[Perf] Linux/x64: 4 Regressions on 9/18/2025 6:51:53 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [7551ceadda4a368b1953304ee7977caa79719870](https://github.com/dotnet/runtime/commit/7551ceadda4a368b1953304ee7977caa79719870)
Compare | [0416028536d7526404c74c137e9bd0eed9f9c24e](https://github.com/dotnet/runtime/commit/0416028536d7526404c74c137e9bd0eed9f9c24e)
Diff | [Diff](https://github.com/dotnet/runtime/compare/7551ceadda4a368b1953304ee7977caa79719870...0416028536d7526404c74c137e9bd0eed9f9c24e)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:true, RunKind:micro_mono


### Regressions in System.Numerics.Tests.Perf_BigInteger

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ToStringX - 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=true_RunKind=micro_mono/ViperUbuntu/System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString%3a%20123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Numerics/Perf.BigInteger.cs#L39-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 238.24 μs | 303.15 μs | 1.27 | 0.04 | False | | |
|<ul><li>[ToStringX - 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=true_RunKind=micro_mono/ViperUbuntu/System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString%3a%20123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Numerics/Perf.BigInteger.cs#L39-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.41 μs | 4.07 μs | 1.19 | 0.06 | False | | |
|<ul><li>[ToStringX - 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=true_RunKind=micro_mono/ViperUbuntu/System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString%3a%20123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Numerics/Perf.BigInteger.cs#L39-#L42>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 236.74 μs | 302.92 μs | 1.28 | 0.06 | False | | |
|<ul><li>[ToStringD - 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=true_RunKind=micro_mono/ViperUbuntu/System.Numerics.Tests.Perf_BigInteger.ToStringD(numberString%3a%20-2147483648).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime.Numerics/Perf.BigInteger.cs#L44-#L47>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 733.19 ns | 826.02 ns | 1.13 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_23_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono/ViperUbuntu_Regression/System.Numerics.Tests.Perf_BigInteger_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_23_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono/ViperUbuntu_Regression/System.Numerics.Tests.Perf_BigInteger_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_23_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono/ViperUbuntu_Regression/System.Numerics.Tests.Perf_BigInteger_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_23_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono/ViperUbuntu_Regression/System.Numerics.Tests.Perf_BigInteger_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/09_23_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono/ViperUbuntu_Regression/System.Numerics.Tests.Perf_BigInteger.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

<details>
<summary>Repro Steps</summary>


#### Prerequisites (Build files either built locally or downloaded from payload above)
- Libraries build extracted to `runtime/artifacts` or build instructions: [Libraries README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/libraries/README.md) args: `-subset libs+libs.tests -rc release -configuration Release -arch $RunArch -framework net8.0`
- CoreCLR product build extracted to `runtime/artifacts/bin/coreclr/$RunOS.$RunArch.Release`, build instructions: [CoreCLR README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/coreclr/README.md) args: `-subset clr+libs -rc release -configuration Release -arch $RunArch -framework net8.0`
- Mono Runtime build extracted to `runtime/artifacts/bin/mono/$RunOS.$RunArch.Release`, build instructions: [MONO README](https://github.com/dotnet/runtime/blob/main/docs/workflow/building/mono/README.md) args: `-arch $RunArch -os $RunOS -s mono+libs+host+packs -c Release`
- Dotnet SDK installed for dotnet commands
- Running commands from the runtime folder

Linux
```cmd
# Set $RunDir to the runtime directory
RunDir=`pwd`

# Set the OS, arch, and OSId
RunOS='linux'
RunOSId='linux'
RunArch='x64'

# Create mono dotnet
mkdir -p $RunDir/artifacts/dotnet-mono
$RunDir/build.sh -subset libs.pretest -configuration release -ci -arch $RunArch -testscope innerloop /p:RuntimeArtifactsPath=$RunDir/artifacts/bin/mono/$RunOS.$RunArch.Release /p:RuntimeFlavor=mono
cp $RunDir/artifacts/bin/runtime/net8.0-$RunOS-Release-$RunArch/* $RunDir/artifacts/bin/testhost/net8.0-$RunOS-Release-$RunArch/shared/Microsoft.NETCore.App/8.0.0 -rf
cp $RunDir/artifacts/bin/testhost/net8.0-$RunOS-Release-$RunArch/* $RunDir/artifacts/dotnet-mono -r
cp $RunDir/artifacts/bin/coreclr/$RunOS.$RunArch.Release/corerun $RunDir/artifacts/dotnet-mono/shared/Microsoft.NETCore.App/8.0.0/corerun

# Create Core Root
$RunDir/src/tests/build.sh release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir/performance

# 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.Numerics.Tests.Perf_BigInteger*' --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.Numerics.Tests.Perf_BigInteger*' --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

# 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.Numerics.Tests.Perf_BigInteger*' --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.Numerics.Tests.Perf_BigInteger*' --anyCategories Libraries Runtime " --category-exclusion-filter NoInterpreter NoMono --logBuildOutput --generateBinLog --corerun $RunDir\artifacts\dotnet-mono\shared\Microsoft.NETCore.App\8.0.0\corerun.exe --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages
```

</details>

<details>

### System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString: 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890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)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString: 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString: 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890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)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tests.Perf_BigInteger.ToStringD(numberString: -2147483648)

#### 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>

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Uh oh!

[Perf] Linux/x64: 4 Regressions on 9/18/2025 6:51:53 PM +00:00 #62775

Run Information

Regressions in System.Numerics.Tests.Perf_BigInteger

Repro

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

ETL Files

Histogram

JIT Disasms

System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString: 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890)

ETL Files

Histogram

JIT Disasms

ETL Files

Histogram

JIT Disasms

System.Numerics.Tests.Perf_BigInteger.ToStringD(numberString: -2147483648)

ETL Files

Histogram

JIT Disasms

Docs

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Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	7551ceadda4a368b1953304ee7977caa79719870
Compare	0416028536d7526404c74c137e9bd0eed9f9c24e
Diff	Diff
Configs	CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:true, RunKind:micro_mono

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ToStringX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	238.24 μs	303.15 μs	1.27	0.04	False
ToStringX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.41 μs	4.07 μs	1.19	0.06	False
ToStringX - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	236.74 μs	302.92 μs	1.28	0.06	False
ToStringD - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	733.19 ns	826.02 ns	1.13	0.04	False

[Perf] Linux/x64: 4 Regressions on 9/18/2025 6:51:53 PM +00:00 #62775

Description

Run Information

Regressions in System.Numerics.Tests.Perf_BigInteger

Repro

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

ETL Files

Histogram

JIT Disasms

System.Numerics.Tests.Perf_BigInteger.ToStringX(numberString: 12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890)

ETL Files

Histogram

JIT Disasms

ETL Files

Histogram

JIT Disasms

System.Numerics.Tests.Perf_BigInteger.ToStringD(numberString: -2147483648)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions