dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 1 Improvement on 8/19/2026 1:36:30 AM +00:00

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

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [6550ccf7827cdc363035f8927f68a34edb01bf22](https://github.com/dotnet/runtime/commit/6550ccf7827cdc363035f8927f68a34edb01bf22)
Compare | [22645b47c400e6cc0aec97ddcb3f1998677b6d94](https://github.com/dotnet/runtime/commit/22645b47c400e6cc0aec97ddcb3f1998677b6d94)
Diff | [Diff](https://github.com/dotnet/runtime/compare/6550ccf7827cdc363035f8927f68a34edb01bf22...22645b47c400e6cc0aec97ddcb3f1998677b6d94)
Configs | AOT:true, CompilationMode:wasm, RunKind:micro

### Improvements in System.Collections.TryGetValueTrue<Int32, Int32>

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

  • [OrderedDictionary - Duration of single invocation]()
  • [ADX - Test Multi Config Graph]()
| 28.54 μs | 23.85 μs | 0.84 | 0.09 | 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.TryGetValueTrue*'
```

### System.Collections.TryGetValueTrue<Int32, Int32>.OrderedDictionary(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)

Contributor guide

No contributing guide indexed for this repository

Research direction

Start with the benchmark command in the Repro section and the linked Test Report, comparing the listed baseline and compare commits for System.Collections.TryGetValueTrue.OrderedDictionary(Size: 512) under AOT wasm. Confirm the reported improvement and determine whether any follow-up is warranted; done means a triage decision supported by a reproducible result.

Written by the indexing model from the issue text.

Assessment

Tech stack
python, wasm
Domain
performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
35/100

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