[Perf] Linux/x64: 21 Improvements on 4/17/2023 1:30:24 AM

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 18.04
Queue | TigerUbuntu
Baseline | [e7ed417c2bf4a24a0694a387f33ba843a2318fdc](https://github.com/dotnet/runtime/commit/e7ed417c2bf4a24a0694a387f33ba843a2318fdc)
Compare | [c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8](https://github.com/dotnet/runtime/commit/c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e7ed417c2bf4a24a0694a387f33ba843a2318fdc...c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono


### Improvements in System.Tests.Perf_DateTimeOffset

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Tests.Perf_DateTimeOffset.ToString(format%3a%20%22s%22).html>) | 485.34 ns | 359.93 ns | 0.74 | 0.01 | False | | |
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Tests.Perf_DateTimeOffset.ToString(value%3a%2012%2f30%2f2017%203%3a45%3a22%20AM%20-08%3a00).html>) | 643.49 ns | 515.76 ns | 0.80 | 0.01 | False | | |
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Tests.Perf_DateTimeOffset.ToString(format%3a%20null).html>) | 632.62 ns | 478.19 ns | 0.76 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Tests.Perf_DateTimeOffset_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Tests.Perf_DateTimeOffset_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Tests.Perf_DateTimeOffset.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-455e5fa0-573d-4cd0-9614-042ac4a1214d2c0c2d27946458a98/4e362ead-d589-4692-b017-23dc144730ba.zip?sv=2021-08-06&se=2023-05-12T11%3A46%3A04Z&sr=c&sp=rl&sig=CKIkYO7MyjbPB9T9PqhlVyOJSlfY93c7u3GN7Xh63s8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-95175e03-4481-4ac8-ae95-f44af55b9c80c2b5bc0e11c4f56b4/b8fbadd5-53d6-4bea-b75e-990fc2e439e5.zip?sv=2021-08-06&se=2023-05-17T10%3A24%3A37Z&sr=c&sp=rl&sig=Lvgsg3S7U0QkthdOPv4sAdgRC6iiNpXBHISefIGKruU%3D>)

<details>
   <summary>Repro Steps</summary>


#### Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))
- 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 $RunArch -framework net8.0`
- AOT MONO build extracted to `runtime/artifacts/bin/mono/$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 /p:CrossBuild=false /p:MonoLLVMUseCxx11Abi=false`
- 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 aot directory 
mkdir -p $RunDir/artifacts/bin/aot/sgen
mkdir -p $RunDir/artifacts/bin/aot/pack
cp -r $RunDir/artifacts/obj/mono/$RunOS.$RunArch.Release/mono/* $RunDir/artifacts/bin/aot/sgen
cp -r $RunDir/artifacts/bin/microsoft.netcore.app.runtime.$RunOS-$RunArch/Release/* $RunDir/artifacts/bin/aot/pack

# 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.Tests.Perf_DateTimeOffset*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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_DateTimeOffset* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages --buildTimeout 1200
```

Windows
```cmd
# Set $RunDir to the runtime directory
$RunDir="FullPathHere"

