[Perf] Windows/x64: 1 Regression on 2/27/2026 10:09:06 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [b34aec96fd080aabc9233e099921aeaa4379071a](https://github.com/dotnet/sdk/commit/b34aec96fd080aabc9233e099921aeaa4379071a)
Compare | [65c791374d87e3d2b5227a0f05e10ab6b97c9448](https://github.com/dotnet/sdk/commit/65c791374d87e3d2b5227a0f05e10ab6b97c9448)
Diff | [Diff](https://github.com/dotnet/sdk/compare/b34aec96fd080aabc9233e099921aeaa4379071a...65c791374d87e3d2b5227a0f05e10ab6b97c9448)
Configs | CompilationMode:tiered, RunKind:akadeindexedset

### Regressions in Akade.IndexedSet.Benchmarks.PrefixIndexBenchmarks

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

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

| 17.78 μs | 22.95 μs | 1.29 | 0.00 | True | | |

![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 'Akade.IndexedSet.Benchmarks.PrefixIndexBenchmarks*'
```

### Akade.IndexedSet.Benchmarks.PrefixIndexBenchmarks.FuzzyStartsWith_IndexedSet

#### 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)