[Perf] Linux/x64: 12 Regressions on 9/12/2023 12:17:30 AM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	TigerUbuntu
Baseline	da4e544809b3b10b7db8dc170331988d817240d7
Compare	f6c592995a4f8526508da33761230a3850d942ff
Diff	Diff
Configs	CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:true, RunKind:micro_mono

Regressions in System.Globalization.Tests.StringSearch

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.80 μs	7.59 μs	1.12	0.02	True
LastIndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.23 μs	6.74 μs	1.08	0.01	True
LastIndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	7.97 μs	8.54 μs	1.07	0.02	True
LastIndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	7.99 μs	8.55 μs	1.07	0.07	False
LastIndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.24 μs	6.78 μs	1.09	0.07	True
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.77 μs	7.30 μs	1.08	0.02	True
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.86 μs	7.66 μs	1.12	0.01	True
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.24 μs	6.78 μs	1.09	0.05	True
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	7.96 μs	8.54 μs	1.07	0.06	False
LastIndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.23 μs	6.76 μs	1.08	0.05	True
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.89 μs	7.65 μs	1.11	0.02	True
IndexOf_Word_NotFound - Duration of single invocation 📝 - Benchmark Source 📈 - ADX Test Multi Config Graph	6.23 μs	6.78 μs	1.09	0.02	True

Test Report

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 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 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 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

# 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

# Use Interpreter
export MONO_ENV_OPTIONS="--interpreter"

# 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.Globalization.Tests.StringSearch*' --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.Globalization.Tests.StringSearch*' --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

# 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

# Use Interpreter
export MONO_ENV_OPTIONS="--interpreter"

# 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.Globalization.Tests.StringSearch*' --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.Globalization.Tests.StringSearch*' --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