# Set the OS, arch, and OSId
RunOS='windows'
RunOSId='win'
RunArch='x64'

# Create aot directory
mkdir $RunDir\artifacts\bin\aot\sgen
mkdir $RunDir\artifacts\bin\aot\pack
xcopy $RunDir\artifacts\obj\mono\$RunOS.$RunArch.Release\mono $RunDir\artifacts\bin\aot\sgen\ /e /y
xcopy $RunDir\artifacts\bin\microsoft.netcore.app.runtime.$RunOSId-$RunArch\Release $RunDir\artifacts\bin\aot\pack\ /e /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.Tests.Perf_DateTimeOffset*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# 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_DateTimeOffset* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack -aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages --buildTimeout 1200
```

</details>

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-455e5fa0-573d-4cd0-9614-042ac4a1214d2c0c2d27946458a98/4e362ead-d589-4692-b017-23dc144730ba.zip?sv=2021-08-06&se=2023-05-12T11%3A46%3A04Z&sr=c&sp=rl&sig=CKIkYO7MyjbPB9T9PqhlVyOJSlfY93c7u3GN7Xh63s8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-95175e03-4481-4ac8-ae95-f44af55b9c80c2b5bc0e11c4f56b4/b8fbadd5-53d6-4bea-b75e-990fc2e439e5.zip?sv=2021-08-06&se=2023-05-17T10%3A24%3A37Z&sr=c&sp=rl&sig=Lvgsg3S7U0QkthdOPv4sAdgRC6iiNpXBHISefIGKruU%3D>)
### Histogram

#### System.Tests.Perf_DateTimeOffset.ToString(format: "s")

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 359.9288763771204 < 406.1741462192469.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 79.07822515942968 (T) = (0 -360.94198528025237) / Math.Sqrt((129.69057108280316 / (299)) + (1.2680702318305312 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.16857414048818833 = (434.12407871483174 - 360.94198528025237) / 434.12407871483174 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### System.Tests.Perf_DateTimeOffset.ToString(value: 12/30/2017 3:45:22 AM -08:00)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 515.7608226446163 < 699.9585637430304.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 134.5226603520639 (T) = (0 -516.3234000872018) / Math.Sqrt((477.5859862825786 / (299)) + (3.1434744971224227 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.29762236184694413 = (735.1079704714192 - 516.3234000872018) / 735.1079704714192 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### System.Tests.Perf_DateTimeOffset.ToString(format: null)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 478.1894215458109 < 689.209689766584.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 138.13101059355708 (T) = (0 -480.5469531399249) / Math.Sqrt((497.03463004474236 / (299)) + (4.331588312100689 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.3362558213495393 = (723.9942263855082 - 480.5469531399249) / 723.9942263855082 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```


### 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 | [e7ed417c2bf4a24a0694a387f33ba843a2318fdc](https://github.com/dotnet/runtime/commit/e7ed417c2bf4a24a0694a387f33ba843a2318fdc)
Compare | [c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8](https://github.com/dotnet/runtime/commit/c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e7ed417c2bf4a24a0694a387f33ba843a2318fdc...c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono


### Improvements in System.Text.Json.Tests.Perf_Guids

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[WriteGuids - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Text.Json.Tests.Perf_Guids.WriteGuids(Formatted%3a%20True%2c%20SkipValidation%3a%20True).html>) | 9.66 ms | 8.65 ms | 0.90 | 0.00 | False | | |
[WriteGuids - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Text.Json.Tests.Perf_Guids.WriteGuids(Formatted%3a%20False%2c%20SkipValidation%3a%20True).html>) | 8.53 ms | 7.57 ms | 0.89 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Text.Json.Tests.Perf_Guids_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Text.Json.Tests.Perf_Guids_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Text.Json.Tests.Perf_Guids.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-455e5fa0-573d-4cd0-9614-042ac4a1214d2c0c2d27946458a98/4e362ead-d589-4692-b017-23dc144730ba.zip?sv=2021-08-06&se=2023-05-12T11%3A46%3A04Z&sr=c&sp=rl&sig=CKIkYO7MyjbPB9T9PqhlVyOJSlfY93c7u3GN7Xh63s8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-95175e03-4481-4ac8-ae95-f44af55b9c80c2b5bc0e11c4f56b4/b8fbadd5-53d6-4bea-b75e-990fc2e439e5.zip?sv=2021-08-06&se=2023-05-17T10%3A24%3A37Z&sr=c&sp=rl&sig=Lvgsg3S7U0QkthdOPv4sAdgRC6iiNpXBHISefIGKruU%3D>)

<details>
   <summary>Repro Steps</summary>


#### Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))
- 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 $RunArch -framework net8.0`
- AOT MONO build extracted to `runtime/artifacts/bin/mono/$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 /p:CrossBuild=false /p:MonoLLVMUseCxx11Abi=false`
- 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 aot directory 
mkdir -p $RunDir/artifacts/bin/aot/sgen
mkdir -p $RunDir/artifacts/bin/aot/pack
cp -r $RunDir/artifacts/obj/mono/$RunOS.$RunArch.Release/mono/* $RunDir/artifacts/bin/aot/sgen
cp -r $RunDir/artifacts/bin/microsoft.netcore.app.runtime.$RunOS-$RunArch/Release/* $RunDir/artifacts/bin/aot/pack

# Create Core Root
$RunDir/src/tests/build.sh release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance 
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir/performance

# One line run:
python3 $RunDir/performance/scripts/benchmarks_ci.py --csproj $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.Text.Json.Tests.Perf_Guids*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# Individual Commands:
# Restore 
dotnet restore $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --packages $RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter System.Text.Json.Tests.Perf_Guids* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages --buildTimeout 1200
```

