[Perf] Windows/x86: 1 Improvement on 3/13/2026 10:36:14 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [e1feb1b7e0b3062d78a3c455e291830284afa15c](https://github.com/dotnet/runtime/commit/e1feb1b7e0b3062d78a3c455e291830284afa15c)
Compare | [8cf2e90c41f50c41d49698b3e37598f96bff9be0](https://github.com/dotnet/runtime/commit/8cf2e90c41f50c41d49698b3e37598f96bff9be0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/e1feb1b7e0b3062d78a3c455e291830284afa15c...8cf2e90c41f50c41d49698b3e37598f96bff9be0)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Reflection.Attributes

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

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

| 353.47 ns | 332.52 ns | 0.94 | 0.04 | 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.Reflection.Attributes*'
```

### System.Reflection.Attributes.IsDefinedMethodOverrideMiss

#### 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)