dotnet / dotnet/perf-autofiling-issues

[Perf] Windows/x64: 1 Improvement on 9/13/2026 9:32:44 AM +00:00

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arch-x64 branch-11.0 compilationmode-tiered kind-bepuphysics Look Again os-windows perf-improvement runkind-bepuphysics runtime-coreclr untriaged
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Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22631
Queue | ViperWindows
Baseline | [1fee94ef34a9c6e2e4cf4199d9a546ef8a2a927d](https://github.com/dotnet/sdk/commit/1fee94ef34a9c6e2e4cf4199d9a546ef8a2a927d)
Compare | [fb92951eceabe91c5015b35e49acdbc9c867aaf8](https://github.com/dotnet/sdk/commit/fb92951eceabe91c5015b35e49acdbc9c867aaf8)
Diff | [Diff](https://github.com/dotnet/sdk/compare/1fee94ef34a9c6e2e4cf4199d9a546ef8a2a927d...fb92951eceabe91c5015b35e49acdbc9c867aaf8)
Configs | CompilationMode:tiered, RunKind:bepuphysics

### Improvements in DemoBenchmarks.TwoBodyConstraintBenchmarks

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

  • [SwingLimit - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 61.82 μs | 49.48 μs | 0.80 | 0.00 | True | | |

![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 'DemoBenchmarks.TwoBodyConstraintBenchmarks*'
```

### DemoBenchmarks.TwoBodyConstraintBenchmarks.SwingLimit

#### 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 src/benchmarks/real-world/bepuphysics2/TwoBodyConstraintBenchmarks.cs around lines 136-150 and reproduce the reported benchmark using the provided benchmarks_ci.py command. Compare the baseline and test results for SwingLimit, then determine whether the observed improvement requires follow-up; completion is not defined by the issue beyond understanding or addressing that performance change.

Written by the indexing model from the issue text.

Assessment

Tech stack
git, python
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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