[Perf] Linux/x64: 11 Regressions on 4/8/2024 6:26:42 PM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [230dc86e9d92fbf191bf3b45b3f1b656f83d4426](https://github.com/dotnet/runtime/commit/230dc86e9d92fbf191bf3b45b3f1b656f83d4426)
Compare | [f6f91998634961ec4df518ebe99d245ba34e7874](https://github.com/dotnet/runtime/commit/f6f91998634961ec4df518ebe99d245ba34e7874)
Diff | [Diff](https://github.com/dotnet/runtime/compare/230dc86e9d92fbf191bf3b45b3f1b656f83d4426...f6f91998634961ec4df518ebe99d245ba34e7874)
Configs | CompilationMode:tiered, LLVM:true, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono


### Regressions in Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Load - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=true_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks.Load(FileName%3a%20%22deep.xml%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/Microsoft.Extensions.Configuration.Xml/XmlConfigurationProviderBenchmarks.cs#L43-#L49>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 97.36 μs | 107.11 μs | 1.10 | 0.00 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks.html>)

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

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


#### Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))
- 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 $RunArch -framework net8.0`
- AOT MONO build extracted to `runtime/artifacts/bin/mono/$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 /p:CrossBuild=false /p:MonoLLVMUseCxx11Abi=false`
- 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 aot directory 
mkdir -p $RunDir/artifacts/bin/aot/sgen
mkdir -p $RunDir/artifacts/bin/aot/pack
cp -r $RunDir/artifacts/obj/mono/$RunOS.$RunArch.Release/mono/* $RunDir/artifacts/bin/aot/sgen
cp -r $RunDir/artifacts/bin/microsoft.netcore.app.runtime.$RunOS-$RunArch/Release/* $RunDir/artifacts/bin/aot/pack

# 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 'Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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 Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages --buildTimeout 1200
```

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

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

# Create aot directory
mkdir $RunDir\artifacts\bin\aot\sgen
mkdir $RunDir\artifacts\bin\aot\pack
xcopy $RunDir\artifacts\obj\mono\$RunOS.$RunArch.Release\mono $RunDir\artifacts\bin\aot\sgen\ /e /y
xcopy $RunDir\artifacts\bin\microsoft.netcore.app.runtime.$RunOSId-$RunArch\Release $RunDir\artifacts\bin\aot\pack\ /e /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 'Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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 Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack -aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages --buildTimeout 1200
```

</details>

<details>

### Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks.Load(FileName: "deep.xml")

#### 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 | [230dc86e9d92fbf191bf3b45b3f1b656f83d4426](https://github.com/dotnet/runtime/commit/230dc86e9d92fbf191bf3b45b3f1b656f83d4426)
Compare | [f6f91998634961ec4df518ebe99d245ba34e7874](https://github.com/dotnet/runtime/commit/f6f91998634961ec4df518ebe99d245ba34e7874)
Diff | [Diff](https://github.com/dotnet/runtime/compare/230dc86e9d92fbf191bf3b45b3f1b656f83d4426...f6f91998634961ec4df518ebe99d245ba34e7874)
Configs | CompilationMode:tiered, LLVM:true, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono


### Regressions in System.IO.Tests.StreamReaderReadToEndTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ReadToEnd - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=true_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange%3a%20%5b%20%20%209%2c%20%20%2032%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/StreamReaderReadToEndTests.cs#L30-#L37>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 100.72 ms | 117.47 ms | 1.17 | 0.00 | True | | |
|<ul><li>[ReadToEnd - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=true_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange%3a%20%5b%20129%2c%201024%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/StreamReaderReadToEndTests.cs#L30-#L37>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 100.10 ms | 116.87 ms | 1.17 | 0.00 | True | | |
|<ul><li>[ReadToEnd - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=true_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange%3a%20%5b1025%2c%202048%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/StreamReaderReadToEndTests.cs#L30-#L37>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 100.29 ms | 117.20 ms | 1.17 | 0.00 | True | | |
|<ul><li>[ReadToEnd - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=true_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange%3a%20%5b%20%20%201%2c%20%20%20%208%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/StreamReaderReadToEndTests.cs#L30-#L37>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 100.29 ms | 117.98 ms | 1.18 | 0.01 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.IO.Tests.StreamReaderReadToEndTests_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.IO.Tests.StreamReaderReadToEndTests_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.IO.Tests.StreamReaderReadToEndTests_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.IO.Tests.StreamReaderReadToEndTests_4.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.IO.Tests.StreamReaderReadToEndTests.html>)

