dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/arm64: 1 Improvement on 6/10/2026 1:25:23 AM +00:00

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ampere arch-arm64 branch-refs/heads/main compilationmode-tiered kind-micro os-linux perf-improvement runkind-micro runtime-coreclr untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [4a1d144788851d4fcae6157f4c6cf9d938158da0](https://github.com/dotnet/runtime/commit/4a1d144788851d4fcae6157f4c6cf9d938158da0)
Compare | [bee7953796edc09e516e847e3c9006b486ab0f6d](https://github.com/dotnet/runtime/commit/bee7953796edc09e516e847e3c9006b486ab0f6d)
Diff | [Diff](https://github.com/dotnet/runtime/compare/4a1d144788851d4fcae6157f4c6cf9d938158da0...bee7953796edc09e516e847e3c9006b486ab0f6d)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Collections.CreateAddAndClear<Int32>

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

  • [Array - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 814.66 ns | 772.59 ns | 0.95 | 0.00 | 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.Collections.CreateAddAndClear*'
```

### System.Collections.CreateAddAndClear<Int32>.Array(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)

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