dotnet / dotnet/perf-autofiling-issues

[Perf] Windows/x86: 1 Improvement on 6/9/2026 11:01:05 PM +00:00

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arch-x86 branch-refs/heads/main compilationmode-tiered kind-micro Look Again os-windows perf-improvement runkind-micro runtime-coreclr untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x86
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [4a1d144788851d4fcae6157f4c6cf9d938158da0](https://github.com/dotnet/runtime/commit/4a1d144788851d4fcae6157f4c6cf9d938158da0)
Compare | [24547a76ba95bee359f4c0b58dd98976973aa797](https://github.com/dotnet/runtime/commit/24547a76ba95bee359f4c0b58dd98976973aa797)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4a1d144788851d4fcae6157f4c6cf9d938158da0...24547a76ba95bee359f4c0b58dd98976973aa797)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Memory.ReadOnlySequence

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

  • [Slice_Repeat - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 26.74 ns | 24.67 ns | 0.92 | 0.01 | 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.Memory.ReadOnlySequence*'
```

### System.Memory.ReadOnlySequence.Slice_Repeat(Segment: Multiple)

#### 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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