dotnet / dotnet/perf-autofiling-issues

[Perf] Windows/x64: 1 Improvement on 5/29/2026 1:35:50 AM +00:00

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arch-x64 branch-refs/heads/main compilationmode-tiered kind-micro Look Again os-windows perf-improvement runkind-micro runtime-coreclr untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [df1507806b4e2cd19bde86e5a945bd4bfd7839f5](https://github.com/dotnet/runtime/commit/df1507806b4e2cd19bde86e5a945bd4bfd7839f5)
Compare | [b7575a1ea0c24a2e76330e6fdee08fc89fd1e477](https://github.com/dotnet/runtime/commit/b7575a1ea0c24a2e76330e6fdee08fc89fd1e477)
Diff | [Diff](https://github.com/dotnet/runtime/compare/df1507806b4e2cd19bde86e5a945bd4bfd7839f5...b7575a1ea0c24a2e76330e6fdee08fc89fd1e477)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Collections.CreateAddAndClear<Int32>

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|

  • [ImmutableDictionary - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 115.57 μs | 108.87 μs | 0.94 | 0.24 | False | | |

![graph]()
[Test Report]()

### 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.Collections.CreateAddAndClear*'
```

### System.Collections.CreateAddAndClear<Int32>.ImmutableDictionary(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

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