[Perf] Linux/x64: 1 Improvement on 7/11/2026 2:08:14 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [26b900856a2f12c4c7126827cb3019accba8f17c](https://github.com/dotnet/runtime/commit/26b900856a2f12c4c7126827cb3019accba8f17c)
Compare | [b185cb0db7b255bb99551253e215916b592bf1da](https://github.com/dotnet/runtime/commit/b185cb0db7b255bb99551253e215916b592bf1da)
Diff | [Diff](https://github.com/dotnet/runtime/compare/26b900856a2f12c4c7126827cb3019accba8f17c...b185cb0db7b255bb99551253e215916b592bf1da)
Configs | CompilationMode:wasm, RunKind:micro

### Improvements in System.Memory.Constructors<String>

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

• [SpanFromMemory - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [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.Memory.Constructors*'
```

### System.Memory.Constructors<String>.SpanFromMemory

#### 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)

Start with the benchmark source at performance/src/benchmarks/micro/libraries/System.Memory/Constructors.cs lines 46-47, then run the provided benchmarks_ci.py command for System.Memory.Constructors.SpanFromMemory. Compare the linked benchmark report and history to understand the reported improvement; the issue does not define a code change or acceptance condition, so confirm the intended next step with maintainers.

Written by the indexing model from the issue text.