[Perf] Changes at 4/27/2022 1:24:17 PM

### Run Information

Architecture | x64
-- | --
OS | ubuntu 18.04
Baseline | [4ed596ef63e60ce54cfb41d55928f0fe45f65cf3](https://github.com/dotnet/runtime/commit/4ed596ef63e60ce54cfb41d55928f0fe45f65cf3)
Compare | [8f7761af3763d0b84acefbb117ed6becd83061d1](https://github.com/dotnet/runtime/commit/8f7761af3763d0b84acefbb117ed6becd83061d1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4ed596ef63e60ce54cfb41d55928f0fe45f65cf3...8f7761af3763d0b84acefbb117ed6becd83061d1)


### Improvements in System.IO.Tests.Perf_Directory

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[MoveFiles - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_Directory.MoveFiles.html>) | 5.70 μs | 4.42 μs | 0.77 | 0.10 | True | | |
[MoveFolders - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_Directory.MoveFolders.html>) | 6.14 μs | 4.89 μs | 0.80 | 0.14 | True | | |
[CreateDirectory - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_Directory.CreateDirectory.html>) | 11.41 μs | 8.24 μs | 0.72 | 0.57 | False | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_03_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.Perf_Directory.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_Directory*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-5243ee38-f218-4b16-a85b-7d868bda99ce402ebc47156466084/e3d3f1b9-507e-40b6-b96f-20afc8340966.zip?sv=2019-07-07&se=2022-05-27T08%3A37%3A13Z&sr=c&sp=rl&sig=WXK8LmzYEYldBhIJi1lkRG9MBznv%2Bux0dVQeamIoKEA%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-977d6164-9247-45af-956d-9feb2cb04e53477edcf48b44796b7/aff256ae-21e3-4819-a375-ba5d27b125a7.zip?sv=2019-07-07&se=2022-05-27T17%3A27%3A19Z&sr=c&sp=rl&sig=jYO4NV6D918HFfons79drDNATeMCCvzEtVum7o0d3cU%3D>)
### Histogram

#### System.IO.Tests.Perf_Directory.MoveFiles

```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 4.4185550903755875 < 5.467492187621759.
IsChangePoint: Marked as a change because one of 4/27/2022 8:46:50 AM, 5/3/2022 11:42:39 AM falls between 4/24/2022 10:52:31 PM and 5/3/2022 11:42:39 AM.
IsImprovementStdDev: Marked as improvement because 117.01873939237643 (T) = (0 -4417.738489937121) / Math.Sqrt((25438.311840417526 / (299)) + (1862.0187430100975 / (29))) is greater than 1.9672675222597202 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (29) - 2, .975) and 0.24450843993799198 = (5847.502107865413 - 4417.738489937121) / 5847.502107865413 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```#### System.IO.Tests.Perf_Directory.MoveFolders

```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 4.890694739393867 < 5.953107009629486.
IsChangePoint: Marked as a change because one of 4/27/2022 8:46:50 AM, 5/3/2022 11:42:39 AM falls between 4/24/2022 10:52:31 PM and 5/3/2022 11:42:39 AM.
IsImprovementStdDev: Marked as improvement because 86.45210562123398 (T) = (0 -4886.701382803054) / Math.Sqrt((37266.99475407966 / (299)) + (4385.781407227276 / (29))) is greater than 1.9672675222597202 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (29) - 2, .975) and 0.22710818331773497 = (6322.620161486289 - 4886.701382803054) / 6322.620161486289 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```#### System.IO.Tests.Perf_Directory.CreateDirectory

```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 8.242894444444442 < 10.207402403846153.
IsChangePoint: Marked as a change because one of 4/27/2022 8:46:50 AM, 5/3/2022 11:42:39 AM falls between 4/24/2022 10:52:31 PM and 5/3/2022 11:42:39 AM.
IsImprovementStdDev: Marked as improvement because 12.246814175630353 (T) = (0 -8650.472031227495) / Math.Sqrt((797076.3024468683 / (299)) + (839245.9759992415 / (29))) is greater than 1.9672675222597202 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (29) - 2, .975) and 0.2010792077788703 = (10827.69670717641 - 8650.472031227495) / 10827.69670717641 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 | [4ed596ef63e60ce54cfb41d55928f0fe45f65cf3](https://github.com/dotnet/runtime/commit/4ed596ef63e60ce54cfb41d55928f0fe45f65cf3)
Compare | [8f7761af3763d0b84acefbb117ed6becd83061d1](https://github.com/dotnet/runtime/commit/8f7761af3763d0b84acefbb117ed6becd83061d1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4ed596ef63e60ce54cfb41d55928f0fe45f65cf3...8f7761af3763d0b84acefbb117ed6becd83061d1)


### Improvements in System.IO.Tests.Perf_FileStream

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[Flush - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_FileStream.Flush(fileSize%3a%201024%2c%20options%3a%20Asynchronous).html>) | 1.23 ms | 1.10 ms | 0.89 | 0.04 | True | | |
[Append - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_FileStream.Append(fileSize%3a%201048576%2c%20userBufferSize%3a%204096%2c%20options%3a%20DeleteOnClose).html>) | 538.64 μs | 473.36 μs | 0.88 | 0.03 | True | | |
[CopyToFileAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_FileStream.CopyToFileAsync(fileSize%3a%201024%2c%20options%3a%20Asynchronous).html>) | 49.28 μs | 45.53 μs | 0.92 | 0.29 | False | | |
[AppendAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_FileStream.AppendAsync(fileSize%3a%201048576%2c%20userBufferSize%3a%204096%2c%20options%3a%20DeleteOnClose%2c%20Asynchronous).html>) | 730.02 μs | 687.91 μs | 0.94 | 0.05 | False | | |
[CopyToFile - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_FileStream.CopyToFile(fileSize%3a%201024%2c%20options%3a%20None).html>) | 50.00 μs | 42.24 μs | 0.84 | 0.27 | False | | |
[Flush - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04/System.IO.Tests.Perf_FileStream.Flush(fileSize%3a%201024%2c%20options%3a%20None).html>) | 1.27 ms | 1.07 ms | 0.84 | 0.06 | True | | |

[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/05_03_2022/refs/heads/main_x64_ubuntu%2018.04_Improvement/System.IO.Tests.Perf_FileStream.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_FileStream*'
```
<details>

