[Perf] Linux/x64: 1 Improvement on 3/22/2026 11:21:21 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [f1949423fa100cd635625cab4e51842930ecb928](https://github.com/dotnet/runtime/commit/f1949423fa100cd635625cab4e51842930ecb928)
Compare | [509a2f1fed4126559143296ec6886babaf8e24c3](https://github.com/dotnet/runtime/commit/509a2f1fed4126559143296ec6886babaf8e24c3)
Diff | [Diff](https://github.com/dotnet/runtime/compare/f1949423fa100cd635625cab4e51842930ecb928...509a2f1fed4126559143296ec6886babaf8e24c3)
Configs | CompilationMode:wasm, RunKind:micro

### Improvements in System.Globalization.Tests.StringSearch

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

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

| 8.22 μs | 5.85 μs | 0.71 | 0.13 | 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.Globalization.Tests.StringSearch*'
```

### System.Globalization.Tests.StringSearch.IndexOf_Word_NotFound(Options: (pl-PL, None, 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)