Windows
```cmd
# Set $RunDir to the runtime directory
$RunDir="FullPathHere"

# Set the OS, arch, and OSId
RunOS='windows'
RunOSId='win'
RunArch='x64'

# Create aot directory
mkdir $RunDir\artifacts\bin\aot\sgen
mkdir $RunDir\artifacts\bin\aot\pack
xcopy $RunDir\artifacts\obj\mono\$RunOS.$RunArch.Release\mono $RunDir\artifacts\bin\aot\sgen\ /e /y
xcopy $RunDir\artifacts\bin\microsoft.netcore.app.runtime.$RunOSId-$RunArch\Release $RunDir\artifacts\bin\aot\pack\ /e /y

# Create Core Root
$RunDir\src\tests\build.cmd release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance 
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir\performance

# One line run:
python3 $RunDir\performance\scripts\benchmarks_ci.py --csproj $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.Text.Json.Tests.Perf_Guids*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# Individual Commands:
# Restore 
dotnet restore $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --packages $RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter System.Text.Json.Tests.Perf_Guids* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack -aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages --buildTimeout 1200
```

</details>

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-455e5fa0-573d-4cd0-9614-042ac4a1214d2c0c2d27946458a98/4e362ead-d589-4692-b017-23dc144730ba.zip?sv=2021-08-06&se=2023-05-12T11%3A46%3A04Z&sr=c&sp=rl&sig=CKIkYO7MyjbPB9T9PqhlVyOJSlfY93c7u3GN7Xh63s8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-95175e03-4481-4ac8-ae95-f44af55b9c80c2b5bc0e11c4f56b4/b8fbadd5-53d6-4bea-b75e-990fc2e439e5.zip?sv=2021-08-06&se=2023-05-17T10%3A24%3A37Z&sr=c&sp=rl&sig=Lvgsg3S7U0QkthdOPv4sAdgRC6iiNpXBHISefIGKruU%3D>)
### Histogram

#### System.Text.Json.Tests.Perf_Guids.WriteGuids(Formatted: True, SkipValidation: True)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 8.652503455357143 < 9.184253331716747.
IsChangePoint: Marked as a change because one of 2/19/2023 8:14:07 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 25.49712479253569 (T) = (0 -8696002.018092105) / Math.Sqrt((4535515265.24563 / (299)) + (3939120084.87363 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.09654128891665703 = (9625234.56956287 - 8696002.018092105) / 9625234.56956287 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### System.Text.Json.Tests.Perf_Guids.WriteGuids(Formatted: False, SkipValidation: True)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 7.571306625000001 < 8.109449283001373.
IsChangePoint: Marked as a change because one of 2/19/2023 8:14:07 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 54.229434541975586 (T) = (0 -7554773.593402779) / Math.Sqrt((13128501214.897762 / (299)) + (546682267.5894954 / (2))) is greater than 1.9679296690655894 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (2) - 2, .975) and 0.11336031218943603 = (8520680.607088843 - 7554773.593402779) / 8520680.607088843 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```


### 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 | [e7ed417c2bf4a24a0694a387f33ba843a2318fdc](https://github.com/dotnet/runtime/commit/e7ed417c2bf4a24a0694a387f33ba843a2318fdc)
Compare | [c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8](https://github.com/dotnet/runtime/commit/c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e7ed417c2bf4a24a0694a387f33ba843a2318fdc...c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono


### Improvements in System.Globalization.Tests.Perf_DateTimeCultureInfo

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring%3a%20fr).html>) | 509.62 ns | 351.77 ns | 0.69 | 0.01 | False | | |
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring%3a%20da).html>) | 472.20 ns | 337.20 ns | 0.71 | 0.01 | False | | |
[ToString - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring%3a%20).html>) | 510.70 ns | 350.39 ns | 0.69 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Globalization.Tests.Perf_DateTimeCultureInfo_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Globalization.Tests.Perf_DateTimeCultureInfo_2.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Globalization.Tests.Perf_DateTimeCultureInfo.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-455e5fa0-573d-4cd0-9614-042ac4a1214d2c0c2d27946458a98/4e362ead-d589-4692-b017-23dc144730ba.zip?sv=2021-08-06&se=2023-05-12T11%3A46%3A04Z&sr=c&sp=rl&sig=CKIkYO7MyjbPB9T9PqhlVyOJSlfY93c7u3GN7Xh63s8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-95175e03-4481-4ac8-ae95-f44af55b9c80c2b5bc0e11c4f56b4/b8fbadd5-53d6-4bea-b75e-990fc2e439e5.zip?sv=2021-08-06&se=2023-05-17T10%3A24%3A37Z&sr=c&sp=rl&sig=Lvgsg3S7U0QkthdOPv4sAdgRC6iiNpXBHISefIGKruU%3D>)

