[Perf] Linux/x64: 1 Regression on 2/27/2026 9:11:14 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [eae0a64e4c28b1a692c02650a8d15d6383a6e72b](https://github.com/dotnet/runtime/commit/eae0a64e4c28b1a692c02650a8d15d6383a6e72b)
Compare | [b41bbeab8b775a5058bad74e73a84476bfd8d9a7](https://github.com/dotnet/runtime/commit/b41bbeab8b775a5058bad74e73a84476bfd8d9a7)
Diff | [Diff](https://github.com/dotnet/runtime/compare/eae0a64e4c28b1a692c02650a8d15d6383a6e72b...b41bbeab8b775a5058bad74e73a84476bfd8d9a7)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro

### Regressions in System.Text.Encodings.Web.Tests.Perf_Encoders

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

• [EncodeUtf8 - Duration of single invocation]()
• 📝 - [Benchmark Source]()
• [ADX - Test Multi Config Graph]()

| 40.23 ns | 43.83 ns | 1.09 | 0.18 | False | | |

![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.Text.Encodings.Web.Tests.Perf_Encoders*'
```

### System.Text.Encodings.Web.Tests.Perf_Encoders.EncodeUtf8(arguments: UnsafeRelaxed,no <escaping /> required,16)

#### 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)