dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 3 Improvements on 5/26/2026 8:18:54 PM +00:00

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arch-wasm arch-x64 branch-refs/heads/main compilationmode-wasm kind-micro Look Again os-linux perf-improvement runkind-micro runtimetype-coreclr untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [758abdf6906992c73adcd2c5ad8a1f5ecd0d70c7](https://github.com/dotnet/runtime/commit/758abdf6906992c73adcd2c5ad8a1f5ecd0d70c7)
Compare | [5341a844e165c7dbdb7d7e9331976bc6993292b0](https://github.com/dotnet/runtime/commit/5341a844e165c7dbdb7d7e9331976bc6993292b0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/758abdf6906992c73adcd2c5ad8a1f5ecd0d70c7...5341a844e165c7dbdb7d7e9331976bc6993292b0)
Configs | CompilationMode:wasm, RunKind:micro, RuntimeType:coreclr

### Improvements in System.Collections.Tests.Perf_PriorityQueue<String, String>

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

  • [HeapSort - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 109.02 ms | 69.10 ms | 0.63 | 0.31 | False | | |
|
  • [K_Max_Elements - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 5.41 ms | 4.12 ms | 0.76 | 0.31 | False | | |
|
  • [K_Max_Elements - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 94.70 μs | 72.32 μs | 0.76 | 0.37 | False | | |

![graph]()
![graph]()
![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.Tests.Perf_PriorityQueue*'
```

### System.Collections.Tests.Perf_PriorityQueue<String, String>.HeapSort(Size: 1000)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_PriorityQueue<String, String>.K_Max_Elements(Size: 1000)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_PriorityQueue<String, String>.K_Max_Elements(Size: 10)

#### 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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