[Perf] Linux/x64: 24 Regressions on 1/28/2025 6:13:17 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | TigerUbuntu
Baseline | [d4c7d865558316da4c135f519eb3dfc25b8a4367](https://github.com/dotnet/runtime/commit/d4c7d865558316da4c135f519eb3dfc25b8a4367)
Compare | [10f0bbf03ccc0f560f315ce13d5918ef8452ee6f](https://github.com/dotnet/runtime/commit/10f0bbf03ccc0f560f315ce13d5918ef8452ee6f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d4c7d865558316da4c135f519eb3dfc25b8a4367...10f0bbf03ccc0f560f315ce13d5918ef8452ee6f)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:false, RunKind:micro_mono


### Regressions in System.Collections.ContainsKeyTrue&lt;String, String&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[FrozenDictionary - 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.Collections.ContainsKeyTrue(String%2c%20String).FrozenDictionary(Size%3a%20512).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Contains/ContainsKeyTrue.cs#L130-#L139>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 21.96 μs | 23.79 μs | 1.08 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.ContainsKeyTrue%28String%2C%20String%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.ContainsKeyTrue%28String%2C%20String%29.html>)

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

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


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

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

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

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

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

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

# One line run:
python3 $RunDir/performance/scripts/benchmarks_ci.py --csproj $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.Collections.ContainsKeyTrue&lt;String, String&gt;*' --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.Collections.ContainsKeyTrue&lt;String, String&gt;*' --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.Collections.ContainsKeyTrue&lt;String, String&gt;*' --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.Collections.ContainsKeyTrue&lt;String, String&gt;*' --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.Collections.ContainsKeyTrue&lt;String, String&gt;.FrozenDictionary(Size: 512)

#### 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 | [d4c7d865558316da4c135f519eb3dfc25b8a4367](https://github.com/dotnet/runtime/commit/d4c7d865558316da4c135f519eb3dfc25b8a4367)
Compare | [10f0bbf03ccc0f560f315ce13d5918ef8452ee6f](https://github.com/dotnet/runtime/commit/10f0bbf03ccc0f560f315ce13d5918ef8452ee6f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d4c7d865558316da4c135f519eb3dfc25b8a4367...10f0bbf03ccc0f560f315ce13d5918ef8452ee6f)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:false, RunKind:micro_mono


### Regressions in System.Collections.Perf_SingleCharFrozenDictionary

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryGetValue_False_FrozenDictionary - 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.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count%3a%2010000).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 128.37 μs | 160.11 μs | 1.25 | 0.06 | False | | |
|<ul><li>[TryGetValue_True_FrozenDictionary - 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.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count%3a%2010).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 168.68 ns | 215.83 ns | 1.28 | 0.06 | False | | |
|<ul><li>[TryGetValue_False_FrozenDictionary - 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.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count%3a%201000).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 11.99 μs | 16.06 μs | 1.34 | 0.02 | False | | |
|<ul><li>[TryGetValue_False_FrozenDictionary - 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.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count%3a%20100).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.18 μs | 1.62 μs | 1.37 | 0.04 | False | | |
|<ul><li>[TryGetValue_True_FrozenDictionary - 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.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count%3a%20100).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.62 μs | 2.09 μs | 1.29 | 0.02 | False | | |
|<ul><li>[TryGetValue_True_FrozenDictionary - 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.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count%3a%201000).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 16.08 μs | 20.55 μs | 1.28 | 0.03 | False | | |
|<ul><li>[TryGetValue_True_FrozenDictionary - 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.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count%3a%2010000).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 166.16 μs | 204.82 μs | 1.23 | 0.04 | False | | |
|<ul><li>[TryGetValue_False_FrozenDictionary - 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.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count%3a%2010).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 124.46 ns | 160.72 ns | 1.29 | 0.05 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_SingleCharFrozenDictionary_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_SingleCharFrozenDictionary_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_SingleCharFrozenDictionary_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_SingleCharFrozenDictionary_004.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_SingleCharFrozenDictionary_005.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_SingleCharFrozenDictionary_006.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_SingleCharFrozenDictionary_007.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_SingleCharFrozenDictionary_008.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_SingleCharFrozenDictionary.html>)

