[Perf] Linux/x64: 10 Improvements on 11/7/2022 8:57:30 PM

### Run Information

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [bfa4812aec806f09f1e2927939ba98118e5e5bf7](https://github.com/dotnet/runtime/commit/bfa4812aec806f09f1e2927939ba98118e5e5bf7)
Compare | [2aebbf75167b3aa21cae23e6fd702688dd724663](https://github.com/dotnet/runtime/commit/2aebbf75167b3aa21cae23e6fd702688dd724663)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bfa4812aec806f09f1e2927939ba98118e5e5bf7...2aebbf75167b3aa21cae23e6fd702688dd724663)


### Improvements in System.IO.Tests.StreamReaderReadLineTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ReadLineAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange%3a%20%5b%20129%2c%201024%5d).html>) | 29.47 μs | 6.87 μs | 0.23 | 0.03 | False | | |
[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b1025%2c%202048%5d).html>) | 15.26 μs | 5.12 μs | 0.34 | 0.12 | False | | |
[ReadLineAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange%3a%20%5b%20%2033%2c%20%20128%5d).html>) | 35.49 μs | 16.32 μs | 0.46 | 0.02 | False | | |
[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b%20%20%200%2c%201024%5d).html>) | 15.33 μs | 4.63 μs | 0.30 | 0.11 | False | | |
[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b%20129%2c%201024%5d).html>) | 14.70 μs | 4.63 μs | 0.32 | 0.04 | False | | |
[ReadLineAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange%3a%20%5b%20%20%200%2c%201024%5d).html>) | 29.40 μs | 6.99 μs | 0.24 | 0.02 | False | | |
[ReadLineAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange%3a%20%5b1025%2c%202048%5d).html>) | 31.07 μs | 6.44 μs | 0.21 | 0.03 | False | | |
[ReadLineAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange%3a%20%5b%20%20%209%2c%20%20%2032%5d).html>) | 60.51 μs | 44.92 μs | 0.74 | 0.06 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.StreamReaderReadLineTests_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.StreamReaderReadLineTests_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.StreamReaderReadLineTests_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.StreamReaderReadLineTests_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.StreamReaderReadLineTests_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.StreamReaderReadLineTests_6.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.StreamReaderReadLineTests_7.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.StreamReaderReadLineTests_8.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.StreamReaderReadLineTests.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.IO.Tests.StreamReaderReadLineTests*'
```

### Related Issues

#### Regressions

* [[Perf] Linux/x64: 22 Regressions on 11/7/2022 8:57:30 PM](<https://github.com/dotnet/runtime/issues/78401>)
#### Improvements

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7cad1ec5-9416-4971-817f-f56a42c52ca546b09f26c9f4122b4/8fe0fdda-d537-46fa-8866-3c49810bbfbd.zip?sv=2021-08-06&se=2022-12-07T11%3A22%3A00Z&sr=c&sp=rl&sig=xFnbhiPIgobyPyE%2FGRgJfqzi3ybwCUb19NllEVx4d0s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-77d0c4b2-0657-4105-882a-c9459a2ce7e9a222d4c95964dbaa6/51d3d015-e3b2-4a26-af35-2e68ee02ad8f.zip?sv=2021-08-06&se=2022-12-08T04%3A42%3A07Z&sr=c&sp=rl&sig=saFuw03AeMS6%2FMg8Xh92Kyo5yjRXiNsxL%2BgUWRjnZ2A%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_15_2022/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange- [   9,   32]).txt?sv=2018-03-28&sr=c&sig=XY91HfJ33gUz%2F6reRXA6dLc1DMCMz2Jx1g9tAdCYuJo%3D&se=2022-12-08T12%3A14%3A05Z&sp=racwdl>)
#### System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 129, 1024])

