[Perf] Linux/x64: 2 Improvements on 2/28/2026 9:09:22 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [6ef43c52dd9fdd37b41808a9c42e7b52403c1d15](https://github.com/dotnet/runtime/commit/6ef43c52dd9fdd37b41808a9c42e7b52403c1d15)
Compare | [1d9d70afa98a83699719b304148a9945d37d916b](https://github.com/dotnet/runtime/commit/1d9d70afa98a83699719b304148a9945d37d916b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6ef43c52dd9fdd37b41808a9c42e7b52403c1d15...1d9d70afa98a83699719b304148a9945d37d916b)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro

### Improvements in System.Numerics.Tests.Perf_Vector4

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

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

| 5.96 ns | 2.59 ns | 0.44 | 0.63 | False | | |
|

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

| 3.20 ns | 1.75 ns | 0.55 | 0.64 | False | | |

![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.Numerics.Tests.Perf_Vector4*'
```

### System.Numerics.Tests.Perf_Vector4.AddOperatorBenchmark

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tests.Perf_Vector4.NegateOperatorBenchmark

#### 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)