[Perf] Windows/x64: 1 Regression on 3/21/2026 8:54:55 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [435654e5061825b16b8a45ae7250cdb849a0ecdd](https://github.com/dotnet/sdk/commit/435654e5061825b16b8a45ae7250cdb849a0ecdd)
Compare | [e921c3d511279a7ed37f83dbd346019c5b3ffc0e](https://github.com/dotnet/sdk/commit/e921c3d511279a7ed37f83dbd346019c5b3ffc0e)
Diff | [Diff](https://github.com/dotnet/sdk/compare/435654e5061825b16b8a45ae7250cdb849a0ecdd...e921c3d511279a7ed37f83dbd346019c5b3ffc0e)
Configs | CompilationMode:tiered, RunKind:akadeindexedset

### Regressions in Akade.IndexedSet.Benchmarks.ConcurrentSetBenchmarks

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

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

| 20.25 μs | 22.44 μs | 1.11 | 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.ConcurrentSetBenchmarks*'
```

### Akade.IndexedSet.Benchmarks.ConcurrentSetBenchmarks.FullTextLookup

#### 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)