### Payloads

[Baseline](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-5243ee38-f218-4b16-a85b-7d868bda99ce402ebc47156466084/e3d3f1b9-507e-40b6-b96f-20afc8340966.zip?sv=2019-07-07&se=2022-05-27T08%3A37%3A13Z&sr=c&sp=rl&sig=WXK8LmzYEYldBhIJi1lkRG9MBznv%2Bux0dVQeamIoKEA%3D>)
[Compare](<https://helixdi8s23ayyeko0k025g8.blob.core.windows.net/helix-job-977d6164-9247-45af-956d-9feb2cb04e53477edcf48b44796b7/aff256ae-21e3-4819-a375-ba5d27b125a7.zip?sv=2019-07-07&se=2022-05-27T17%3A27%3A19Z&sr=c&sp=rl&sig=jYO4NV6D918HFfons79drDNATeMCCvzEtVum7o0d3cU%3D>)
### Histogram

#### System.IO.Tests.Perf_FileStream.Flush(fileSize: 1024, options: Asynchronous)

```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 1.0990216477777779 < 1.1973076193194827.
IsChangePoint: Marked as a change because one of 4/27/2022 8:46:50 AM, 5/3/2022 11:42:39 AM falls between 4/24/2022 10:52:31 PM and 5/3/2022 11:42:39 AM.
IsImprovementStdDev: Marked as improvement because 59.83160895000431 (T) = (0 -1075006.0894222439) / Math.Sqrt((697036027.2839366 / (299)) + (208224463.95673162 / (29))) is greater than 1.9672675222597202 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (29) - 2, .975) and 0.146502125168872 = (1259529.8958828025 - 1075006.0894222439) / 1259529.8958828025 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```#### System.IO.Tests.Perf_FileStream.Append(fileSize: 1048576, userBufferSize: 4096, options: DeleteOnClose)

```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 473.36038027597397 < 510.70355554712296.
IsChangePoint: Marked as a change because one of 4/27/2022 8:46:50 AM, 5/3/2022 11:42:39 AM falls between 4/24/2022 10:52:31 PM and 5/3/2022 11:42:39 AM.
IsImprovementStdDev: Marked as improvement because 58.789893925475816 (T) = (0 -477465.5580478142) / Math.Sqrt((77474645.07914257 / (299)) + (25994097.834462553 / (29))) is greater than 1.9672675222597202 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (29) - 2, .975) and 0.11688421612541862 = (540660.2019420174 - 477465.5580478142) / 540660.2019420174 is greater than 0.05.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

```#### System.IO.Tests.Perf_FileStream.CopyToFileAsync(fileSize: 1024, options: Asynchronous)

