[Perf] Linux/x64: 1 Improvement on 6/13/2026 1:50:09 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [1f254ec3b14c88b71efc7324b3d001f1fb056ecb](https://github.com/dotnet/runtime/commit/1f254ec3b14c88b71efc7324b3d001f1fb056ecb)
Compare | [9405cacd3a6016d414a20beb8aba2e4d65b346d9](https://github.com/dotnet/runtime/commit/9405cacd3a6016d414a20beb8aba2e4d65b346d9)
Diff | [Diff](https://github.com/dotnet/runtime/compare/1f254ec3b14c88b71efc7324b3d001f1fb056ecb...9405cacd3a6016d414a20beb8aba2e4d65b346d9)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Tests.Perf_Int16

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

• [CopySign - 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.Tests.Perf_Int16*'
```

### System.Tests.Perf_Int16.CopySign(value: 1, sign: -1)

#### 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)