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

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


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

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

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

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

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

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

# One line run:
python3 $RunDir/performance/scripts/benchmarks_ci.py --csproj $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.Collections.Perf_SingleCharFrozenDictionary*' --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.Collections.Perf_SingleCharFrozenDictionary*' --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.Collections.Perf_SingleCharFrozenDictionary*' --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.Collections.Perf_SingleCharFrozenDictionary*' --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.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10000)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 10)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 1000)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 100)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 100)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 1000)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 10000)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10)

#### 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 | [d4c7d865558316da4c135f519eb3dfc25b8a4367](https://github.com/dotnet/runtime/commit/d4c7d865558316da4c135f519eb3dfc25b8a4367)
Compare | [10f0bbf03ccc0f560f315ce13d5918ef8452ee6f](https://github.com/dotnet/runtime/commit/10f0bbf03ccc0f560f315ce13d5918ef8452ee6f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d4c7d865558316da4c135f519eb3dfc25b8a4367...10f0bbf03ccc0f560f315ce13d5918ef8452ee6f)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:false, RunKind:micro_mono


### Regressions in System.Collections.Perf_DefaultFrozenDictionary

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[TryGetValue_False_FrozenDictionary - 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.Collections.Perf_DefaultFrozenDictionary.TryGetValue_False_FrozenDictionary(Count%3a%2010).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 132.71 ns | 184.28 ns | 1.39 | 0.05 | False | | |
|<ul><li>[TryGetValue_True_FrozenDictionary - 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.Collections.Perf_DefaultFrozenDictionary.TryGetValue_True_FrozenDictionary(Count%3a%2010).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACmVR247TMBB9r9R/MH1xK7JNepFYiiyxtMtFbAXaRstjZZJJa+TY1XjCNrD8O+O0fWCRorEylzNnzrFAgiCQUOKt3LSBoB4vvbVQkPEujL8CVtsVVLqx9B79L3Ar05U0tuMc2w9AD9o2sM2Rw/OO4dI3jhZiko3km37P8jJdESBvKzUBmRqG02w6v5pMr7J5nr1eTOaL2fV4Nrt+xd/LLFtk2eg8iXDwPChLTw4oRUbm+Qvud9Su2Mc6QhXSPegypLU27tJQeFeZXdzcOl2bYvhbLn19MFZHsmtfglwISQYQSpkIeXf3sI6ZStsAMbH2zt98yf/LfXJ80QGB4z+1+8Z9Nq6MOV6Hfltzs/wTz2HVPppAHk2h7UqT/mZoH9loNIFlH0ZLVAzJSTDVxaTTQMWQnA9Wpyc5n6dOz6jfexIH9D/YRrEBNBAS8a4xtsxZsg3p+pCIzjeV85LOJcB7COzyzU9AvYN+L02fxOOe5TgjiBcMTqxoEIMB+dtjYZsSBgORpuL2yJAWhK9EZSxjGbcTvmG7ReiGIyEEV7L30bVir5HEI18thqcGdaF5LLxtaqee021P+aA63txHhiwoyfJFudvz7xp0aBBqcCRHfwGC7zKC3gIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 157.48 ns | 220.04 ns | 1.40 | 0.05 | False | | |
|<ul><li>[TryGetValue_True_FrozenDictionary - 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.Collections.Perf_DefaultFrozenDictionary.TryGetValue_True_FrozenDictionary(Count%3a%20100).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 3.95 μs | 4.20 μs | 1.06 | 0.01 | False | | |
|<ul><li>[TryGetValue_False_FrozenDictionary - 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.Collections.Perf_DefaultFrozenDictionary.TryGetValue_False_FrozenDictionary(Count%3a%20100).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=H4sIAAAAAAAACmVRTW8aMRC9I/EfXC4GdcMuiEhAZakpJG3VoFYBpUfk7s6CK6+NxrMJ26b/veMFDk0vY3k+3rx5zwIJgkBCifdy3QSCarjw1kJOxrsw/AZYbpdQ6trSHfpf4JamLWlshhtsPgI9alvD9k7bwPFVS3/ha0dzMcqygXzX7Vhep0sC5H2FJiBTQX+cjSdXo/FVNtlks/loMr+eDiez2XQ6un6bZXMePU8iHDwPysKTA0qRoXn+gvsDtcv3sY5QhnQPughppY27NOTelWYXNzdOVybv/5YLXx2M1ZHtyhcg50KSAYRCJkLe3z+uYqaMp8XEyjt/83XzX+6z44sOCBz/qT3U7otxRczxOvTbipvln3gO6/bJBPJocm2XmvR3Q/vIRqMJLHw/mqJiSE6CqTYmrQYqhuR8sDo9yfk8dXoG3c6LOKD/yUaKNaCBkIgPtbHFhiVbk64OiWidUxte0toE+ACBfb55AtQ76HbS9EU871mOM4J4w+DEigbR65G/Pea2LqDXE2kqbo8MaUH4UpTGMpZxO+FrtluEdjgSQnAFex9dy/caSTzz1aJ/alAXmsfc27py6jXd5pQPquXNfWTIgpIsX5S7OX9XoEONUIEjOfgL/pY55+ACAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=>)</li></ul> | 2.43 μs | 2.90 μs | 1.19 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_DefaultFrozenDictionary_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_DefaultFrozenDictionary_002.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_DefaultFrozenDictionary_003.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_DefaultFrozenDictionary_004.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_ubuntu%2022.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Regression/System.Collections.Perf_DefaultFrozenDictionary.html>)

