[Perf] Linux/arm64: 1 Improvement on 2/9/2026 8:41:54 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [0b70249c7b1b0dea711491c582fd9bf9bc1ca994](https://github.com/dotnet/runtime/commit/0b70249c7b1b0dea711491c582fd9bf9bc1ca994)
Compare | [89a5c3772916009196a070be2dde032fd495dd53](https://github.com/dotnet/runtime/commit/89a5c3772916009196a070be2dde032fd495dd53)
Diff | [Diff](https://github.com/dotnet/runtime/compare/0b70249c7b1b0dea711491c582fd9bf9bc1ca994...89a5c3772916009196a070be2dde032fd495dd53)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in Span.Sorting

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

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

| 11.56 μs | 10.34 μs | 0.89 | 0.10 | 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Span.Sorting*'
```

### Span.Sorting.QuickSortSpan(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)