dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 1 Improvement on 3/23/2026 9:40:42 PM +00:00

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arch-wasm arch-x64 branch-refs/heads/main kind-micro os-linux perf-improvement untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [875672f5ce661b791d58bf8506fffe9c8c4a4a78](https://github.com/dotnet/runtime/commit/875672f5ce661b791d58bf8506fffe9c8c4a4a78)
Compare | [ec68eeeaad0026e7fa46e47173c42780ce627037](https://github.com/dotnet/runtime/commit/ec68eeeaad0026e7fa46e47173c42780ce627037)
Diff | [Diff](https://github.com/dotnet/runtime/compare/875672f5ce661b791d58bf8506fffe9c8c4a4a78...ec68eeeaad0026e7fa46e47173c42780ce627037)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Collections.IterateFor<String>

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

  • [IList - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 1.15 ms | 877.69 μs | 0.77 | 0.45 | False | | |

[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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.IterateFor*'
```

### System.Collections.IterateFor<String>.IList(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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