[Perf] Linux/x64: 1 Improvement on 1/21/2026 11:16:49 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [212076ab3e7e92b1d7701d9ab1a660700ee37b81](https://github.com/dotnet/runtime/commit/212076ab3e7e92b1d7701d9ab1a660700ee37b81)
Compare | [614b68725fd6d4678494c775eafea09bda82356f](https://github.com/dotnet/runtime/commit/614b68725fd6d4678494c775eafea09bda82356f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/212076ab3e7e92b1d7701d9ab1a660700ee37b81...614b68725fd6d4678494c775eafea09bda82356f)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Text.RegularExpressions.Tests.Perf_Regex_Cache

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

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

| 67.90 ms | 50.37 ms | 0.74 | 0.50 | 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.RegularExpressions.Tests.Perf_Regex_Cache*'
```

### System.Text.RegularExpressions.Tests.Perf_Regex_Cache.IsMatch(total: 40000, unique: 1600, cacheSize: 800)

#### 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)