```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 6.874550958423327 < 27.918365875973983.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsImprovementStdDev: Marked as improvement because 227.88651801629885 (T) = (0 -6699.912147240191) / Math.Sqrt((2260895.8030900867 / (299)) + (8050.2893158167735 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.7499969527332269 = (26799.321930227732 - 6699.912147240191) / 26799.321930227732 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [1025, 2048])

```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 5.124730586509474 < 14.616434894168668.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsImprovementStdDev: Marked as improvement because 249.2849466429594 (T) = (0 -5070.112921859403) / Math.Sqrt((538842.66295189 / (299)) + (3804.402003852631 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.6821324981460792 = (15950.397232458905 - 5070.112921859403) / 15950.397232458905 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [  33,  128])

```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 16.320545269684356 < 33.68712119453194.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsImprovementStdDev: Marked as improvement because 187.16368667963812 (T) = (0 -16479.910084107487) / Math.Sqrt((2139572.30188433 / (299)) + (35326.84562351337 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.5056362787246094 = (33335.59760734784 - 16479.910084107487) / 33335.59760734784 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [   0, 1024])

```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 4.6296370806196965 < 14.80713849102035.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsImprovementStdDev: Marked as improvement because 292.5307827540999 (T) = (0 -4581.981166649603) / Math.Sqrt((449303.3952347499 / (299)) + (1838.2163624397913 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.7155413911673281 = (16107.725427796344 - 4581.981166649603) / 16107.725427796344 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [ 129, 1024])

```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 4.630271551268499 < 13.986587560041645.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsImprovementStdDev: Marked as improvement because 308.3718920354879 (T) = (0 -4663.899092846423) / Math.Sqrt((326353.36504627287 / (299)) + (2406.3038708271465 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.6921700101351221 = (15150.892526402782 - 4663.899092846423) / 15150.892526402782 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [   0, 1024])

```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 6.992651506496417 < 27.739922165990237.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsImprovementStdDev: Marked as improvement because 229.89613184765537 (T) = (0 -6941.985284833437) / Math.Sqrt((2113234.3696128586 / (299)) + (10896.040922287733 / (36))) is greater than 1.9671134448822736 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (36) - 2, .975) and 0.7397932359533165 = (26678.727243185655 - 6941.985284833437) / 26678.727243185655 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [1025, 2048])

```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 6.443018510677468 < 29.597438100376028.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsImprovementStdDev: Marked as improvement because 221.64269337870857 (T) = (0 -6353.6607010606185) / Math.Sqrt((2886041.7883618395 / (299)) + (6699.820560590223 / (37))) is greater than 1.9670919629190173 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (37) - 2, .975) and 0.7757466743136491 = (28332.51494315444 - 6353.6607010606185) / 28332.51494315444 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [   9,   32])

```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 44.919691933606735 < 57.38740449674722.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsImprovementStdDev: Marked as improvement because 71.24219508728125 (T) = (0 -45121.93543981621) / Math.Sqrt((3020148.9385007257 / (299)) + (780872.8028733424 / (36))) is greater than 1.9671134448822736 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (36) - 2, .975) and 0.21967564462042644 = (57824.58938868764 - 45121.93543981621) / 57824.58938868764 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>
### Run Information

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [bfa4812aec806f09f1e2927939ba98118e5e5bf7](https://github.com/dotnet/runtime/commit/bfa4812aec806f09f1e2927939ba98118e5e5bf7)
Compare | [2aebbf75167b3aa21cae23e6fd702688dd724663](https://github.com/dotnet/runtime/commit/2aebbf75167b3aa21cae23e6fd702688dd724663)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bfa4812aec806f09f1e2927939ba98118e5e5bf7...2aebbf75167b3aa21cae23e6fd702688dd724663)


### Improvements in System.IO.Tests.Perf_File

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ReadAllLines - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_File.ReadAllLines.html>) | 12.07 μs | 9.15 μs | 0.76 | 0.06 | False | | |
[ReadAllLinesAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_File.ReadAllLinesAsync.html>) | 30.77 μs | 25.40 μs | 0.83 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.Perf_File_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.Perf_File_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/11_15_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.Perf_File.html>)

### Repro