Payloads

Baseline
Compare

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (, IgnoreCase, True))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.590485539096648 > 7.1448604853328135.
IsChangePoint: Marked as a change because one of 9/11/2023 3:39:38 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -16.676329162352896 (T) = (0 -7421.518063096212) / Math.Sqrt((10740.820125139002 / (17)) + (11846.321725304482 / (26))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (26) - 2, .025) and -0.08002870741121 = (6871.593330963697 - 7421.518063096212) / 6871.593330963697 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (, None, False))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 6.744431218529707 > 6.528604320443165.
IsChangePoint: Marked as a change because one of 9/11/2023 3:39:38 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -50.31976168794924 (T) = (0 -6789.82286604238) / Math.Sqrt((269.04146094125434 / (17)) + (2709.617299691666 / (25))) is less than -2.0210753903043583 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (25) - 2, .025) and -0.09003243301384091 = (6229.009945391382 - 6789.82286604238) / 6229.009945391382 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (en-US, IgnoreCase, False))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.541950847881434 > 8.416938885995156.
IsChangePoint: Marked as a change because one of 9/11/2023 8:56:48 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -20.144190549653437 (T) = (0 -8544.7252807075) / Math.Sqrt((11177.18151570734 / (18)) + (859.8377396401935 / (25))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (25) - 2, .025) and -0.06422768534250814 = (8029.038708908883 - 8544.7252807075) / 8029.038708908883 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (, IgnoreCase, False))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.554524659578437 > 8.383868498533433.
IsChangePoint: Marked as a change because one of 9/11/2023 3:39:38 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -12.336434052114233 (T) = (0 -8558.445405070423) / Math.Sqrt((25591.168773102614 / (17)) + (4952.51720316372 / (25))) is less than -2.0210753903043583 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (25) - 2, .025) and -0.06325558134590568 = (8049.283309885706 - 8558.445405070423) / 8049.283309885706 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (en-US, None, False))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 6.775788008731967 > 6.539039671067053.
IsChangePoint: Marked as a change because one of 9/11/2023 3:39:38 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -16.95842652244578 (T) = (0 -6797.106929801512) / Math.Sqrt((6984.978375823645 / (17)) + (15829.566698761633 / (25))) is less than -2.0210753903043583 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (25) - 2, .025) and -0.08768561342711316 = (6249.146670594437 - 6797.106929801512) / 6249.146670594437 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, IgnoreCase, True))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.302960854851332 > 7.265390173757418.
IsChangePoint: Marked as a change because one of 9/11/2023 8:56:48 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -14.865355242410068 (T) = (0 -7379.4851486208545) / Math.Sqrt((14543.901949647545 / (18)) + (9587.072402544662 / (27))) is less than -2.016692199226234 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (27) - 2, .025) and -0.0737670604197758 = (6872.519581422005 - 7379.4851486208545) / 6872.519581422005 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, None, True))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.660517772088073 > 7.200631713114322.
IsChangePoint: Marked as a change because one of 9/11/2023 8:56:48 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -18.957730405514035 (T) = (0 -7538.283060714294) / Math.Sqrt((8565.779354268001 / (18)) + (16264.514995066811 / (25))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (25) - 2, .025) and -0.09218666990916168 = (6902.009764815442 - 7538.283060714294) / 6902.009764815442 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (en-US, None, False))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 6.781754195500283 > 6.538369939478929.
IsChangePoint: Marked as a change because one of 9/11/2023 8:56:48 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -38.509029612848636 (T) = (0 -6770.774629630168) / Math.Sqrt((2638.517216611332 / (18)) + (904.694607996778 / (25))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (25) - 2, .025) and -0.08329644256694577 = (6250.15864871332 - 6770.774629630168) / 6250.15864871332 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (, IgnoreCase, False))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 8.536024734277191 > 8.363840882393724.
IsChangePoint: Marked as a change because one of 9/11/2023 3:39:38 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -14.322236681857873 (T) = (0 -8528.300077586588) / Math.Sqrt((19479.366898690067 / (17)) + (543.51913757175 / (25))) is less than -2.0210753903043583 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (25) - 2, .025) and -0.06087768130264647 = (8038.909883667955 - 8528.300077586588) / 8038.909883667955 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.LastIndexOf_Word_NotFound(Options: (en-US, IgnoreNonSpace, False))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 6.755015972824516 > 6.538635940827095.
IsChangePoint: Marked as a change because one of 9/11/2023 3:39:38 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -18.973001976273736 (T) = (0 -6795.272633532069) / Math.Sqrt((4810.256624777602 / (17)) + (14389.900073658857 / (25))) is less than -2.0210753903043583 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (25) - 2, .025) and -0.0891005791279389 = (6239.343513133707 - 6795.272633532069) / 6239.343513133707 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (, None, True))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 7.6536268628585455 > 7.230337065761833.
IsChangePoint: Marked as a change because one of 9/11/2023 3:39:38 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -15.596838517254975 (T) = (0 -7505.989105510803) / Math.Sqrt((11936.57936857437 / (17)) + (15586.249835183748 / (25))) is less than -2.0210753903043583 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (25) - 2, .025) and -0.08184664425556452 = (6938.126716357096 - 7505.989105510803) / 6938.126716357096 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

JIT Disasms

System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (, None, False))

ETL Files

Histogram

Description of detection logic

IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsRegressionBase: Marked as regression because the compare was 5% greater than the baseline, and the value was not too small.
IsRegressionChecked: Marked as regression because the three check build points were 0.05 greater than the baseline.
IsRegressionWindowed: Marked as regression because 6.775398812290428 > 6.544707793048156.
IsChangePoint: Marked as a change because one of 9/11/2023 3:39:38 PM, 9/18/2023 8:11:22 PM falls between 9/9/2023 9:29:58 PM and 9/18/2023 8:11:22 PM.
IsRegressionStdDev: Marked as regression because -28.69728438308208 (T) = (0 -6779.738087531058) / Math.Sqrt((4017.3874716041214 / (17)) + (2631.8101384430634 / (26))) is less than -2.019540970439573 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (17) + (26) - 2, .025) and -0.08432370970354215 = (6252.503774343053 - 6779.738087531058) / 6252.503774343053 is less than -0.05.
IsImprovementBase: Marked as not an improvement because the compare was not 5% less than the baseline, or the value was too small.
IsChangeEdgeDetector: Marked as regression because Edge Detector said so.

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[kotlarmilos]

@lewing The regressions may be related to dotnet/runtime#91884 (comment).