dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/arm64: 1 Improvement on 3/9/2026 11:27:42 AM +00:00

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

### Run Information

Name | Value
-- | --
Architecture | arm64
OS | ubuntu 22.04
Queue | AmpereUbuntu
Baseline | [9e13695c5a3729723d54a7dbe9481946c883bc5a](https://github.com/dotnet/runtime/commit/9e13695c5a3729723d54a7dbe9481946c883bc5a)
Compare | [e3b528cdef1842fc57d4a353ecfe4e34e13b7b4f](https://github.com/dotnet/runtime/commit/e3b528cdef1842fc57d4a353ecfe4e34e13b7b4f)
Diff | [Diff](https://github.com/dotnet/runtime/compare/9e13695c5a3729723d54a7dbe9481946c883bc5a...e3b528cdef1842fc57d4a353ecfe4e34e13b7b4f)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Buffers.Tests.RentReturnArrayPoolTests<Object>

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

  • [ProducerConsumer - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 2.16 μs | 1.12 μs | 0.52 | 0.70 | 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.Buffers.Tests.RentReturnArrayPoolTests*'
```

### System.Buffers.Tests.RentReturnArrayPoolTests<Object>.ProducerConsumer(RentalSize: 4096, ManipulateArray: False, Async: False, UseSharedPool: 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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