[Perf] Linux/x64: 14 Regressions on 7/12/2023 7:15:00 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [83bf4b66ed3de5905b2e410a194a0f5f3d924c3d](https://github.com/dotnet/runtime/commit/83bf4b66ed3de5905b2e410a194a0f5f3d924c3d)
Compare | [d9f6b98de38081b71fa9b5a463f302288546435d](https://github.com/dotnet/runtime/commit/d9f6b98de38081b71fa9b5a463f302288546435d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/83bf4b66ed3de5905b2e410a194a0f5f3d924c3d...d9f6b98de38081b71fa9b5a463f302288546435d)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:true, RunKind:micro_mono


### Regressions in System.Tests.Perf_Double

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
[TryParse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Double.TryParse(value%3a%20%22-1.7976931348623157e%2b308%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L72-#L74>) | 1.32 μs | 1.43 μs | 1.08 | 0.08 | False | | |
[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Double.Parse(value%3a%20%2212345%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L68-#L70>) | 654.25 ns | 778.31 ns | 1.19 | 0.07 | False | | |
[TryParse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Double.TryParse(value%3a%20%221.7976931348623157e%2b308%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L72-#L74>) | 1.31 μs | 1.49 μs | 1.14 | 0.07 | False | | |
[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Double.Parse(value%3a%20%22-1.7976931348623157e%2b308%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L68-#L70>) | 1.32 μs | 1.44 μs | 1.09 | 0.05 | False | | |
[TryParse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Double.TryParse(value%3a%20%2212345%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Double.cs#L72-#L74>) | 678.50 ns | 770.23 ns | 1.14 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Double_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Double_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Double_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Double_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Double_5.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Double.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.Tests.Perf_Double*' --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.Tests.Perf_Double*' --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.Tests.Perf_Double*' --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.Tests.Perf_Double*' --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>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-96649396-4038-480e-998a-a48e3c05639a1ac376b22ae4368b8/e31f2c56-a3f7-4be1-a8df-90f719de99c8.zip?sv=2021-08-06&se=2023-08-10T23%3A19%3A30Z&sr=c&sp=rl&sig=wt5dCgQ08pqSBfGtSeKnoMOKQYUue6DnH6TV%2FxfPLUk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-cbf01b6a-35b3-4ea7-91b8-e04a8ff69026acf0e9f96c141d69d/99f4b97e-b411-4faa-b277-d7fc4e27c256.zip?sv=2021-08-06&se=2023-08-12T04%3A33%3A34Z&sr=c&sp=rl&sig=PmlMDtd2fyjF8dKZfD6ZLjmWTxQ%2Fxh1Ltu1WTmviCUM%3D>)
### System.Tests.Perf_Double.TryParse(value: "-1.7976931348623157e+308")

#### 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 1.4283134987093364 > 1.404487021123169.
IsChangePoint: Marked as a change because one of 4/12/2023 4:44:56 PM, 5/26/2023 5:44:43 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -14.067276825180706 (T) = (0 -1428.106638464281) / Math.Sqrt((441.9537241284203 / (21)) + (179.5826920356992 / (7))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (7) - 2, .025) and -0.07217270481643573 = (1331.974440357334 - 1428.106638464281) / 1331.974440357334 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.Tests.Perf_Double.Parse(value: "12345")

#### 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 778.3109760841621 > 688.6149457579953.
IsChangePoint: Marked as a change because one of 6/15/2023 3:33:58 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -12.23658529417109 (T) = (0 -767.9255428236728) / Math.Sqrt((458.8351216028941 / (21)) + (310.7041143005677 / (7))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (7) - 2, .025) and -0.14900812279605108 = (668.3377842055339 - 767.9255428236728) / 668.3377842055339 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.Tests.Perf_Double.TryParse(value: "1.7976931348623157e+308")

#### 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 1.492319784238435 > 1.3781275268458926.
IsChangePoint: Marked as a change because one of 5/10/2023 2:00:36 PM, 6/15/2023 3:33:58 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -5.682934905281725 (T) = (0 -1428.8176468827073) / Math.Sqrt((518.2335862651872 / (21)) + (2394.015732077515 / (7))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (7) - 2, .025) and -0.08244110113960654 = (1319.9957442288837 - 1428.8176468827073) / 1319.9957442288837 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.Tests.Perf_Double.Parse(value: "-1.7976931348623157e+308")

