[Perf] Linux/x64: 13 Regressions on 7/4/2024 8:57:20 PM

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	dd6840d5e579b4a8a77814f0b96e5ace56da4932
Compare	0dac63563156579c7b3027ee15a51f1f19e590c2
Diff	Diff
Configs	CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:false, RunKind:micro_mono

Regressions in System.Text.Json.Tests.Perf_Reader

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
[ReadSingleSpanSequenceEmptyLoop - 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.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact%3a%20True%2c%20TestCase%3a%20BroadTree).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	17.40 μs	18.43 μs	1.06	0.04	False
[ReadReturnBytes - 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.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact%3a%20True%2c%20TestCase%3a%20Json40KB).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	187.87 μs	199.81 μs	1.06	0.01	False
[ReadReturnBytes - 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.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact%3a%20False%2c%20TestCase%3a%20Json40KB).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	221.58 μs	238.00 μs	1.07	0.00	False
[ReadSpanEmptyLoop - 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.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact%3a%20False%2c%20TestCase%3a%20HelloWorld).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	220.16 ns	241.03 ns	1.09	0.01	False
[ReadSingleSpanSequenceEmptyLoop - 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.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact%3a%20True%2c%20TestCase%3a%20Json4KB).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	15.51 μs	17.40 μs	1.12	0.01	False
[ReadReturnBytes - 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.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact%3a%20True%2c%20TestCase%3a%20Json4KB).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	18.98 μs	20.56 μs	1.08	0.01	False
[ReadReturnBytes - 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.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact%3a%20False%2c%20TestCase%3a%20Json4KB).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	22.77 μs	24.43 μs	1.07	0.02	False
[ReadReturnBytes - 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.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact%3a%20True%2c%20TestCase%3a%20DeepTree).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	10.51 μs	11.16 μs	1.06	0.00	False
[ReadSingleSpanSequenceEmptyLoop - 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.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact%3a%20True%2c%20TestCase%3a%20Json40KB).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	153.24 μs	166.59 μs	1.09	0.01	False
[ReadMultiSpanSequenceEmptyLoop - 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.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact%3a%20True%2c%20TestCase%3a%20Json400B).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	2.11 μs	2.26 μs	1.07	0.02	False
[ReadReturnBytes - 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.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact%3a%20False%2c%20TestCase%3a%20Json400B).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	2.57 μs	2.73 μs	1.06	0.00	False
[ReadSingleSpanSequenceEmptyLoop - 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.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact%3a%20True%2c%20TestCase%3a%20DeepTree).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	8.85 μs	9.50 μs	1.07	0.03	False
[ReadReturnBytes - 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.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact%3a%20False%2c%20TestCase%3a%20DeepTree).html>) 📝 - Benchmark Source ADX - Test Multi Config Graph	18.02 μs	19.40 μs	1.08	0.01	False

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Repro

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

Repro Steps

#### 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.Text.Json.Tests.Perf_Reader*' --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.Text.Json.Tests.Perf_Reader*' --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.Text.Json.Tests.Perf_Reader*' --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.Text.Json.Tests.Perf_Reader*' --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 ```

### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: BroadTree) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: Json40KB) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: Json40KB) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadSpanEmptyLoop(IsDataCompact: False, TestCase: HelloWorld) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json4KB) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: Json4KB) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: Json4KB) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: True, TestCase: DeepTree) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json40KB) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadMultiSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: Json400B) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: Json400B) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadSingleSpanSequenceEmptyLoop(IsDataCompact: True, TestCase: DeepTree) #### ETL Files #### Histogram #### JIT Disasms ### System.Text.Json.Tests.Perf_Reader.ReadReturnBytes(IsDataCompact: False, TestCase: DeepTree) #### 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)

dotnet / perf-autofiling-issues