dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 1 Improvement on 3/5/2026 10:29:45 AM +00:00

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arch-wasm arch-x64 branch-refs/heads/main kind-micro os-linux perf-improvement untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [fc40302c0968b53f5de0bf8fddec81c232afb865](https://github.com/dotnet/runtime/commit/fc40302c0968b53f5de0bf8fddec81c232afb865)
Compare | [e722f654430bb3ebff09be6c9b582ca66898a634](https://github.com/dotnet/runtime/commit/e722f654430bb3ebff09be6c9b582ca66898a634)
Diff | [Diff](https://github.com/dotnet/runtime/compare/fc40302c0968b53f5de0bf8fddec81c232afb865...e722f654430bb3ebff09be6c9b582ca66898a634)
Configs | CompilationMode:wasm, RunKind:micro

### Improvements in System.Globalization.Tests.StringSearch

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

  • [IsSuffix_DifferentLastChar - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 145.01 ns | 135.58 ns | 0.93 | 0.13 | 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.Globalization.Tests.StringSearch*'
```

### System.Globalization.Tests.StringSearch.IsSuffix_DifferentLastChar(Options: (, IgnoreCase, False))

#### 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)

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