[Perf] Windows/x86: 6 Improvements on 5/6/2026 8:26:59 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [055e04bbff528e950acfa0f5e56aa80c2e7929f7](https://github.com/dotnet/runtime/commit/055e04bbff528e950acfa0f5e56aa80c2e7929f7)
Compare | [06ca6751830996c1c815bfdd73a3fb4c8b53d77f](https://github.com/dotnet/runtime/commit/06ca6751830996c1c815bfdd73a3fb4c8b53d77f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/055e04bbff528e950acfa0f5e56aa80c2e7929f7...06ca6751830996c1c815bfdd73a3fb4c8b53d77f)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Numerics.Tests.Perf_VectorConvert

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

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

| 548.20 ns | 426.16 ns | 0.78 | 0.17 | False | | |
|

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

| 548.10 ns | 430.06 ns | 0.78 | 0.16 | False | | |
|

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

| 547.09 ns | 431.37 ns | 0.79 | 0.18 | False | | |
|

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

| 548.09 ns | 432.49 ns | 0.79 | 0.16 | False | | |
|

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

| 547.95 ns | 432.60 ns | 0.79 | 0.19 | False | | |
|

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

| 548.05 ns | 435.34 ns | 0.79 | 0.17 | False | | |

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[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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Numerics.Tests.Perf_VectorConvert*'
```

### System.Numerics.Tests.Perf_VectorConvert.Widen_short

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tests.Perf_VectorConvert.Widen_ushort

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tests.Perf_VectorConvert.Widen_sbyte

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tests.Perf_VectorConvert.Widen_uint

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tests.Perf_VectorConvert.Widen_byte

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Numerics.Tests.Perf_VectorConvert.Widen_int

#### 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)