[Perf] Linux/x64: 1 Improvement on 4/26/2026 11:27:22 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [932247a4703f30a573f3efbe680a5bc649b7b4ef](https://github.com/dotnet/runtime/commit/932247a4703f30a573f3efbe680a5bc649b7b4ef)
Compare | [a9bbe530c25e60e1da9cf29f3646062498d69b28](https://github.com/dotnet/runtime/commit/a9bbe530c25e60e1da9cf29f3646062498d69b28)
Diff | [Diff](https://github.com/dotnet/runtime/compare/932247a4703f30a573f3efbe680a5bc649b7b4ef...a9bbe530c25e60e1da9cf29f3646062498d69b28)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Collections.Perf_SingleCharFrozenDictionary

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

• [ToFrozenDictionary - Duration of single invocation]()
• [ADX - Test Multi Config Graph]()

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

### System.Collections.Perf_SingleCharFrozenDictionary.ToFrozenDictionary(Count: 10000)

#### 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)