[Perf] Linux/x64: 20 Improvements on 8/18/2024 5:03:53 PM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [bb1b43a6a155eaeb45953a3c87f6e04b12979778](https://github.com/dotnet/runtime/commit/bb1b43a6a155eaeb45953a3c87f6e04b12979778)
Compare | [d3da7a2c823245534e557f97013136d06a98e731](https://github.com/dotnet/runtime/commit/d3da7a2c823245534e557f97013136d06a98e731)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bb1b43a6a155eaeb45953a3c87f6e04b12979778...d3da7a2c823245534e557f97013136d06a98e731)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:false, RunKind:micro_mono


### Improvements in System.IO.Tests.Perf_File

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[AppendAllTextAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_File.AppendAllTextAsync(size%3a%20100).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.File.cs#L235-#L248>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACpVUXW/TMBR9R+I/+C0JZG3WrtNUKYhsbFBoWekiXhCq3OS2MfJHdO1syYT47dhpVdZOmsJLZJ+cc+61c09mQHWFIEAa/eo3eSgAgVxWjOcLKBWJY+LlykgwfaykYQK8Q9YlUpkVLQ9hrfsF0Fz3BWXyiJhgVjADmbHVCJPE9+rzMy8kHkVhF8GenYI2X6kA5/neu2u0AdGb3PYcrntzwPXyhnHoJWUJMk84T6E2iW5k5mv2CGNyGkXBv+KLSl4puWabCqlhSuof3pUSJePtbqZy8H6S+A/xDLP03Hv9knI6/T7b0deUa3iZPVNSJbfp/wkm0gCWCPbZXWihL0zmO4FgGaqlsGZPVEyDKE3jP1MnygQdaBOlp/xetN+yC/+zvpYbJqELd75RaVN2oxaNZhnlc1RCOaSr8FOzQpZ/5GpFOXtssS6yxWDRtcJ1XQLahMh2fA8H+krZ9ACmqtytDsORWtmdoaIk70hODbig+YNocHYSnZ8MojS6GA+j8XDUG4yi0UV0+jaKxnbKrYmuhKBo555Q3CwFrf3W0HUQkjcBWTVHFcJ9wEI3Sd8qqMD6lKh+2XA+Iy9AV9zEaLvO/Scn2eLJPSDdWKdhEJLWyhnHN8hsNHmzR9xltRvXMtp3gMSdMSsoGvLATEF8bS8PdLzXhKTOFK+EjI97ara4jrdNWKJhhkPsfbBXZ38pzW7rJMSXOnCYLjkzMa1BB38BF1zXWvQEAAA=>)</li></ul> | 14.34 μs | 12.59 μs | 0.88 | 0.23 | False | | |
|<ul><li>[AppendAllText - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_File.AppendAllText(size%3a%20100).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.File.cs#L202-#L214>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 10.03 μs | 9.02 μs | 0.90 | 0.24 | False | | |
|<ul><li>[CopyTo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_File.CopyTo(size%3a%201048576).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.File.cs#L258-#L267>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 617.10 μs | 475.75 μs | 0.77 | 0.00 | True | | |
|<ul><li>[CopyTo - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_File.CopyTo(size%3a%20104857600).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.File.cs#L258-#L267>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 67.49 ms | 53.47 ms | 0.79 | 0.01 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_File_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_File_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_File_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_File_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_File.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

<details>
   <summary>Repro Steps</summary>


#### Prerequisites (Build files either built locally or downloaded from payload above)
- Libraries build extracted to `runtime/artifacts` or build instructions: [Libraries README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/libraries/README.md) args: `-subset libs+libs.tests -rc release -configuration Release -arch $RunArch -framework net8.0`
- CoreCLR product build extracted to `runtime/artifacts/bin/coreclr/$RunOS.$RunArch.Release`, build instructions: [CoreCLR README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/coreclr/README.md) args: `-subset clr+libs -rc release -configuration Release -arch $RunArch -framework net8.0`
- Mono Runtime build extracted to `runtime/artifacts/bin/mono/$RunOS.$RunArch.Release`, build instructions: [MONO README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/mono/README.md) args: `-arch $RunArch -os $RunOS -s mono+libs+host+packs -c Release `
- Dotnet SDK installed for dotnet commands
- Running commands from the runtime folder

Linux
```cmd
# Set $RunDir to the runtime directory
RunDir=`pwd`

# Set the OS, arch, and OSId
RunOS='linux'
RunOSId='linux'
RunArch='x64'

# Create mono dotnet
mkdir -p $RunDir/artifacts/dotnet-mono
$RunDir/build.sh -subset libs.pretest -configuration release -ci -arch $RunArch -testscope innerloop /p:RuntimeArtifactsPath=$RunDir/artifacts/bin/mono/$RunOS.$RunArch.Release /p:RuntimeFlavor=mono
cp $RunDir/artifacts/bin/runtime/net8.0-$RunOS-Release-$RunArch/* $RunDir/artifacts/bin/testhost/net8.0-$RunOS-Release-$RunArch/shared/Microsoft.NETCore.App/8.0.0 -rf
cp $RunDir/artifacts/bin/testhost/net8.0-$RunOS-Release-$RunArch/* $RunDir/artifacts/dotnet-mono -r
cp $RunDir/artifacts/bin/coreclr/$RunOS.$RunArch.Release/corerun $RunDir/artifacts/dotnet-mono/shared/Microsoft.NETCore.App/8.0.0/corerun

# Create Core Root
$RunDir/src/tests/build.sh release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance 
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir/performance

# One line run:
python3 $RunDir/performance/scripts/benchmarks_ci.py --csproj $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.IO.Tests.Perf_File*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir/artifacts/dotnet-mono/shared/Microsoft.NETCore.App/8.0.0/corerun" 

# Individual Commands:
# Restore 
dotnet restore $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --packages $RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter 'System.IO.Tests.Perf_File*' --anyCategories Libraries Runtime " --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir/artifacts/dotnet-mono/shared/Microsoft.NETCore.App/8.0.0/corerun --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages
```

Windows
```cmd
# Set $RunDir to the runtime directory
$RunDir="FullPathHere"

# Set the OS, arch, and OSId
RunOS='windows'
RunOSId='win'
RunArch='x64'

# Create mono dotnet
mkdir -p $RunDir/artifacts/dotnet-mono
$RunDir/build.sh -subset libs.pretest -configuration release -ci -arch $RunArch -testscope innerloop /p:RuntimeArtifactsPath=$RunDir\artifacts\bin\mono\$RunOS.$RunArch.Release /p:RuntimeFlavor=mono
xcopy $RunDir\artifacts\bin\runtime\net8.0-$RunOS-Release-$RunArch\ $RunDir\artifacts\bin\testhost\net8.0-$RunOS-Release-$RunArch\shared\Microsoft.NETCore.App\8.0.0\ /e /y
xcopy $RunDir\artifacts\bin\testhost\net8.0-$RunOS-Release-$RunArch\ $RunDir\artifacts\dotnet-mono\ /e /y
xcopy $RunDir\artifacts\bin\coreclr\$RunOS.$RunArch.Release\corerun $RunDir\artifacts\dotnet-mono\shared\Microsoft.NETCore.App\8.0.0\corerun /y

# Create Core Root
$RunDir\src\tests\build.cmd release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance 
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir\performance

# One line run:
python3 $RunDir\performance\scripts\benchmarks_ci.py --csproj $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.IO.Tests.Perf_File*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir\artifacts\dotnet-mono\shared\Microsoft.NETCore.App\8.0.0\corerun.exe" 

# Individual Commands:
# Restore 
dotnet restore $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --packages $RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter 'System.IO.Tests.Perf_File*' --anyCategories Libraries Runtime " --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir\artifacts\dotnet-mono\shared\Microsoft.NETCore.App\8.0.0\corerun.exe --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages
```

</details>

<details>

### System.IO.Tests.Perf_File.AppendAllTextAsync(size: 100)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_File.AppendAllText(size: 100)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_File.CopyTo(size: 1048576)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_File.CopyTo(size: 104857600)