<details>
   <summary>Repro Steps</summary>


#### Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))
- 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 $RunArch -framework net8.0`
- AOT MONO build extracted to `runtime/artifacts/bin/mono/$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 /p:CrossBuild=false /p:MonoLLVMUseCxx11Abi=false`
- 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 aot directory 
mkdir -p $RunDir/artifacts/bin/aot/sgen
mkdir -p $RunDir/artifacts/bin/aot/pack
cp -r $RunDir/artifacts/obj/mono/$RunOS.$RunArch.Release/mono/* $RunDir/artifacts/bin/aot/sgen
cp -r $RunDir/artifacts/bin/microsoft.netcore.app.runtime.$RunOS-$RunArch/Release/* $RunDir/artifacts/bin/aot/pack

# 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.Globalization.Tests.Perf_DateTimeCultureInfo*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# Individual Commands:
# Restore 
dotnet restore $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --packages $RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter System.Globalization.Tests.Perf_DateTimeCultureInfo* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages --buildTimeout 1200
```

Windows
```cmd
# Set $RunDir to the runtime directory
$RunDir="FullPathHere"

# Set the OS, arch, and OSId
RunOS='windows'
RunOSId='win'
RunArch='x64'

# Create aot directory
mkdir $RunDir\artifacts\bin\aot\sgen
mkdir $RunDir\artifacts\bin\aot\pack
xcopy $RunDir\artifacts\obj\mono\$RunOS.$RunArch.Release\mono $RunDir\artifacts\bin\aot\sgen\ /e /y
xcopy $RunDir\artifacts\bin\microsoft.netcore.app.runtime.$RunOSId-$RunArch\Release $RunDir\artifacts\bin\aot\pack\ /e /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.Globalization.Tests.Perf_DateTimeCultureInfo*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# Individual Commands:
# Restore 
dotnet restore $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --packages $RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter System.Globalization.Tests.Perf_DateTimeCultureInfo* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack -aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages --buildTimeout 1200
```

</details>

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-455e5fa0-573d-4cd0-9614-042ac4a1214d2c0c2d27946458a98/4e362ead-d589-4692-b017-23dc144730ba.zip?sv=2021-08-06&se=2023-05-12T11%3A46%3A04Z&sr=c&sp=rl&sig=CKIkYO7MyjbPB9T9PqhlVyOJSlfY93c7u3GN7Xh63s8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-95175e03-4481-4ac8-ae95-f44af55b9c80c2b5bc0e11c4f56b4/b8fbadd5-53d6-4bea-b75e-990fc2e439e5.zip?sv=2021-08-06&se=2023-05-17T10%3A24%3A37Z&sr=c&sp=rl&sig=Lvgsg3S7U0QkthdOPv4sAdgRC6iiNpXBHISefIGKruU%3D>)
### Histogram

#### System.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring: fr)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 351.76543134792223 < 377.3672182908526.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 32.338667456620634 (T) = (0 -352.18242457720606) / Math.Sqrt((639.311933166681 / (299)) + (0.42651181295565405 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.12177541213041508 = (401.01635668335973 - 352.18242457720606) / 401.01635668335973 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### System.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring: da)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 337.19649997114124 < 372.2624771526974.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 43.18788328157118 (T) = (0 -335.41848413315626) / Math.Sqrt((339.24413071786466 / (299)) + (2.3710451375018193 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.1515660790126753 = (395.33837089260754 - 335.41848413315626) / 395.33837089260754 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### System.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring: )

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 350.3934555259253 < 376.8134349723521.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 29.863182078569917 (T) = (0 -350.5740512092762) / Math.Sqrt((630.324943530217 / (299)) + (2.297967291203009 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.1261898140699447 = (401.2016074591034 - 350.5740512092762) / 401.2016074591034 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```


### 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 | [e7ed417c2bf4a24a0694a387f33ba843a2318fdc](https://github.com/dotnet/runtime/commit/e7ed417c2bf4a24a0694a387f33ba843a2318fdc)
Compare | [c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8](https://github.com/dotnet/runtime/commit/c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e7ed417c2bf4a24a0694a387f33ba843a2318fdc...c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8)
Configs | CompilationMode:tiered, LLVM:false, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono


### Improvements in System.Text.Json.Tests.Perf_DateTimes

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio | Baseline ETL | Compare ETL
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
[WriteDateTimes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted%3a%20True%2c%20SkipValidation%3a%20False).html>) | 23.29 ms | 15.17 ms | 0.65 | 0.01 | False | | |
[WriteDateTimes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted%3a%20False%2c%20SkipValidation%3a%20True).html>) | 22.04 ms | 13.95 ms | 0.63 | 0.01 | False | | |
[WriteDateTimes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted%3a%20True%2c%20SkipValidation%3a%20True).html>) | 23.19 ms | 15.05 ms | 0.65 | 0.01 | False | | |
[WriteDateTimes - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_ubuntu 18.04_LLVM=false_MonoAOT=true_MonoInterpreter=false_RunKind=micro_mono/System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted%3a%20False%2c%20SkipValidation%3a%20False).html>) | 22.13 ms | 14.11 ms | 0.64 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Text.Json.Tests.Perf_DateTimes_1.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Text.Json.Tests.Perf_DateTimes_2.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Text.Json.Tests.Perf_DateTimes_3.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/04_18_2023/refs/heads/main_x64_ubuntu%2018.04_LLVM%3Dfalse_MonoAOT%3Dtrue_MonoInterpreter%3Dfalse_RunKind%3Dmicro_mono_Improvement/System.Text.Json.Tests.Perf_DateTimes.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-455e5fa0-573d-4cd0-9614-042ac4a1214d2c0c2d27946458a98/4e362ead-d589-4692-b017-23dc144730ba.zip?sv=2021-08-06&se=2023-05-12T11%3A46%3A04Z&sr=c&sp=rl&sig=CKIkYO7MyjbPB9T9PqhlVyOJSlfY93c7u3GN7Xh63s8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-95175e03-4481-4ac8-ae95-f44af55b9c80c2b5bc0e11c4f56b4/b8fbadd5-53d6-4bea-b75e-990fc2e439e5.zip?sv=2021-08-06&se=2023-05-17T10%3A24%3A37Z&sr=c&sp=rl&sig=Lvgsg3S7U0QkthdOPv4sAdgRC6iiNpXBHISefIGKruU%3D>)

<details>
   <summary>Repro Steps</summary>


#### Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))
- 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 $RunArch -framework net8.0`
- AOT MONO build extracted to `runtime/artifacts/bin/mono/$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 /p:CrossBuild=false /p:MonoLLVMUseCxx11Abi=false`
- 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 aot directory 
mkdir -p $RunDir/artifacts/bin/aot/sgen
mkdir -p $RunDir/artifacts/bin/aot/pack
cp -r $RunDir/artifacts/obj/mono/$RunOS.$RunArch.Release/mono/* $RunDir/artifacts/bin/aot/sgen
cp -r $RunDir/artifacts/bin/microsoft.netcore.app.runtime.$RunOS-$RunArch/Release/* $RunDir/artifacts/bin/aot/pack

# Create Core Root
$RunDir/src/tests/build.sh release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance 
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir/performance

# One line run:
python3 $RunDir/performance/scripts/benchmarks_ci.py --csproj $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.Text.Json.Tests.Perf_DateTimes*' --bdn-artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# Individual Commands:
# Restore 
dotnet restore $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --packages $RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir/performance/artifacts/packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir/performance/src/benchmarks/micro/MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter System.Text.Json.Tests.Perf_DateTimes* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir/artifacts/bin/aot/sgen/mini/mono-sgen --customruntimepack $RunDir/artifacts/bin/aot/pack --aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir/artifacts/BenchmarkDotNet.Artifacts --packages $RunDir/performance/artifacts/packages --buildTimeout 1200
```

