 1.9678502273660254 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (5) - 2, .975) and 0.3385352281217428 = (18877863.490280032 - 12487041.667146962) / 18877863.490280032 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	arm64
OS	ubuntu 18.04
Baseline	bab1a1f239325746873d2ae795ea343e7901dbce
Compare	31cd7eb907133929846e5d229d18cc8bc77bde63
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
SingleParallel - Duration of single invocation	52.89 μs	14.13 μs	0.27	0.04	False
SingleSerial - Duration of single invocation	1.48 μs	1.36 μs	0.92	0.31	False
SingleParallel - Duration of single invocation	57.84 μs	9.11 μs	0.16	0.03	False
SingleSerial - Duration of single invocation	1.62 μs	1.04 μs	0.64	0.62	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
SingleParallel - Duration of single invocation	52.85 μs	13.14 μs	0.25	0.05	False
SingleParallel - Duration of single invocation	50.24 μs	6.89 μs	0.14	0.13	False

[Perf] Changes at 6/7/2022 6:41:39 PM #5980

Description

Run Information

Improvements in System.Threading.Channels.Tests.UnboundedChannelPerfTests

Repro

Payloads

Histogram

System.Threading.Channels.Tests.UnboundedChannelPerfTests.PingPong

Description of detection logic

Docs

Improvements in System.Buffers.Tests.RentReturnArrayPoolTests<Byte>

Repro

Payloads

Histogram

System.Buffers.Tests.RentReturnArrayPoolTests<Byte>.SingleParallel(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Run Information

Improvements in System.Buffers.Tests.RentReturnArrayPoolTests<Object>

Repro

Payloads

Histogram

System.Buffers.Tests.RentReturnArrayPoolTests<Object>.SingleParallel(RentalSize: 4096, ManipulateArray: False, Async: True, UseSharedPool: True)

Description of detection logic

Description of detection logic

Docs

Run Information

Improvements in System.Threading.Tasks.Tests.Perf_AsyncMethods

Repro

Payloads

Histogram

System.Threading.Tasks.Tests.Perf_AsyncMethods.Yield

Description of detection logic

Docs

Run Information

Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas

Repro

Payloads

Histogram

System.Text.RegularExpressions.Tests.Perf_Regex_Industry_Mariomkas.Count(Pattern: "[\w]+://[^/\s?#]+[^\s?#]+(?:?[^\s#])?(?:#[^\s])?", Options: NonBacktracking)

Description of detection logic

Docs

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