[Perf] Linux/x64: 1 Regression on 5/27/2026 9:15:14 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [d78013e4cb65077b47ed973db979946417a92930](https://github.com/dotnet/runtime/commit/d78013e4cb65077b47ed973db979946417a92930)
Compare | [832949cd5f36aac20268e974fd07b3ffc73acdfd](https://github.com/dotnet/runtime/commit/832949cd5f36aac20268e974fd07b3ffc73acdfd)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d78013e4cb65077b47ed973db979946417a92930...832949cd5f36aac20268e974fd07b3ffc73acdfd)
Configs | CompilationMode:tiered, RunKind:micro

### Regressions in System.Collections.ContainsKeyFalse<Int32, Int32>

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

• [IDictionary - 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.ContainsKeyFalse*'
```

### System.Collections.ContainsKeyFalse<Int32, Int32>.IDictionary(Size: 512)

#### 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)