[Perf] Changes at 6/8/2022 5:26:44 AM

### Run Information

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [0e1b3bba7fb779c84e6d5d1027b37bd10126ba9f](https://github.com/dotnet/runtime/commit/0e1b3bba7fb779c84e6d5d1027b37bd10126ba9f)
Compare | [2c110b6229e928c3f38062e9d8bc875804efc539](https://github.com/dotnet/runtime/commit/2c110b6229e928c3f38062e9d8bc875804efc539)
Diff | [Diff](https://github.com/dotnet/runtime/compare/0e1b3bba7fb779c84e6d5d1027b37bd10126ba9f...2c110b6229e928c3f38062e9d8bc875804efc539)


### 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%5b1025%2c%202048%5d).html>) | 28.01 μs | 16.68 μs | 0.60 | 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%2033%2c%20%20128%5d).html>) | 33.13 μs | 23.42 μs | 0.71 | 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%20129%2c%201024%5d).html>) | 26.26 μs | 15.69 μs | 0.60 | 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%5b%20%20%200%2c%201024%5d).html>) | 26.67 μs | 16.13 μs | 0.60 | 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%5b%20%20%209%2c%20%20%2032%5d).html>) | 58.69 μs | 52.16 μs | 0.89 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_14_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/06_14_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/06_14_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/06_14_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/06_14_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.StreamReaderReadLineTests_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_14_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*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-eaa8224b-ce1e-4453-a344-68e0522dad7e504f2c24ff34fa796/90a289e4-0a7c-4e29-ba49-3c27a37cc110.zip?sv=2019-07-07&se=2022-07-08T01%3A53%3A11Z&sr=c&sp=rl&sig=hWyHVpL27ZUMX5TNny2E2lQbdWTE52LNXV8unpuVTbk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a6e28379-a707-46a8-824e-9e4c7e53c2784dd3b65010a455b9f/70236b62-c04c-433d-8630-6909974795ab.zip?sv=2019-07-07&se=2022-07-08T11%3A11%3A09Z&sr=c&sp=rl&sig=z%2BRfQLTZxmA1bzBLTh%2B9xSvP%2BK9owRz5mkotR%2FN4qII%3D>)
### Histogram

#### 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 16.675306514808725 < 26.6192188817723.
IsChangePoint: Marked as a change because one of 4/13/2022 5:30:39 PM, 6/8/2022 3:33:18 AM, 6/14/2022 8:14:23 AM falls between 6/5/2022 6:02:14 PM and 6/14/2022 8:14:23 AM.
IsImprovementStdDev: Marked as improvement because 95.78145479416212 (T) = (0 -16656.97803004773) / Math.Sqrt((3532798.3203992774 / (299)) + (8011.615508344169 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.3867264409324027 = (27160.76338815666 - 16656.97803004773) / 27160.76338815666 is greater than 0.05.
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 23.42084917664671 < 31.515455175799435.
IsChangePoint: Marked as a change because one of 4/16/2022 5:36:25 PM, 5/20/2022 10:18:01 PM, 5/27/2022 3:44:45 PM, 6/8/2022 3:33:18 AM, 6/14/2022 8:14:23 AM falls between 6/5/2022 6:02:14 PM and 6/14/2022 8:14:23 AM.
IsImprovementStdDev: Marked as improvement because 72.76077874700333 (T) = (0 -23746.56405787241) / Math.Sqrt((2028238.5669226078 / (299)) + (318925.56200608757 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.2740292771229695 = (32710.085006960744 - 23746.56405787241) / 32710.085006960744 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### 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 15.690589296736363 < 25.00336884282742.
IsChangePoint: Marked as a change because one of 4/16/2022 5:36:25 PM, 6/8/2022 3:33:18 AM, 6/14/2022 8:14:23 AM falls between 6/5/2022 6:02:14 PM and 6/14/2022 8:14:23 AM.
IsImprovementStdDev: Marked as improvement because 137.61562195956637 (T) = (0 -15784.293468503518) / Math.Sqrt((1553141.3086999303 / (299)) + (8455.597990133645 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.39086911564064825 = (25912.810980031845 - 15784.293468503518) / 25912.810980031845 is greater than 0.05.
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 16.13263356695816 < 25.32692240017361.
IsChangePoint: Marked as a change because one of 4/13/2022 5:30:39 PM, 6/8/2022 3:33:18 AM, 6/14/2022 8:14:23 AM falls between 6/5/2022 6:02:14 PM and 6/14/2022 8:14:23 AM.
IsImprovementStdDev: Marked as improvement because 97.18606939774574 (T) = (0 -16038.43687863541) / Math.Sqrt((2972877.6614809292 / (299)) + (6361.955660164876 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.3786062377733955 = (25810.42465113554 - 16038.43687863541) / 25810.42465113554 is greater than 0.05.
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 52.159778118008944 < 55.902286652040885.
IsChangePoint: Marked as a change because one of 4/14/2022 8:50:18 PM, 5/27/2022 3:44:45 PM, 6/8/2022 3:33:18 AM, 6/14/2022 8:14:23 AM falls between 6/5/2022 6:02:14 PM and 6/14/2022 8:14:23 AM.
IsImprovementStdDev: Marked as improvement because 28.260720516258715 (T) = (0 -51621.1856149446) / Math.Sqrt((2506880.1868202006 / (299)) + (1114749.9519489673 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.09610732024388564 = (57109.86134866462 - 51621.1856149446) / 57109.86134866462 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 | [0e1b3bba7fb779c84e6d5d1027b37bd10126ba9f](https://github.com/dotnet/runtime/commit/0e1b3bba7fb779c84e6d5d1027b37bd10126ba9f)
Compare | [2c110b6229e928c3f38062e9d8bc875804efc539](https://github.com/dotnet/runtime/commit/2c110b6229e928c3f38062e9d8bc875804efc539)
Diff | [Diff](https://github.com/dotnet/runtime/compare/0e1b3bba7fb779c84e6d5d1027b37bd10126ba9f...2c110b6229e928c3f38062e9d8bc875804efc539)


