dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 2 Improvements on 9/15/2026 12:35:47 PM +00:00

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

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [c9b72963eb22ce3f8eb2ad8ebedf9ecef57615da](https://github.com/dotnet/sdk/commit/c9b72963eb22ce3f8eb2ad8ebedf9ecef57615da)
Compare | [1c83110633092213f4f794b69557f885a96e7a08](https://github.com/dotnet/sdk/commit/1c83110633092213f4f794b69557f885a96e7a08)
Diff | [Diff](https://github.com/dotnet/sdk/compare/c9b72963eb22ce3f8eb2ad8ebedf9ecef57615da...1c83110633092213f4f794b69557f885a96e7a08)
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]()
| 74.41 μs | 49.62 μs | 0.67 | 0.00 | True | | |
|
  • [PointOnLineServo - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 113.83 μs | 102.17 μs | 0.90 | 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'DemoBenchmarks.TwoBodyConstraintBenchmarks*'
```

### DemoBenchmarks.TwoBodyConstraintBenchmarks.SwingLimit

#### ETL Files

#### Histogram

#### JIT Disasms

### DemoBenchmarks.TwoBodyConstraintBenchmarks.PointOnLineServo

#### 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 benchmarking workflow linked in the issue and run scripts/benchmarks_ci.py using the supplied filter for DemoBenchmarks.TwoBodyConstraintBenchmarks. Review the benchmark source links for SwingLimit and PointOnLineServo, then compare the reported baseline and test results to determine whether the improvements are reproducible and what change explains them.

Written by the indexing model from the issue text.

Assessment

Tech stack
git, python, ubuntu
Domain
performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
25/100

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