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

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


#### Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))
- 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 $RunArch -framework net8.0`
- AOT MONO build extracted to `runtime/artifacts/bin/mono/$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 /p:CrossBuild=false /p:MonoLLVMUseCxx11Abi=false`
- 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 aot directory 
mkdir -p $RunDir/artifacts/bin/aot/sgen
mkdir -p $RunDir/artifacts/bin/aot/pack
cp -r $RunDir/artifacts/obj/mono/$RunOS.$RunArch.Release/mono/* $RunDir/artifacts/bin/aot/sgen
cp -r $RunDir/artifacts/bin/microsoft.netcore.app.runtime.$RunOS-$RunArch/Release/* $RunDir/artifacts/bin/aot/pack

# 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.StreamReaderReadToEndTests*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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.StreamReaderReadToEndTests* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages --buildTimeout 1200
```

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

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

# Create aot directory
mkdir $RunDir\artifacts\bin\aot\sgen
mkdir $RunDir\artifacts\bin\aot\pack
xcopy $RunDir\artifacts\obj\mono\$RunOS.$RunArch.Release\mono $RunDir\artifacts\bin\aot\sgen\ /e /y
xcopy $RunDir\artifacts\bin\microsoft.netcore.app.runtime.$RunOSId-$RunArch\Release $RunDir\artifacts\bin\aot\pack\ /e /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.StreamReaderReadToEndTests*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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.StreamReaderReadToEndTests* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack -aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages --buildTimeout 1200
```

</details>

<details>

### System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange: [   9,   32])

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange: [ 129, 1024])

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange: [1025, 2048])

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange: [   1,    8])

#### 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 | [230dc86e9d92fbf191bf3b45b3f1b656f83d4426](https://github.com/dotnet/runtime/commit/230dc86e9d92fbf191bf3b45b3f1b656f83d4426)
Compare | [f6f91998634961ec4df518ebe99d245ba34e7874](https://github.com/dotnet/runtime/commit/f6f91998634961ec4df518ebe99d245ba34e7874)
Diff | [Diff](https://github.com/dotnet/runtime/compare/230dc86e9d92fbf191bf3b45b3f1b656f83d4426...f6f91998634961ec4df518ebe99d245ba34e7874)
Configs | CompilationMode:tiered, LLVM:true, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono


### Regressions in System.Text.Tests.Perf_Encoding

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetChars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=true_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Text.Tests.Perf_Encoding.GetChars(size%3a%20512%2c%20encName%3a%20%22utf-8%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Encoding.cs#L41-#L43>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 263.04 ns | 434.51 ns | 1.65 | 0.02 | True | | |
|<ul><li>[GetString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=true_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Text.Tests.Perf_Encoding.GetString(size%3a%20512%2c%20encName%3a%20%22utf-8%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Encoding.cs#L37-#L39>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 265.36 ns | 436.08 ns | 1.64 | 0.05 | True | | |
|<ul><li>[GetChars - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=true_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Text.Tests.Perf_Encoding.GetChars(size%3a%2016%2c%20encName%3a%20%22ascii%22).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Encoding.cs#L41-#L43>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 39.79 ns | 44.77 ns | 1.12 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Text.Tests.Perf_Encoding_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Text.Tests.Perf_Encoding_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Text.Tests.Perf_Encoding_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Text.Tests.Perf_Encoding.html>)

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

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


#### Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))
- 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 $RunArch -framework net8.0`
- AOT MONO build extracted to `runtime/artifacts/bin/mono/$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 /p:CrossBuild=false /p:MonoLLVMUseCxx11Abi=false`
- 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 aot directory 
mkdir -p $RunDir/artifacts/bin/aot/sgen
mkdir -p $RunDir/artifacts/bin/aot/pack
cp -r $RunDir/artifacts/obj/mono/$RunOS.$RunArch.Release/mono/* $RunDir/artifacts/bin/aot/sgen
cp -r $RunDir/artifacts/bin/microsoft.netcore.app.runtime.$RunOS-$RunArch/Release/* $RunDir/artifacts/bin/aot/pack