#### ETL Files

#### Histogram

#### JIT Disasms



### 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

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [bb1b43a6a155eaeb45953a3c87f6e04b12979778](https://github.com/dotnet/runtime/commit/bb1b43a6a155eaeb45953a3c87f6e04b12979778)
Compare | [d3da7a2c823245534e557f97013136d06a98e731](https://github.com/dotnet/runtime/commit/d3da7a2c823245534e557f97013136d06a98e731)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bb1b43a6a155eaeb45953a3c87f6e04b12979778...d3da7a2c823245534e557f97013136d06a98e731)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:false, RunKind:micro_mono


### Improvements in System.IO.Tests.Perf_FileStream

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Flush - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.Flush(fileSize%3a%201024%2c%20options%3a%20None).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.FileStream.cs#L396-#L410>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.61 ms | 1.10 ms | 0.68 | 0.37 | False | | |
|<ul><li>[AppendAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.AppendAsync(fileSize%3a%201048576%2c%20userBufferSize%3a%204096%2c%20options%3a%20DeleteOnClose%2c%20Asynchronous).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.FileStream.cs#L320-#L324>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.16 ms | 964.67 μs | 0.83 | 0.27 | False | | |
|<ul><li>[Append - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.Append(fileSize%3a%201048576%2c%20userBufferSize%3a%204096%2c%20options%3a%20DeleteOnClose).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.FileStream.cs#L235-#L238>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 778.69 μs | 658.81 μs | 0.85 | 0.24 | False | | |
|<ul><li>[CopyToFileAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.CopyToFileAsync(fileSize%3a%201048576%2c%20options%3a%20None).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.FileStream.cs#L442-#L457>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.58 ms | 5.45 ms | 0.83 | 0.26 | False | | |
|<ul><li>[FlushAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.FlushAsync(fileSize%3a%201024%2c%20options%3a%20Asynchronous).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.FileStream.cs#L412-#L427>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.14 ms | 2.62 ms | 0.83 | 0.53 | False | | |
|<ul><li>[Write_NoBuffering_PreallocationSize - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.Write_NoBuffering_PreallocationSize(fileSize%3a%20104857600%2c%20userBufferSize%3a%2016384%2c%20options%3a%20None).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 60.89 ms | 47.79 ms | 0.78 | 0.09 | True | | |
|<ul><li>[WriteAsync_NoBuffering_PreallocationSize - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.WriteAsync_NoBuffering_PreallocationSize(fileSize%3a%20104857600%2c%20userBufferSize%3a%2016384%2c%20options%3a%20Asynchronous).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 68.38 ms | 52.44 ms | 0.77 | 0.06 | True | | |
|<ul><li>[Flush - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.Flush(fileSize%3a%201024%2c%20options%3a%20Asynchronous).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.FileStream.cs#L396-#L410>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.66 ms | 1.09 ms | 0.66 | 0.34 | False | | |
|<ul><li>[CopyToFileAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.CopyToFileAsync(fileSize%3a%201048576%2c%20options%3a%20Asynchronous).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.FileStream.cs#L442-#L457>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 6.37 ms | 5.28 ms | 0.83 | 0.30 | False | | |
|<ul><li>[WriteAsync_NoBuffering_PreallocationSize - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.WriteAsync_NoBuffering_PreallocationSize(fileSize%3a%201048576%2c%20userBufferSize%3a%2016384%2c%20options%3a%20Asynchronous).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 755.73 μs | 603.13 μs | 0.80 | 0.07 | False | | |
|<ul><li>[Write_NoBuffering_PreallocationSize - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.Write_NoBuffering_PreallocationSize(fileSize%3a%201048576%2c%20userBufferSize%3a%2016384%2c%20options%3a%20None).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 603.97 μs | 478.32 μs | 0.79 | 0.02 | True | | |
|<ul><li>[Write_NoBuffering - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.Write_NoBuffering(fileSize%3a%20104857600%2c%20userBufferSize%3a%2016384%2c%20options%3a%20Asynchronous).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.FileStream.cs#L230-#L233>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 283.16 ms | 266.12 ms | 0.94 | 0.10 | False | | |
|<ul><li>[FlushAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.FlushAsync(fileSize%3a%201024%2c%20options%3a%20None).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.FileStream.cs#L412-#L427>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.17 ms | 2.15 ms | 0.68 | 0.49 | False | | |
|<ul><li>[CopyToFile - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_FileStream.CopyToFile(fileSize%3a%20104857600%2c%20options%3a%20None).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.FileStream.cs#L429-#L440>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 291.89 ms | 262.31 ms | 0.90 | 0.09 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_6.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_7.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_8.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_9.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_10.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_11.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_12.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_13.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream_14.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_FileStream.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

<details>
   <summary>Repro Steps</summary>


#### Prerequisites (Build files either built locally or downloaded from payload above)
- Libraries build extracted to `runtime/artifacts` or build instructions: [Libraries README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/libraries/README.md) args: `-subset libs+libs.tests -rc release -configuration Release -arch $RunArch -framework net8.0`
- CoreCLR product build extracted to `runtime/artifacts/bin/coreclr/$RunOS.$RunArch.Release`, build instructions: [CoreCLR README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/coreclr/README.md) args: `-subset clr+libs -rc release -configuration Release -arch $RunArch -framework net8.0`
- Mono Runtime build extracted to `runtime/artifacts/bin/mono/$RunOS.$RunArch.Release`, build instructions: [MONO README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/mono/README.md) args: `-arch $RunArch -os $RunOS -s mono+libs+host+packs -c Release `
- Dotnet SDK installed for dotnet commands
- Running commands from the runtime folder

Linux
```cmd
# Set $RunDir to the runtime directory
RunDir=`pwd`

# Set the OS, arch, and OSId
RunOS='linux'
RunOSId='linux'
RunArch='x64'

# Create mono dotnet
mkdir -p $RunDir/artifacts/dotnet-mono
$RunDir/build.sh -subset libs.pretest -configuration release -ci -arch $RunArch -testscope innerloop /p:RuntimeArtifactsPath=$RunDir/artifacts/bin/mono/$RunOS.$RunArch.Release /p:RuntimeFlavor=mono
cp $RunDir/artifacts/bin/runtime/net8.0-$RunOS-Release-$RunArch/* $RunDir/artifacts/bin/testhost/net8.0-$RunOS-Release-$RunArch/shared/Microsoft.NETCore.App/8.0.0 -rf
cp $RunDir/artifacts/bin/testhost/net8.0-$RunOS-Release-$RunArch/* $RunDir/artifacts/dotnet-mono -r
cp $RunDir/artifacts/bin/coreclr/$RunOS.$RunArch.Release/corerun $RunDir/artifacts/dotnet-mono/shared/Microsoft.NETCore.App/8.0.0/corerun

# Create Core Root
$RunDir/src/tests/build.sh release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance 
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir/performance

# One line run:
python3 $RunDir/performance/scripts/benchmarks_ci.py --csproj $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.IO.Tests.Perf_FileStream*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir/artifacts/dotnet-mono/shared/Microsoft.NETCore.App/8.0.0/corerun" 

# Individual Commands:
# Restore 
dotnet restore $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --packages $RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter 'System.IO.Tests.Perf_FileStream*' --anyCategories Libraries Runtime " --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir/artifacts/dotnet-mono/shared/Microsoft.NETCore.App/8.0.0/corerun --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages
```

Windows
```cmd
# Set $RunDir to the runtime directory
$RunDir="FullPathHere"

# Set the OS, arch, and OSId
RunOS='windows'
RunOSId='win'
RunArch='x64'

# Create mono dotnet
mkdir -p $RunDir/artifacts/dotnet-mono
$RunDir/build.sh -subset libs.pretest -configuration release -ci -arch $RunArch -testscope innerloop /p:RuntimeArtifactsPath=$RunDir\artifacts\bin\mono\$RunOS.$RunArch.Release /p:RuntimeFlavor=mono
xcopy $RunDir\artifacts\bin\runtime\net8.0-$RunOS-Release-$RunArch\ $RunDir\artifacts\bin\testhost\net8.0-$RunOS-Release-$RunArch\shared\Microsoft.NETCore.App\8.0.0\ /e /y
xcopy $RunDir\artifacts\bin\testhost\net8.0-$RunOS-Release-$RunArch\ $RunDir\artifacts\dotnet-mono\ /e /y
xcopy $RunDir\artifacts\bin\coreclr\$RunOS.$RunArch.Release\corerun $RunDir\artifacts\dotnet-mono\shared\Microsoft.NETCore.App\8.0.0\corerun /y

# Create Core Root
$RunDir\src\tests\build.cmd release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance 
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir\performance

# One line run:
python3 $RunDir\performance\scripts\benchmarks_ci.py --csproj $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.IO.Tests.Perf_FileStream*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir\artifacts\dotnet-mono\shared\Microsoft.NETCore.App\8.0.0\corerun.exe" 

# Individual Commands:
# Restore 
dotnet restore $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --packages $RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter 'System.IO.Tests.Perf_FileStream*' --anyCategories Libraries Runtime " --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir\artifacts\dotnet-mono\shared\Microsoft.NETCore.App\8.0.0\corerun.exe --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages
```

</details>

<details>

### System.IO.Tests.Perf_FileStream.Flush(fileSize: 1024, options: None)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.AppendAsync(fileSize: 1048576, userBufferSize: 4096, options: DeleteOnClose, Asynchronous)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.Append(fileSize: 1048576, userBufferSize: 4096, options: DeleteOnClose)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.CopyToFileAsync(fileSize: 1048576, options: None)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.FlushAsync(fileSize: 1024, options: Asynchronous)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.Write_NoBuffering_PreallocationSize(fileSize: 104857600, userBufferSize: 16384, options: None)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.WriteAsync_NoBuffering_PreallocationSize(fileSize: 104857600, userBufferSize: 16384, options: Asynchronous)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.Flush(fileSize: 1024, options: Asynchronous)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.CopyToFileAsync(fileSize: 1048576, options: Asynchronous)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.WriteAsync_NoBuffering_PreallocationSize(fileSize: 1048576, userBufferSize: 16384, options: Asynchronous)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.Write_NoBuffering_PreallocationSize(fileSize: 1048576, userBufferSize: 16384, options: None)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.Write_NoBuffering(fileSize: 104857600, userBufferSize: 16384, options: Asynchronous)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.FlushAsync(fileSize: 1024, options: None)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.Perf_FileStream.CopyToFile(fileSize: 104857600, options: None)

#### ETL Files

#### Histogram

#### JIT Disasms



### 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

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [bb1b43a6a155eaeb45953a3c87f6e04b12979778](https://github.com/dotnet/runtime/commit/bb1b43a6a155eaeb45953a3c87f6e04b12979778)
Compare | [d3da7a2c823245534e557f97013136d06a98e731](https://github.com/dotnet/runtime/commit/d3da7a2c823245534e557f97013136d06a98e731)
Diff | [Diff](https://github.com/dotnet/runtime/compare/bb1b43a6a155eaeb45953a3c87f6e04b12979778...d3da7a2c823245534e557f97013136d06a98e731)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:false, RunKind:micro_mono


### Improvements in System.IO.Tests.Perf_RandomAccess

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[WriteGatherAsync - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=false_MonoAOT=false_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.Perf_RandomAccess.WriteGatherAsync(fileSize%3a%20104857600%2c%20buffersSize%3a%2065536%2c%20options%3a%20None).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO.FileSystem/Perf.RandomAccess.cs#L213-#L230>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 294.85 ms | 274.35 ms | 0.93 | 0.15 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_RandomAccess_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/08_20_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.IO.Tests.Perf_RandomAccess.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

<details>
   <summary>Repro Steps</summary>


#### Prerequisites (Build files either built locally or downloaded from payload above)
- Libraries build extracted to `runtime/artifacts` or build instructions: [Libraries README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/libraries/README.md) args: `-subset libs+libs.tests -rc release -configuration Release -arch $RunArch -framework net8.0`
- CoreCLR product build extracted to `runtime/artifacts/bin/coreclr/$RunOS.$RunArch.Release`, build instructions: [CoreCLR README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/coreclr/README.md) args: `-subset clr+libs -rc release -configuration Release -arch $RunArch -framework net8.0`
- Mono Runtime build extracted to `runtime/artifacts/bin/mono/$RunOS.$RunArch.Release`, build instructions: [MONO README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/mono/README.md) args: `-arch $RunArch -os $RunOS -s mono+libs+host+packs -c Release `
- Dotnet SDK installed for dotnet commands
- Running commands from the runtime folder