#### 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 1.4405998906580748 > 1.3800986139191427.
IsChangePoint: Marked as a change because one of 4/12/2023 4:44:56 PM, 5/10/2023 6:18:38 PM, 7/11/2023 8:33:01 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -6.549582382735843 (T) = (0 -1424.8359957005018) / Math.Sqrt((1207.8847712398183 / (18)) + (1379.8277354178404 / (11))) is less than -2.051830516474954 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (18) + (11) - 2, .025) and -0.06812983122294863 = (1333.9539389786958 - 1424.8359957005018) / 1333.9539389786958 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.Tests.Perf_Double.TryParse(value: "12345")

#### 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 770.2342306770473 > 694.2220032779679.
IsChangePoint: Marked as a change because one of 6/15/2023 3:33:58 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -21.98709931232667 (T) = (0 -772.2271343345261) / Math.Sqrt((168.6746159646895 / (21)) + (105.08105353800386 / (7))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (7) - 2, .025) and -0.15831653537631882 = (666.680575429791 - 772.2271343345261) / 666.680575429791 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



### 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 18.04
Queue | TigerUbuntu
Baseline | [83bf4b66ed3de5905b2e410a194a0f5f3d924c3d](https://github.com/dotnet/runtime/commit/83bf4b66ed3de5905b2e410a194a0f5f3d924c3d)
Compare | [d9f6b98de38081b71fa9b5a463f302288546435d](https://github.com/dotnet/runtime/commit/d9f6b98de38081b71fa9b5a463f302288546435d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/83bf4b66ed3de5905b2e410a194a0f5f3d924c3d...d9f6b98de38081b71fa9b5a463f302288546435d)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:true, RunKind:micro_mono


### Regressions in System.Tests.Perf_Single

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Single.Parse(value%3a%20%2212345%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Single.cs#L66-#L68>) | 652.83 ns | 776.09 ns | 1.19 | 0.08 | False | | |
[TryParse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Single.TryParse(value%3a%20%2212345%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Single.cs#L70-#L72>) | 673.24 ns | 772.03 ns | 1.15 | 0.09 | False | | |
[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Single.Parse(value%3a%20%223.4028235E%2b38%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Single.cs#L66-#L68>) | 983.38 ns | 1.12 μs | 1.14 | 0.07 | False | | |
[TryParse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Single.TryParse(value%3a%20%223.4028235E%2b38%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Single.cs#L70-#L72>) | 1.01 μs | 1.11 μs | 1.09 | 0.07 | False | | |
[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Single.Parse(value%3a%20%22-3.4028235E%2b38%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Single.cs#L66-#L68>) | 998.47 ns | 1.15 μs | 1.15 | 0.06 | False | | |
[TryParse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Single.TryParse(value%3a%20%22-3.4028235E%2b38%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Single.cs#L70-#L72>) | 996.82 ns | 1.12 μs | 1.12 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Single_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Single_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Single_3.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Single_4.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Single_5.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Single_6.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Single.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.Tests.Perf_Single*' --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.Tests.Perf_Single*' --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.Tests.Perf_Single*' --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.Tests.Perf_Single*' --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>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-96649396-4038-480e-998a-a48e3c05639a1ac376b22ae4368b8/e31f2c56-a3f7-4be1-a8df-90f719de99c8.zip?sv=2021-08-06&se=2023-08-10T23%3A19%3A30Z&sr=c&sp=rl&sig=wt5dCgQ08pqSBfGtSeKnoMOKQYUue6DnH6TV%2FxfPLUk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-cbf01b6a-35b3-4ea7-91b8-e04a8ff69026acf0e9f96c141d69d/99f4b97e-b411-4faa-b277-d7fc4e27c256.zip?sv=2021-08-06&se=2023-08-12T04%3A33%3A34Z&sr=c&sp=rl&sig=PmlMDtd2fyjF8dKZfD6ZLjmWTxQ%2Fxh1Ltu1WTmviCUM%3D>)
### System.Tests.Perf_Single.Parse(value: "12345")

#### 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 776.0932317703125 > 704.9322950498149.
IsChangePoint: Marked as a change because one of 6/15/2023 3:33:58 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -22.364599353950155 (T) = (0 -782.9983930504808) / Math.Sqrt((259.7258235265031 / (21)) + (99.82029583698599 / (8))) is less than -2.051830516474954 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (8) - 2, .025) and -0.16600624055240706 = (671.5216143950718 - 782.9983930504808) / 671.5216143950718 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.Tests.Perf_Single.TryParse(value: "12345")

#### 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 772.0319310040405 > 699.3400812757429.
IsChangePoint: Marked as a change because one of 6/15/2023 3:33:58 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -21.48071236296315 (T) = (0 -787.0136719641645) / Math.Sqrt((236.51532775250817 / (21)) + (140.92185317931308 / (8))) is less than -2.051830516474954 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (8) - 2, .025) and -0.1718831310259696 = (671.5803403323533 - 787.0136719641645) / 671.5803403323533 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.Tests.Perf_Single.Parse(value: "3.4028235E+38")