# 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.Text.Tests.Perf_Encoding*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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.Text.Tests.Perf_Encoding* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages --buildTimeout 1200
```

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

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

# Create aot directory
mkdir $RunDir\artifacts\bin\aot\sgen
mkdir $RunDir\artifacts\bin\aot\pack
xcopy $RunDir\artifacts\obj\mono\$RunOS.$RunArch.Release\mono $RunDir\artifacts\bin\aot\sgen\ /e /y
xcopy $RunDir\artifacts\bin\microsoft.netcore.app.runtime.$RunOSId-$RunArch\Release $RunDir\artifacts\bin\aot\pack\ /e /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.Text.Tests.Perf_Encoding*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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.Text.Tests.Perf_Encoding* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack -aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages --buildTimeout 1200
```

</details>

<details>

### System.Text.Tests.Perf_Encoding.GetChars(size: 512, encName: "utf-8")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Tests.Perf_Encoding.GetString(size: 512, encName: "utf-8")

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Tests.Perf_Encoding.GetChars(size: 16, encName: "ascii")

#### 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 | [230dc86e9d92fbf191bf3b45b3f1b656f83d4426](https://github.com/dotnet/runtime/commit/230dc86e9d92fbf191bf3b45b3f1b656f83d4426)
Compare | [f6f91998634961ec4df518ebe99d245ba34e7874](https://github.com/dotnet/runtime/commit/f6f91998634961ec4df518ebe99d245ba34e7874)
Diff | [Diff](https://github.com/dotnet/runtime/compare/230dc86e9d92fbf191bf3b45b3f1b656f83d4426...f6f91998634961ec4df518ebe99d245ba34e7874)
Configs | CompilationMode:tiered, LLVM:true, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono


### Regressions in System.Text.Perf_Utf8Encoding

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[GetString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=true_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Text.Perf_Utf8Encoding.GetString(Input%3a%20EnglishAllAscii).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Text.Encoding/Perf.Utf8Encoding.cs#L33-#L34>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 184.08 μs | 236.51 μs | 1.28 | 0.02 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Text.Perf_Utf8Encoding_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Text.Perf_Utf8Encoding.html>)

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

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


#### Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))
- 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 $RunArch -framework net8.0`
- AOT MONO build extracted to `runtime/artifacts/bin/mono/$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 /p:CrossBuild=false /p:MonoLLVMUseCxx11Abi=false`
- 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 aot directory 
mkdir -p $RunDir/artifacts/bin/aot/sgen
mkdir -p $RunDir/artifacts/bin/aot/pack
cp -r $RunDir/artifacts/obj/mono/$RunOS.$RunArch.Release/mono/* $RunDir/artifacts/bin/aot/sgen
cp -r $RunDir/artifacts/bin/microsoft.netcore.app.runtime.$RunOS-$RunArch/Release/* $RunDir/artifacts/bin/aot/pack

# 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.Text.Perf_Utf8Encoding*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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.Text.Perf_Utf8Encoding* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages --buildTimeout 1200
```

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

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

# Create aot directory
mkdir $RunDir\artifacts\bin\aot\sgen
mkdir $RunDir\artifacts\bin\aot\pack
xcopy $RunDir\artifacts\obj\mono\$RunOS.$RunArch.Release\mono $RunDir\artifacts\bin\aot\sgen\ /e /y
xcopy $RunDir\artifacts\bin\microsoft.netcore.app.runtime.$RunOSId-$RunArch\Release $RunDir\artifacts\bin\aot\pack\ /e /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.Text.Perf_Utf8Encoding*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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.Text.Perf_Utf8Encoding* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack -aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages --buildTimeout 1200
```

</details>

<details>

### System.Text.Perf_Utf8Encoding.GetString(Input: EnglishAllAscii)

#### 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 | [230dc86e9d92fbf191bf3b45b3f1b656f83d4426](https://github.com/dotnet/runtime/commit/230dc86e9d92fbf191bf3b45b3f1b656f83d4426)
Compare | [f6f91998634961ec4df518ebe99d245ba34e7874](https://github.com/dotnet/runtime/commit/f6f91998634961ec4df518ebe99d245ba34e7874)
Diff | [Diff](https://github.com/dotnet/runtime/compare/230dc86e9d92fbf191bf3b45b3f1b656f83d4426...f6f91998634961ec4df518ebe99d245ba34e7874)
Configs | CompilationMode:tiered, LLVM:true, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono


### Regressions in System.IO.Tests.StreamReaderReadLineTests

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ReadLine - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 22.04_LLVM=true_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange%3a%20%5b%20%20%200%2c%201024%5d).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.IO/StreamReaderReadLineTests.cs#L24-#L32>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 14.25 μs | 20.05 μs | 1.41 | 0.01 | True | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.IO.Tests.StreamReaderReadLineTests_1.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/04_16_2024/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dtrue_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.IO.Tests.StreamReaderReadLineTests.html>)

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

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


#### Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))
- 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 $RunArch -framework net8.0`
- AOT MONO build extracted to `runtime/artifacts/bin/mono/$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 /p:CrossBuild=false /p:MonoLLVMUseCxx11Abi=false`
- 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 aot directory 
mkdir -p $RunDir/artifacts/bin/aot/sgen
mkdir -p $RunDir/artifacts/bin/aot/pack
cp -r $RunDir/artifacts/obj/mono/$RunOS.$RunArch.Release/mono/* $RunDir/artifacts/bin/aot/sgen
cp -r $RunDir/artifacts/bin/microsoft.netcore.app.runtime.$RunOS-$RunArch/Release/* $RunDir/artifacts/bin/aot/pack

# 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.StreamReaderReadLineTests*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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.StreamReaderReadLineTests* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages --buildTimeout 1200
```

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

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

# Create aot directory
mkdir $RunDir\artifacts\bin\aot\sgen
mkdir $RunDir\artifacts\bin\aot\pack
xcopy $RunDir\artifacts\obj\mono\$RunOS.$RunArch.Release\mono $RunDir\artifacts\bin\aot\sgen\ /e /y
xcopy $RunDir\artifacts\bin\microsoft.netcore.app.runtime.$RunOSId-$RunArch\Release $RunDir\artifacts\bin\aot\pack\ /e /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.StreamReaderReadLineTests*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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.StreamReaderReadLineTests* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack -aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages --buildTimeout 1200
```

</details>

<details>

### System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [   0, 1024])

#### 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	230dc86e9d92fbf191bf3b45b3f1b656f83d4426
Compare	f6f91998634961ec4df518ebe99d245ba34e7874
Diff	Diff
Configs	CompilationMode:tiered, LLVM:true, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	100.72 ms	117.47 ms	1.17	0.00	True
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	100.10 ms	116.87 ms	1.17	0.00	True
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	100.29 ms	117.20 ms	1.17	0.00	True
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	100.29 ms	117.98 ms	1.18	0.01	True

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
GetChars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	263.04 ns	434.51 ns	1.65	0.02	True
GetString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	265.36 ns	436.08 ns	1.64	0.05	True
GetChars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	39.79 ns	44.77 ns	1.12	0.02	False

[Perf] Linux/x64: 11 Regressions on 4/8/2024 6:26:42 PM #101124

Description

Run Information

Regressions in Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks

Repro

Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))

Microsoft.Extensions.Configuration.Xml.XmlConfigurationProviderBenchmarks.Load(FileName: "deep.xml")

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.IO.Tests.StreamReaderReadToEndTests

Repro

Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))

System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange: [ 9, 32])

ETL Files

Histogram

JIT Disasms

System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange: [ 129, 1024])

ETL Files

Histogram

JIT Disasms

System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange: [1025, 2048])

ETL Files

Histogram

JIT Disasms

System.IO.Tests.StreamReaderReadToEndTests.ReadToEnd(LineLengthRange: [ 1, 8])

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Text.Tests.Perf_Encoding

Repro

Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))

System.Text.Tests.Perf_Encoding.GetChars(size: 512, encName: "utf-8")

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System.Text.Tests.Perf_Encoding.GetString(size: 512, encName: "utf-8")

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System.Text.Tests.Perf_Encoding.GetChars(size: 16, encName: "ascii")

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Regressions in System.Text.Perf_Utf8Encoding

Repro

Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))

System.Text.Perf_Utf8Encoding.GetString(Input: EnglishAllAscii)

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Regressions in System.IO.Tests.StreamReaderReadLineTests

Repro

Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))

System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [ 0, 1024])

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