```cmd
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.IO.Tests.Perf_File*'
```

### Related Issues

#### Regressions

* [[Perf] Alpine/x64: 22 Regressions on 11/7/2022 8:57:30 PM](<https://github.com/dotnet/perf-autofiling-issues/issues/9724>)
* [[Perf] Linux/x64: 22 Regressions on 11/7/2022 8:57:30 PM](<https://github.com/dotnet/runtime/issues/78401>)
#### Improvements

<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-7cad1ec5-9416-4971-817f-f56a42c52ca546b09f26c9f4122b4/8fe0fdda-d537-46fa-8866-3c49810bbfbd.zip?sv=2021-08-06&se=2022-12-07T11%3A22%3A00Z&sr=c&sp=rl&sig=xFnbhiPIgobyPyE%2FGRgJfqzi3ybwCUb19NllEVx4d0s%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-77d0c4b2-0657-4105-882a-c9459a2ce7e9a222d4c95964dbaa6/51d3d015-e3b2-4a26-af35-2e68ee02ad8f.zip?sv=2021-08-06&se=2022-12-08T04%3A42%3A07Z&sr=c&sp=rl&sig=saFuw03AeMS6%2FMg8Xh92Kyo5yjRXiNsxL%2BgUWRjnZ2A%3D>)
### Histogram

### Edge Detector Info

[Collection Data](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/reports/11_15_2022/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_File.ReadAllLinesAsync.txt?sv=2018-03-28&sr=c&sig=XY91HfJ33gUz%2F6reRXA6dLc1DMCMz2Jx1g9tAdCYuJo%3D&se=2022-12-08T12%3A14%3A05Z&sp=racwdl>)
#### System.IO.Tests.Perf_File.ReadAllLines

```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 9.145109336989346 < 11.337753674601991.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsImprovementStdDev: Marked as improvement because 115.81995816434161 (T) = (0 -8801.799444437323) / Math.Sqrt((98324.08821924812 / (299)) + (19639.93416485217 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.2767576832932891 = (12169.917662611862 - 8801.799444437323) / 12169.917662611862 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.Perf_File.ReadAllLinesAsync

```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 25.404320002679533 < 28.972147481506823.
IsChangePoint: Marked as a change because one of 11/7/2022 4:10:19 PM, 11/14/2022 7:25:10 PM falls between 11/5/2022 10:22:58 PM and 11/14/2022 7:25:10 PM.
IsImprovementStdDev: Marked as improvement because 90.83668393695568 (T) = (0 -25397.072948058787) / Math.Sqrt((402758.29323083314 / (299)) + (52958.55060550778 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.15771241563556115 = (30152.495916489785 - 25397.072948058787) / 30152.495916489785 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>




Architecture	x64
OS	ubuntu 18.04
Baseline	bfa4812aec806f09f1e2927939ba98118e5e5bf7
Compare	2aebbf75167b3aa21cae23e6fd702688dd724663
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ReadLineAsync - Duration of single invocation	29.47 μs	6.87 μs	0.23	0.03	False
ReadLine - Duration of single invocation	15.26 μs	5.12 μs	0.34	0.12	False
ReadLineAsync - Duration of single invocation	35.49 μs	16.32 μs	0.46	0.02	False
ReadLine - Duration of single invocation	15.33 μs	4.63 μs	0.30	0.11	False
ReadLine - Duration of single invocation	14.70 μs	4.63 μs	0.32	0.04	False
ReadLineAsync - Duration of single invocation	29.40 μs	6.99 μs	0.24	0.02	False
ReadLineAsync - Duration of single invocation	31.07 μs	6.44 μs	0.21	0.03	False
ReadLineAsync - Duration of single invocation	60.51 μs	44.92 μs	0.74	0.06	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
ReadAllLines - Duration of single invocation	12.07 μs	9.15 μs	0.76	0.06	False
ReadAllLinesAsync - Duration of single invocation	30.77 μs	25.40 μs	0.83	0.01	False

[Perf] Linux/x64: 10 Improvements on 11/7/2022 8:57:30 PM #9735

Description

Run Information

Improvements in System.IO.Tests.StreamReaderReadLineTests

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 129, 1024])

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Improvements in System.IO.Tests.Perf_File

Repro

Related Issues

Regressions

Improvements

Payloads

Histogram

Edge Detector Info

System.IO.Tests.Perf_File.ReadAllLines

Description of detection logic

Description of detection logic

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions