[Perf] Windows/x64: 1 Improvement on 11/27/2025 5:54:26 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [eeaef45074f577f35bfd1b6b02a029d4053a9683](https://github.com/dotnet/runtime/commit/eeaef45074f577f35bfd1b6b02a029d4053a9683)
Compare | [805ac0b1795274fc83473839b7ac23b6047b9a76](https://github.com/dotnet/runtime/commit/805ac0b1795274fc83473839b7ac23b6047b9a76)
Diff | [Diff](https://github.com/dotnet/runtime/compare/eeaef45074f577f35bfd1b6b02a029d4053a9683...805ac0b1795274fc83473839b7ac23b6047b9a76)
Configs | CompilationMode:tiered, RunKind:micro

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

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

• [ConcurrentDictionary - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 1.31 μs | 949.61 ns | 0.72 | 0.20 | 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.IterateForEach*'
```

### System.Collections.IterateForEach<Int32>.ConcurrentDictionary(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)