[Perf] Windows/x86: 1 Improvement on 5/8/2026 12:43:37 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [41fad311c8c3d2ae2c5582e16150856313f2bbfe](https://github.com/dotnet/runtime/commit/41fad311c8c3d2ae2c5582e16150856313f2bbfe)
Compare | [fd9ddfa558190fb46fba3bd9b86b061f25dc57fe](https://github.com/dotnet/runtime/commit/fd9ddfa558190fb46fba3bd9b86b061f25dc57fe)
Diff | [Diff](https://github.com/dotnet/runtime/compare/41fad311c8c3d2ae2c5582e16150856313f2bbfe...fd9ddfa558190fb46fba3bd9b86b061f25dc57fe)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Buffers.Text.Tests.Base64Tests

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

• [Base64Encode - 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Buffers.Text.Tests.Base64Tests*'
```

### System.Buffers.Text.Tests.Base64Tests.Base64Encode(NumberOfBytes: 1000)

#### 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)