#### 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 1.1229082434515634 > 1027.808843632553.
IsChangePoint: Marked as a change because one of 5/10/2023 12:32:34 AM, 6/15/2023 3:33:58 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -15.366255475709803 (T) = (0 -1120.119588638584) / Math.Sqrt((301.06533340480496 / (21)) + (419.28001657656336 / (7))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (7) - 2, .025) and -0.13403924479156226 = (987.7255957261543 - 1120.119588638584) / 987.7255957261543 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.Tests.Perf_Single.TryParse(value: "3.4028235E+38")

#### 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 1.1068694844980786 > 1036.0246867091987.
IsChangePoint: Marked as a change because one of 5/10/2023 2:00:36 PM, 6/15/2023 3:33:58 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -18.833953240172935 (T) = (0 -1109.263060964777) / Math.Sqrt((210.56575582699378 / (21)) + (219.25774856852763 / (7))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (7) - 2, .025) and -0.12256087248773327 = (988.154039706117 - 1109.263060964777) / 988.154039706117 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.Tests.Perf_Single.Parse(value: "-3.4028235E+38")

#### 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 1.1463628462353526 > 1049.083427715319.
IsChangePoint: Marked as a change because one of 5/10/2023 2:00:36 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -21.53241259488577 (T) = (0 -1144.088590498105) / Math.Sqrt((221.58077121821447 / (21)) + (296.32219060310575 / (8))) is less than -2.051830516474954 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (8) - 2, .025) and -0.1492101153231692 = (995.5434391354762 - 1144.088590498105) / 995.5434391354762 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.Tests.Perf_Single.TryParse(value: "-3.4028235E+38")

#### 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 1.1166115019202196 > 1040.215621396703.
IsChangePoint: Marked as a change because one of 4/12/2023 4:44:56 PM, 6/15/2023 3:33:58 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -20.081663758962534 (T) = (0 -1139.0482983965712) / Math.Sqrt((335.3556259693156 / (21)) + (282.2598588647695 / (9))) is less than -2.048407141790485 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (9) - 2, .025) and -0.138034705592966 = (1000.8906519270668 - 1139.0482983965712) / 1000.8906519270668 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



### 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 18.04
Queue | TigerUbuntu
Baseline | [83bf4b66ed3de5905b2e410a194a0f5f3d924c3d](https://github.com/dotnet/runtime/commit/83bf4b66ed3de5905b2e410a194a0f5f3d924c3d)
Compare | [d9f6b98de38081b71fa9b5a463f302288546435d](https://github.com/dotnet/runtime/commit/d9f6b98de38081b71fa9b5a463f302288546435d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/83bf4b66ed3de5905b2e410a194a0f5f3d924c3d...d9f6b98de38081b71fa9b5a463f302288546435d)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:true, RunKind:micro_mono


### Regressions in System.Tests.Perf_Decimal

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
[Parse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Decimal.Parse(value%3a%20%22123456.789%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Decimal.cs#L27-#L29>) | 872.37 ns | 1.03 μs | 1.18 | 0.04 | False | | |
[TryParse - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=false_MonoInterpreter=true_RunKind=micro_mono/System.Tests.Perf_Decimal.TryParse(value%3a%20%22123456.789%22).html>) 📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Decimal.cs#L31-#L33>) | 869.85 ns | 997.79 ns | 1.15 | 0.07 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Decimal_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Decimal_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/07_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dfalse_MonoInterpreter%3Dtrue_RunKind%3Dmicro_mono_Regression/System.Tests.Perf_Decimal.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.Tests.Perf_Decimal*' --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.Tests.Perf_Decimal*' --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.Tests.Perf_Decimal*' --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.Tests.Perf_Decimal*' --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>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-96649396-4038-480e-998a-a48e3c05639a1ac376b22ae4368b8/e31f2c56-a3f7-4be1-a8df-90f719de99c8.zip?sv=2021-08-06&se=2023-08-10T23%3A19%3A30Z&sr=c&sp=rl&sig=wt5dCgQ08pqSBfGtSeKnoMOKQYUue6DnH6TV%2FxfPLUk%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-cbf01b6a-35b3-4ea7-91b8-e04a8ff69026acf0e9f96c141d69d/99f4b97e-b411-4faa-b277-d7fc4e27c256.zip?sv=2021-08-06&se=2023-08-12T04%3A33%3A34Z&sr=c&sp=rl&sig=PmlMDtd2fyjF8dKZfD6ZLjmWTxQ%2Fxh1Ltu1WTmviCUM%3D>)
### System.Tests.Perf_Decimal.Parse(value: "123456.789")