```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 45.53249890302359 < 46.74375025878481.
IsChangePoint: Marked as a change because one of 2/22/2022 11:58:49 AM, 4/27/2022 8:46:50 AM, 5/3/2022 11:42:39 AM falls between 4/24/2022 10:52:31 PM and 5/3/2022 11:42:39 AM.
IsImprovementStdDev: Marked as improvement because 15.836090995791952 (T) = (0 -45829.729166030884) / Math.Sqrt((3129490.9112991476 / (299)) + (2056848.8561467647 / (29))) is greater than 1.9672675222597202 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (29) - 2, .975) and 0.08973471072629302 = (50347.6620564078 - 45829.729166030884) / 50347.6620564078 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.Perf_FileStream.AppendAsync(fileSize: 1048576, userBufferSize: 4096, options: DeleteOnClose, Asynchronous)

```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 687.9061707932693 < 693.6354376693272.
IsChangePoint: Marked as a change because one of 4/27/2022 1:24:17 PM, 5/3/2022 11:42:39 AM falls between 4/24/2022 10:52:31 PM and 5/3/2022 11:42:39 AM.
IsImprovementStdDev: Marked as improvement because 29.691150553047652 (T) = (0 -678407.3841114759) / Math.Sqrt((196449261.6437951 / (299)) + (73014096.84728503 / (28))) is greater than 1.967290077109849 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (28) - 2, .975) and 0.07328297071418956 = (732054.5135922468 - 678407.3841114759) / 732054.5135922468 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.Perf_FileStream.CopyToFile(fileSize: 1024, options: None)

```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 42.23988053857908 < 44.000917771832576.
IsChangePoint: Marked as a change because one of 4/27/2022 8:46:50 AM, 5/3/2022 11:42:39 AM falls between 4/24/2022 10:52:31 PM and 5/3/2022 11:42:39 AM.
IsImprovementStdDev: Marked as improvement because 22.939540412838845 (T) = (0 -42836.880922990036) / Math.Sqrt((2345126.401983269 / (299)) + (995387.7208753789 / (28))) is greater than 1.967290077109849 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (28) - 2, .975) and 0.10035662820200734 = (47615.402131377785 - 42836.880922990036) / 47615.402131377785 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```#### System.IO.Tests.Perf_FileStream.Flush(fileSize: 1024, options: None)

```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 1.073259187777778 < 1.191910836900359.
IsChangePoint: Marked as a change because one of 4/27/2022 8:46:50 AM, 5/3/2022 11:42:39 AM falls between 4/24/2022 10:52:31 PM and 5/3/2022 11:42:39 AM.
IsImprovementStdDev: Marked as improvement because 48.30122036664176 (T) = (0 -1070444.2084974018) / Math.Sqrt((719359077.4433931 / (299)) + (356896550.9793714 / (29))) is greater than 1.9672675222597202 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (29) - 2, .975) and 0.1475411320556531 = (1255713.617102387 - 1070444.2084974018) / 1255713.617102387 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>




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[Perf] Changes at 4/27/2022 1:24:17 PM #5094

Run Information

Improvements in System.IO.Tests.Perf_Directory

Repro

Payloads

Histogram

System.IO.Tests.Perf_Directory.MoveFiles

Description of detection logic

Description of detection logic

Description of detection logic

Docs

Improvements in System.IO.Tests.Perf_FileStream

Repro

Payloads

Histogram

System.IO.Tests.Perf_FileStream.Flush(fileSize: 1024, options: Asynchronous)

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

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Architecture	x64
OS	ubuntu 18.04
Baseline	4ed596ef63e60ce54cfb41d55928f0fe45f65cf3
Compare	8f7761af3763d0b84acefbb117ed6becd83061d1
Diff	Diff

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
MoveFiles - Duration of single invocation	5.70 μs	4.42 μs	0.77	0.10	True
MoveFolders - Duration of single invocation	6.14 μs	4.89 μs	0.80	0.14	True
CreateDirectory - Duration of single invocation	11.41 μs	8.24 μs	0.72	0.57	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Flush - Duration of single invocation	1.23 ms	1.10 ms	0.89	0.04	True
Append - Duration of single invocation	538.64 μs	473.36 μs	0.88	0.03	True
CopyToFileAsync - Duration of single invocation	49.28 μs	45.53 μs	0.92	0.29	False
AppendAsync - Duration of single invocation	730.02 μs	687.91 μs	0.94	0.05	False
CopyToFile - Duration of single invocation	50.00 μs	42.24 μs	0.84	0.27	False
Flush - Duration of single invocation	1.27 ms	1.07 ms	0.84	0.06	True

[Perf] Changes at 4/27/2022 1:24:17 PM #5094

Description

Run Information

Improvements in System.IO.Tests.Perf_Directory

Repro

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System.IO.Tests.Perf_Directory.MoveFiles

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System.IO.Tests.Perf_FileStream.Flush(fileSize: 1024, options: Asynchronous)

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

Description of detection logic

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