dotnet / dotnet/perf-autofiling-issues

[Perf] Windows/x64: 2 Improvements on 9/3/2026 2:45:47 PM +00:00

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arch-x64 branch-11.0 compilationmode-tiered kind-bepuphysics 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 | [147c024e64965dd98d68ed8419e4f5320852e8ca](https://github.com/dotnet/sdk/commit/147c024e64965dd98d68ed8419e4f5320852e8ca)
Compare | [1fee94ef34a9c6e2e4cf4199d9a546ef8a2a927d](https://github.com/dotnet/sdk/commit/1fee94ef34a9c6e2e4cf4199d9a546ef8a2a927d)
Diff | [Diff](https://github.com/dotnet/sdk/compare/147c024e64965dd98d68ed8419e4f5320852e8ca...1fee94ef34a9c6e2e4cf4199d9a546ef8a2a927d)
Configs | CompilationMode:tiered, RunKind:bepuphysics

### Improvements in DemoBenchmarks.TwoBodyConstraintBenchmarks

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

  • [BallSocket - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 79.90 μs | 68.52 μs | 0.86 | 0.00 | True | | |
|
  • [AngularHinge - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 116.71 μs | 100.42 μs | 0.86 | 0.00 | True | | |

![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
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'DemoBenchmarks.TwoBodyConstraintBenchmarks*'
```

### DemoBenchmarks.TwoBodyConstraintBenchmarks.BallSocket

#### ETL Files

#### Histogram

#### JIT Disasms

### DemoBenchmarks.TwoBodyConstraintBenchmarks.AngularHinge

#### 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, especially BallSocket and AngularHinge, and run the documented benchmarks_ci.py command. Compare the linked baseline and test reports to determine what change is appropriate; done means the reported performance behavior is explained and any resulting fix is validated by those benchmarks.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, python
Domain
performance
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
25/100

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