#### 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 1.0320032823791305 > 904.3949509603732.
IsChangePoint: Marked as a change because one of 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -26.943591650363345 (T) = (0 -1024.3770950240116) / Math.Sqrt((511.7817955246586 / (21)) + (80.58593559685896 / (8))) is less than -2.051830516474954 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (8) - 2, .025) and -0.1825444608552322 = (866.248271361542 - 1024.3770950240116) / 866.248271361542 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.Tests.Perf_Decimal.TryParse(value: "123456.789")

#### 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 997.7892325416518 > 900.2954483174825.
IsChangePoint: Marked as a change because one of 6/15/2023 3:33:58 PM, 7/12/2023 2:12:47 AM, 7/17/2023 10:23:26 PM falls between 7/8/2023 10:33:35 PM and 7/17/2023 10:23:26 PM.
IsRegressionStdDev: Marked as regression because -24.295394202879734 (T) = (0 -1005.9802128601907) / Math.Sqrt((492.91104018827946 / (21)) + (59.01692964758417 / (7))) is less than -2.055529438636913 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (21) + (7) - 2, .025) and -0.15795845288288596 = (868.7532876120677 - 1005.9802128601907) / 868.7532876120677 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



### 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 18.04
Queue	TigerUbuntu
Baseline	83bf4b66ed3de5905b2e410a194a0f5f3d924c3d
Compare	d9f6b98de38081b71fa9b5a463f302288546435d
Diff	Diff
Configs	CompilationMode:tiered, LLVM:false, MonoAOT:false, MonoInterpreter:true, RunKind:micro_mono

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
TryParse - Duration of single invocation 📝 - Benchmark Source	1.32 μs	1.43 μs	1.08	0.08	False
Parse - Duration of single invocation 📝 - Benchmark Source	654.25 ns	778.31 ns	1.19	0.07	False
TryParse - Duration of single invocation 📝 - Benchmark Source	1.31 μs	1.49 μs	1.14	0.07	False
Parse - Duration of single invocation 📝 - Benchmark Source	1.32 μs	1.44 μs	1.09	0.05	False
TryParse - Duration of single invocation 📝 - Benchmark Source	678.50 ns	770.23 ns	1.14	0.07	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
Parse - Duration of single invocation 📝 - Benchmark Source	652.83 ns	776.09 ns	1.19	0.08	False
TryParse - Duration of single invocation 📝 - Benchmark Source	673.24 ns	772.03 ns	1.15	0.09	False
Parse - Duration of single invocation 📝 - Benchmark Source	983.38 ns	1.12 μs	1.14	0.07	False
TryParse - Duration of single invocation 📝 - Benchmark Source	1.01 μs	1.11 μs	1.09	0.07	False
Parse - Duration of single invocation 📝 - Benchmark Source	998.47 ns	1.15 μs	1.15	0.06	False
TryParse - Duration of single invocation 📝 - Benchmark Source	996.82 ns	1.12 μs	1.12	0.07	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Parse - Duration of single invocation 📝 - Benchmark Source	872.37 ns	1.03 μs	1.18	0.04	False
TryParse - Duration of single invocation 📝 - Benchmark Source	869.85 ns	997.79 ns	1.15	0.07	False

[Perf] Linux/x64: 14 Regressions on 7/12/2023 7:15:00 AM #19919

Description

Run Information

Regressions in System.Tests.Perf_Double

Repro

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

Payloads

System.Tests.Perf_Double.TryParse(value: "-1.7976931348623157e+308")

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Tests.Perf_Double.Parse(value: "12345")

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Tests.Perf_Double.TryParse(value: "1.7976931348623157e+308")

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Tests.Perf_Double.Parse(value: "-1.7976931348623157e+308")

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Tests.Perf_Double.TryParse(value: "12345")

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Regressions in System.Tests.Perf_Single

Repro

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

Payloads

System.Tests.Perf_Single.Parse(value: "12345")

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Tests.Perf_Single.TryParse(value: "12345")

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Tests.Perf_Single.Parse(value: "3.4028235E+38")

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Tests.Perf_Single.TryParse(value: "3.4028235E+38")

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Tests.Perf_Single.Parse(value: "-3.4028235E+38")

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Tests.Perf_Single.TryParse(value: "-3.4028235E+38")

ETL Files

Histogram

Description of detection logic

JIT Disasms

Docs

Run Information

Regressions in System.Tests.Perf_Decimal

Repro

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

Payloads

System.Tests.Perf_Decimal.Parse(value: "123456.789")

ETL Files

Histogram

Description of detection logic

JIT Disasms

System.Tests.Perf_Decimal.TryParse(value: "123456.789")