Windows
```cmd
# Set $RunDir to the runtime directory
$RunDir="FullPathHere"

# Set the OS, arch, and OSId
RunOS='windows'
RunOSId='win'
RunArch='x64'

# Create aot directory
mkdir $RunDir\artifacts\bin\aot\sgen
mkdir $RunDir\artifacts\bin\aot\pack
xcopy $RunDir\artifacts\obj\mono\$RunOS.$RunArch.Release\mono $RunDir\artifacts\bin\aot\sgen\ /e /y
xcopy $RunDir\artifacts\bin\microsoft.netcore.app.runtime.$RunOSId-$RunArch\Release $RunDir\artifacts\bin\aot\pack\ /e /y

# Create Core Root
$RunDir\src\tests\build.cmd release $RunArch generatelayoutonly /p:LibrariesConfiguration=Release

# Clone performance 
git clone --branch main --depth 1 --quiet https://github.com/dotnet/performance.git $RunDir\performance

# One line run:
python3 $RunDir\performance\scripts\benchmarks_ci.py --csproj $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --incremental no --architecture $RunArch -f net8.0 --filter 'System.Text.Json.Tests.Perf_DateTimes*' --bdn-artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --bdn-arguments="--anyCategories Libraries Runtime  --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack --aotcompilermode llvm --logBuildOutput --generateBinLog"

# Individual Commands:
# Restore 
dotnet restore $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --packages $RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Build
dotnet build $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore /p:NuGetPackageRoot=$RunDir\performance\artifacts\packages /p:UseSharedCompilation=false /p:BuildInParallel=false /m:1

# Run
dotnet run --project $RunDir\performance\src\benchmarks\micro\MicroBenchmarks.csproj --configuration Release --framework net8.0 --no-restore --no-build -- --filter System.Text.Json.Tests.Perf_DateTimes* --anyCategories Libraries Runtime " --category-exclusion-filter NoAOT NoWASM --runtimes monoaotllvm --aotcompilerpath $RunDir\artifacts\bin\aot\sgen\mini\mono-sgen.exe --customruntimepack $RunDir\artifacts\bin\aot\pack -aotcompilermode llvm --logBuildOutput --generateBinLog " --artifacts $RunDir\artifacts\BenchmarkDotNet.Artifacts --packages $RunDir\performance\artifacts\packages --buildTimeout 1200
```

</details>

<details>


### Payloads

[Baseline](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-455e5fa0-573d-4cd0-9614-042ac4a1214d2c0c2d27946458a98/4e362ead-d589-4692-b017-23dc144730ba.zip?sv=2021-08-06&se=2023-05-12T11%3A46%3A04Z&sr=c&sp=rl&sig=CKIkYO7MyjbPB9T9PqhlVyOJSlfY93c7u3GN7Xh63s8%3D>)
[Compare](<https://helixdi107v0xdeko0k025g8.blob.core.windows.net/helix-job-95175e03-4481-4ac8-ae95-f44af55b9c80c2b5bc0e11c4f56b4/b8fbadd5-53d6-4bea-b75e-990fc2e439e5.zip?sv=2021-08-06&se=2023-05-17T10%3A24%3A37Z&sr=c&sp=rl&sig=Lvgsg3S7U0QkthdOPv4sAdgRC6iiNpXBHISefIGKruU%3D>)
### Histogram

#### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: False)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 15.168363316964285 < 20.173003609989316.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 176.1170424133523 (T) = (0 -15120683.861364737) / Math.Sqrt((196695943379.9805 / (299)) + (1720154203.9210353 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.29012329099987866 = (21300436.638726447 - 15120683.861364737) / 21300436.638726447 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: False, SkipValidation: True)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 13.949476515837105 < 18.97951035280449.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 149.89952030309524 (T) = (0 -14007153.690152986) / Math.Sqrt((190737361827.40527 / (299)) + (2886052923.450142 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.29974781394453026 = (20003013.155953825 - 14007153.690152986) / 20003013.155953825 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: True)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 15.046107927884616 < 20.048345176447512.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 140.69317317303347 (T) = (0 -14988503.214757057) / Math.Sqrt((191721208366.76175 / (299)) + (3893662281.066287 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.2924594654829011 = (21183949.87078275 - 14988503.214757057) / 21183949.87078275 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```
#### System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: False, SkipValidation: False)

```log

```
### Description of detection logic
```
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsRegressionBase: Marked as not a regression because the compare was not 5% greater than the baseline, or the value was too small.
IsImprovementBase: Marked as improvement because the compare was 5% less than the baseline, and the value was not too small.
IsImprovementCheck: Marked as improvement because the three check build points were 0.05 less than the baseline.
IsImprovementWindowed: Marked as improvement because 14.114176623015876 < 19.022884216688034.
IsChangePoint: Marked as a change because one of 4/9/2023 4:09:45 AM, 4/12/2023 4:44:56 PM, 4/17/2023 11:29:15 PM falls between 4/9/2023 11:24:15 AM and 4/17/2023 11:29:15 PM.
IsImprovementStdDev: Marked as improvement because 105.23618219454957 (T) = (0 -14085761.678260194) / Math.Sqrt((191024073706.0113 / (299)) + (8014231894.914677 / (3))) is greater than 1.9679030112610798 = MathNet.Numerics.Distributions.StudentT.InvCDF(0, 1, (299) + (3) - 2, .975) and 0.30062625440177115 = (20140535.396008532 - 14085761.678260194) / 20140535.396008532 is greater than 0.05.
IsChangeEdgeDetector: Marked not as a regression because Edge Detector said so.

```


### 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	e7ed417c2bf4a24a0694a387f33ba843a2318fdc
Compare	c1b7a9feb6f3b4d9ca27dc4f74d8260e4edb73e8
Diff	Diff
Configs	CompilationMode:tiered, LLVM:false, MonoAOT:true, MonoInterpreter:false, RunKind:micro_mono

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ToString - Duration of single invocation	485.34 ns	359.93 ns	0.74	0.01	False
ToString - Duration of single invocation	643.49 ns	515.76 ns	0.80	0.01	False
ToString - Duration of single invocation	632.62 ns	478.19 ns	0.76	0.02	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
WriteGuids - Duration of single invocation	9.66 ms	8.65 ms	0.90	0.00	False
WriteGuids - Duration of single invocation	8.53 ms	7.57 ms	0.89	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
ToString - Duration of single invocation	509.62 ns	351.77 ns	0.69	0.01	False
ToString - Duration of single invocation	472.20 ns	337.20 ns	0.71	0.01	False
ToString - Duration of single invocation	510.70 ns	350.39 ns	0.69	0.01	False

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector
WriteDateTimes - Duration of single invocation	23.29 ms	15.17 ms	0.65	0.01	False
WriteDateTimes - Duration of single invocation	22.04 ms	13.95 ms	0.63	0.01	False
WriteDateTimes - Duration of single invocation	23.19 ms	15.05 ms	0.65	0.01	False
WriteDateTimes - Duration of single invocation	22.13 ms	14.11 ms	0.64	0.01	False

[Perf] Linux/x64: 21 Improvements on 4/17/2023 1:30:24 AM #16372

Description

Run Information

Improvements in System.Tests.Perf_DateTimeOffset

Repro

Payloads

Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))

Payloads

Histogram

System.Tests.Perf_DateTimeOffset.ToString(format: "s")

Description of detection logic

System.Tests.Perf_DateTimeOffset.ToString(value: 12/30/2017 3:45:22 AM -08:00)

Description of detection logic

System.Tests.Perf_DateTimeOffset.ToString(format: null)

Description of detection logic

Docs

Run Information

Improvements in System.Text.Json.Tests.Perf_Guids

Repro

Payloads

Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))

Payloads

Histogram

System.Text.Json.Tests.Perf_Guids.WriteGuids(Formatted: True, SkipValidation: True)

Description of detection logic

System.Text.Json.Tests.Perf_Guids.WriteGuids(Formatted: False, SkipValidation: True)

Description of detection logic

Docs

Run Information

Improvements in System.Globalization.Tests.Perf_DateTimeCultureInfo

Repro

Payloads

Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))

Payloads

Histogram

System.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring: fr)

Description of detection logic

System.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring: da)

Description of detection logic

System.Globalization.Tests.Perf_DateTimeCultureInfo.ToString(culturestring: )

Description of detection logic

Docs

Run Information

Improvements in System.Text.Json.Tests.Perf_DateTimes

Repro

Payloads

Prerequisites (Files either built locally (with build.(sh/cmd) or downloaded from payload above (if same system setup) (in this order))

Payloads

Histogram

System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: False)

Description of detection logic

System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: False, SkipValidation: True)

Description of detection logic

System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: True, SkipValidation: True)

Description of detection logic

System.Text.Json.Tests.Perf_DateTimes.WriteDateTimes(Formatted: False, SkipValidation: False)

Description of detection logic

Docs

Metadata

Metadata

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