Linux
```cmd
# Set $RunDir to the runtime directory
RunDir=`pwd`

# Set the OS, arch, and OSId
RunOS='linux'
RunOSId='linux'
RunArch='x64'

# Create mono dotnet
mkdir -p $RunDir/artifacts/dotnet-mono
$RunDir/build.sh -subset libs.pretest -configuration release -ci -arch $RunArch -testscope innerloop /p:RuntimeArtifactsPath=$RunDir/artifacts/bin/mono/$RunOS.$RunArch.Release /p:RuntimeFlavor=mono
cp $RunDir/artifacts/bin/runtime/net8.0-$RunOS-Release-$RunArch/* $RunDir/artifacts/bin/testhost/net8.0-$RunOS-Release-$RunArch/shared/Microsoft.NETCore.App/8.0.0 -rf
cp $RunDir/artifacts/bin/testhost/net8.0-$RunOS-Release-$RunArch/* $RunDir/artifacts/dotnet-mono -r
cp $RunDir/artifacts/bin/coreclr/$RunOS.$RunArch.Release/corerun $RunDir/artifacts/dotnet-mono/shared/Microsoft.NETCore.App/8.0.0/corerun

# Create Core Root
$RunDir/src/tests/build.sh release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance 
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir/performance

# One line run:
python3 $RunDir/performance/scripts/benchmarks_ci.py --csproj $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.IO.Tests.Perf_RandomAccess*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir/artifacts/dotnet-mono/shared/Microsoft.NETCore.App/8.0.0/corerun" 

# Individual Commands:
# Restore 
dotnet restore $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --packages $RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter 'System.IO.Tests.Perf_RandomAccess*' --anyCategories Libraries Runtime " --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir/artifacts/dotnet-mono/shared/Microsoft.NETCore.App/8.0.0/corerun --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages
```

Windows
```cmd
# Set $RunDir to the runtime directory
$RunDir="FullPathHere"

# Set the OS, arch, and OSId
RunOS='windows'
RunOSId='win'
RunArch='x64'

# Create mono dotnet
mkdir -p $RunDir/artifacts/dotnet-mono
$RunDir/build.sh -subset libs.pretest -configuration release -ci -arch $RunArch -testscope innerloop /p:RuntimeArtifactsPath=$RunDir\artifacts\bin\mono\$RunOS.$RunArch.Release /p:RuntimeFlavor=mono
xcopy $RunDir\artifacts\bin\runtime\net8.0-$RunOS-Release-$RunArch\ $RunDir\artifacts\bin\testhost\net8.0-$RunOS-Release-$RunArch\shared\Microsoft.NETCore.App\8.0.0\ /e /y
xcopy $RunDir\artifacts\bin\testhost\net8.0-$RunOS-Release-$RunArch\ $RunDir\artifacts\dotnet-mono\ /e /y
xcopy $RunDir\artifacts\bin\coreclr\$RunOS.$RunArch.Release\corerun $RunDir\artifacts\dotnet-mono\shared\Microsoft.NETCore.App\8.0.0\corerun /y

# Create Core Root
$RunDir\src\tests\build.cmd release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance 
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir\performance

# One line run:
python3 $RunDir\performance\scripts\benchmarks_ci.py --csproj $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.IO.Tests.Perf_RandomAccess*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir\artifacts\dotnet-mono\shared\Microsoft.NETCore.App\8.0.0\corerun.exe" 

# Individual Commands:
# Restore 
dotnet restore $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --packages $RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter 'System.IO.Tests.Perf_RandomAccess*' --anyCategories Libraries Runtime " --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir\artifacts\dotnet-mono\shared\Microsoft.NETCore.App\8.0.0\corerun.exe --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages
```