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

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


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

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

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

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

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

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

# One line run:
python3 $RunDir/performance/scripts/benchmarks_ci.py --csproj $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.Collections.Perf_DefaultFrozenDictionary*' --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.Collections.Perf_DefaultFrozenDictionary*' --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.Collections.Perf_DefaultFrozenDictionary*' --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.Collections.Perf_DefaultFrozenDictionary*' --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.Collections.Perf_DefaultFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_DefaultFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 10)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_DefaultFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 100)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Perf_DefaultFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 100)

#### 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	d4c7d865558316da4c135f519eb3dfc25b8a4367
Compare	10f0bbf03ccc0f560f315ce13d5918ef8452ee6f
Diff	Diff
Configs	CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:false, RunKind:micro_mono

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	128.37 μs	160.11 μs	1.25	0.06	False
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	168.68 ns	215.83 ns	1.28	0.06	False
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	11.99 μs	16.06 μs	1.34	0.02	False
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	1.18 μs	1.62 μs	1.37	0.04	False
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	1.62 μs	2.09 μs	1.29	0.02	False
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	16.08 μs	20.55 μs	1.28	0.03	False
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	166.16 μs	204.82 μs	1.23	0.04	False
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	124.46 ns	160.72 ns	1.29	0.05	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	132.71 ns	184.28 ns	1.39	0.05	False
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	157.48 ns	220.04 ns	1.40	0.05	False
TryGetValue_True_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	3.95 μs	4.20 μs	1.06	0.01	False
TryGetValue_False_FrozenDictionary - Duration of single invocation ADX - Test Multi Config Graph	2.43 μs	2.90 μs	1.19	0.01	False

[Perf] Linux/x64: 24 Regressions on 1/28/2025 6:13:17 AM +00:00 #49599

Description

Run Information

Regressions in System.Collections.ContainsKeyTrue<String, String>

Repro

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

System.Collections.ContainsKeyTrue<String, String>.FrozenDictionary(Size: 512)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Perf_SingleCharFrozenDictionary

Repro

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

System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10000)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 10)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 1000)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 100)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 100)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 1000)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 10000)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_SingleCharFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Perf_DefaultFrozenDictionary

Repro

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

System.Collections.Perf_DefaultFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 10)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_DefaultFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 10)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_DefaultFrozenDictionary.TryGetValue_True_FrozenDictionary(Count: 100)

ETL Files

Histogram

JIT Disasms

System.Collections.Perf_DefaultFrozenDictionary.TryGetValue_False_FrozenDictionary(Count: 100)

ETL Files

Histogram

JIT Disasms

Docs

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