[Perf] Windows/x64: 1 Regression on 3/22/2026 11:21:21 AM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [ebb0dea8739963992b38dae9a60185da2802d8d0](https://github.com/dotnet/runtime/commit/ebb0dea8739963992b38dae9a60185da2802d8d0)
Compare | [bfd735b659c926430e0ec595594643cbf7737db1](https://github.com/dotnet/runtime/commit/bfd735b659c926430e0ec595594643cbf7737db1)
Diff | [Diff](https://github.com/dotnet/runtime/compare/ebb0dea8739963992b38dae9a60185da2802d8d0...bfd735b659c926430e0ec595594643cbf7737db1)
Configs | CompilationMode:tiered, RunKind:micro

### Regressions in System.Collections.Perf_Frozen<ReferenceType>

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

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

| 132.43 ns | 151.59 ns | 1.14 | 0.14 | 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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Perf_Frozen*'
```

### System.Collections.Perf_Frozen<ReferenceType>.ToFrozenSet(Count: 4)

#### 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)