</details>

<details>

### System.IO.Tests.Perf_RandomAccess.WriteGatherAsync(fileSize: 104857600, buffersSize: 65536, options: None)

#### ETL Files

#### Histogram

#### JIT Disasms



### 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>

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	bb1b43a6a155eaeb45953a3c87f6e04b12979778
Compare	d3da7a2c823245534e557f97013136d06a98e731
Diff	Diff
Configs	CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:false, RunKind:micro_mono

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
AppendAllTextAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.34 μs	12.59 μs	0.88	0.23	False
AppendAllText - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.03 μs	9.02 μs	0.90	0.24	False
CopyTo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	617.10 μs	475.75 μs	0.77	0.00	True
CopyTo - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	67.49 ms	53.47 ms	0.79	0.01	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Flush - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.61 ms	1.10 ms	0.68	0.37	False
AppendAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.16 ms	964.67 μs	0.83	0.27	False
Append - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	778.69 μs	658.81 μs	0.85	0.24	False
CopyToFileAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.58 ms	5.45 ms	0.83	0.26	False
FlushAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.14 ms	2.62 ms	0.83	0.53	False
Write_NoBuffering_PreallocationSize - Duration of single invocation ADX - Test Multi Config Graph	60.89 ms	47.79 ms	0.78	0.09	True
WriteAsync_NoBuffering_PreallocationSize - Duration of single invocation ADX - Test Multi Config Graph	68.38 ms	52.44 ms	0.77	0.06	True
Flush - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.66 ms	1.09 ms	0.66	0.34	False
CopyToFileAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.37 ms	5.28 ms	0.83	0.30	False
WriteAsync_NoBuffering_PreallocationSize - Duration of single invocation ADX - Test Multi Config Graph	755.73 μs	603.13 μs	0.80	0.07	False
Write_NoBuffering_PreallocationSize - Duration of single invocation ADX - Test Multi Config Graph	603.97 μs	478.32 μs	0.79	0.02	True
Write_NoBuffering - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	283.16 ms	266.12 ms	0.94	0.10	False
FlushAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.17 ms	2.15 ms	0.68	0.49	False
CopyToFile - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	291.89 ms	262.31 ms	0.90	0.09	False

[Perf] Linux/x64: 20 Improvements on 8/18/2024 5:03:53 PM #40080

Description

Run Information

Improvements in System.IO.Tests.Perf_File

Repro

Prerequisites (Build files either built locally or downloaded from payload above)

System.IO.Tests.Perf_File.AppendAllTextAsync(size: 100)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_File.AppendAllText(size: 100)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_File.CopyTo(size: 1048576)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_File.CopyTo(size: 104857600)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Improvements in System.IO.Tests.Perf_FileStream

Repro

Prerequisites (Build files either built locally or downloaded from payload above)

System.IO.Tests.Perf_FileStream.Flush(fileSize: 1024, options: None)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.AppendAsync(fileSize: 1048576, userBufferSize: 4096, options: DeleteOnClose, Asynchronous)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.Append(fileSize: 1048576, userBufferSize: 4096, options: DeleteOnClose)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.CopyToFileAsync(fileSize: 1048576, options: None)

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.Write_NoBuffering_PreallocationSize(fileSize: 104857600, userBufferSize: 16384, options: None)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.WriteAsync_NoBuffering_PreallocationSize(fileSize: 104857600, userBufferSize: 16384, options: Asynchronous)

ETL Files

Histogram

JIT Disasms

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

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.CopyToFileAsync(fileSize: 1048576, options: Asynchronous)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.WriteAsync_NoBuffering_PreallocationSize(fileSize: 1048576, userBufferSize: 16384, options: Asynchronous)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.Write_NoBuffering_PreallocationSize(fileSize: 1048576, userBufferSize: 16384, options: None)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.Write_NoBuffering(fileSize: 104857600, userBufferSize: 16384, options: Asynchronous)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.FlushAsync(fileSize: 1024, options: None)

ETL Files

Histogram

JIT Disasms

System.IO.Tests.Perf_FileStream.CopyToFile(fileSize: 104857600, options: None)