### 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
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[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>) | 30.83 μs | 27.74 μs | 0.90 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_14_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.Perf_File_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/06_14_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*'
```
<details>

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-eaa8224b-ce1e-4453-a344-68e0522dad7e504f2c24ff34fa796/90a289e4-0a7c-4e29-ba49-3c27a37cc110.zip?sv=2019-07-07&se=2022-07-08T01%3A53%3A11Z&sr=c&sp=rl&sig=hWyHVpL27ZUMX5TNny2E2lQbdWTE52LNXV8unpuVTbk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-a6e28379-a707-46a8-824e-9e4c7e53c2784dd3b65010a455b9f/70236b62-c04c-433d-8630-6909974795ab.zip?sv=2019-07-07&se=2022-07-08T11%3A11%3A09Z&sr=c&sp=rl&sig=z%2BRfQLTZxmA1bzBLTh%2B9xSvP%2BK9owRz5mkotR%2FN4qII%3D>)
### Histogram

#### 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 27.74493009309595 < 29.31967355873113.
IsChangePoint: Marked as a change because one of 4/16/2022 5:36:25 PM, 6/8/2022 3:33:18 AM, 6/14/2022 8:14:23 AM falls between 6/5/2022 6:02:14 PM and 6/14/2022 8:14:23 AM.
IsImprovementStdDev: Marked as improvement because 70.15658300362523 (T) = (0 -27762.00036367639) / Math.Sqrt((220998.1390770169 / (299)) + (48427.392281225366 / (38))) is greater than 1.967070609662329 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (38) - 2, .975) and 0.1018467325991194 = (30910.092265227082 - 27762.00036367639) / 30910.092265227082 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>




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[Perf] Changes at 6/8/2022 5:26:44 AM #6065

Run Information

Improvements in System.IO.Tests.StreamReaderReadLineTests

Repro

Payloads

Histogram

System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [1025, 2048])

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

Payloads

Histogram

System.IO.Tests.Perf_File.ReadAllLinesAsync

Description of detection logic

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Architecture	x64
OS	ubuntu 18.04
Baseline	0e1b3bba7fb779c84e6d5d1027b37bd10126ba9f
Compare	2c110b6229e928c3f38062e9d8bc875804efc539
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ReadLineAsync - Duration of single invocation	28.01 μs	16.68 μs	0.60	0.03	False
ReadLineAsync - Duration of single invocation	33.13 μs	23.42 μs	0.71	0.03	False
ReadLineAsync - Duration of single invocation	26.26 μs	15.69 μs	0.60	0.02	False
ReadLineAsync - Duration of single invocation	26.67 μs	16.13 μs	0.60	0.02	False
ReadLineAsync - Duration of single invocation	58.69 μs	52.16 μs	0.89	0.07	False

[Perf] Changes at 6/8/2022 5:26:44 AM #6065

Description

Run Information

Improvements in System.IO.Tests.StreamReaderReadLineTests

Repro

Payloads

Histogram

System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [1025, 2048])

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

Payloads

Histogram

System.IO.Tests.Perf_File.ReadAllLinesAsync

Description of detection logic

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions