[Perf] Windows/x64: 2 Regressions on 3/21/2025 1:02:12 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [d34ef7e2d3f41f85d35d23ec484f7af566fd0d2f](https://github.com/dotnet/runtime/commit/d34ef7e2d3f41f85d35d23ec484f7af566fd0d2f)
Compare | [1f067293272ab6d42e329782798bc2f7398d1907](https://github.com/dotnet/runtime/commit/1f067293272ab6d42e329782798bc2f7398d1907)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d34ef7e2d3f41f85d35d23ec484f7af566fd0d2f...1f067293272ab6d42e329782798bc2f7398d1907)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in PerfLabTests.StackWalk

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[Walk - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/PerfLabTests.StackWalk.Walk.html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/runtime/perflab/StackWalk.cs#L16-#L20>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 20.09 ms | 21.77 ms | 1.08 | 0.02 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/PerfLabTests.StackWalk_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/PerfLabTests.StackWalk.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'PerfLabTests.StackWalk*'
```

<details>

### PerfLabTests.StackWalk.Walk

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [d34ef7e2d3f41f85d35d23ec484f7af566fd0d2f](https://github.com/dotnet/runtime/commit/d34ef7e2d3f41f85d35d23ec484f7af566fd0d2f)
Compare | [1f067293272ab6d42e329782798bc2f7398d1907](https://github.com/dotnet/runtime/commit/1f067293272ab6d42e329782798bc2f7398d1907)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d34ef7e2d3f41f85d35d23ec484f7af566fd0d2f...1f067293272ab6d42e329782798bc2f7398d1907)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Tests.Perf_GC&lt;Char&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[AllocateUninitializedArray - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22631/ViperWindows/System.Tests.Perf_GC(Char).AllocateUninitializedArray(length%3a%2010000%2c%20pinned%3a%20False).html>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 111.36 ns | 117.01 ns | 1.05 | 0.03 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/System.Tests.Perf_GC%28Char%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/03_25_2025/refs/heads/main_x64_Windows%2010.0.22631/ViperWindows_Regression/System.Tests.Perf_GC%28Char%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_GC&lt;Char&gt;*'
```

<details>

### System.Tests.Perf_GC&lt;Char&gt;.AllocateUninitializedArray(length: 10000, pinned: False)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

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[Perf] Windows/x64: 2 Regressions on 3/21/2025 1:02:12 AM +00:00 #113933

Run Information

Regressions in PerfLabTests.StackWalk

Repro

PerfLabTests.StackWalk.Walk

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Tests.Perf_GC<Char>

Repro

System.Tests.Perf_GC<Char>.AllocateUninitializedArray(length: 10000, pinned: False)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Assignees

Labels

Type

Projects

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Development

Name	Value
Architecture	x64
OS	Windows 10.0.22631
Queue	ViperWindows
Baseline	d34ef7e2d3f41f85d35d23ec484f7af566fd0d2f
Compare	1f067293272ab6d42e329782798bc2f7398d1907
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

[Perf] Windows/x64: 2 Regressions on 3/21/2025 1:02:12 AM +00:00 #113933

Description

Run Information

Regressions in PerfLabTests.StackWalk

Repro

PerfLabTests.StackWalk.Walk

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Tests.Perf_GC<Char>

Repro

System.Tests.Perf_GC<Char>.AllocateUninitializedArray(length: 10000, pinned: False)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions