dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 5 Improvements on 6/29/2026 8:57:59 AM +00:00

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arch-x64 branch-11.0 compilationmode-tiered kind-bepuphysics Noise 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 | [b97dd2f4b6aec05e98c71ec9830fa19de920af8b](https://github.com/dotnet/sdk/commit/b97dd2f4b6aec05e98c71ec9830fa19de920af8b)
Compare | [7c528f6e19c5245206de3dc561eb8a110bf9f746](https://github.com/dotnet/sdk/commit/7c528f6e19c5245206de3dc561eb8a110bf9f746)
Diff | [Diff](https://github.com/dotnet/sdk/compare/b97dd2f4b6aec05e98c71ec9830fa19de920af8b...7c528f6e19c5245206de3dc561eb8a110bf9f746)
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]()
| 76.57 μs | 48.95 μs | 0.64 | 0.00 | True | | |
|
  • [AngularHinge - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 118.26 μs | 97.08 μs | 0.82 | 0.00 | True | | |
|
  • [LinearAxisServo - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 96.77 μs | 86.63 μs | 0.90 | 0.00 | True | | |

![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 'DemoBenchmarks.TwoBodyConstraintBenchmarks*'
```

### DemoBenchmarks.TwoBodyConstraintBenchmarks.SwingLimit

#### ETL Files

#### Histogram

#### JIT Disasms

### DemoBenchmarks.TwoBodyConstraintBenchmarks.AngularHinge

#### ETL Files

#### Histogram

#### JIT Disasms

### DemoBenchmarks.TwoBodyConstraintBenchmarks.LinearAxisServo

#### 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)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [b97dd2f4b6aec05e98c71ec9830fa19de920af8b](https://github.com/dotnet/sdk/commit/b97dd2f4b6aec05e98c71ec9830fa19de920af8b)
Compare | [7c528f6e19c5245206de3dc561eb8a110bf9f746](https://github.com/dotnet/sdk/commit/7c528f6e19c5245206de3dc561eb8a110bf9f746)
Diff | [Diff](https://github.com/dotnet/sdk/compare/b97dd2f4b6aec05e98c71ec9830fa19de920af8b...7c528f6e19c5245206de3dc561eb8a110bf9f746)
Configs | CompilationMode:tiered, RunKind:bepuphysics

### Improvements in DemoBenchmarks.OneBodyConstraintBenchmarks

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

  • [OneBodyLinearMotor - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 71.53 μs | 37.63 μs | 0.53 | 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'DemoBenchmarks.OneBodyConstraintBenchmarks*'
```

### DemoBenchmarks.OneBodyConstraintBenchmarks.OneBodyLinearMotor

#### 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)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [b97dd2f4b6aec05e98c71ec9830fa19de920af8b](https://github.com/dotnet/sdk/commit/b97dd2f4b6aec05e98c71ec9830fa19de920af8b)
Compare | [7c528f6e19c5245206de3dc561eb8a110bf9f746](https://github.com/dotnet/sdk/commit/7c528f6e19c5245206de3dc561eb8a110bf9f746)
Diff | [Diff](https://github.com/dotnet/sdk/compare/b97dd2f4b6aec05e98c71ec9830fa19de920af8b...7c528f6e19c5245206de3dc561eb8a110bf9f746)
Configs | CompilationMode:tiered, RunKind:bepuphysics

### Improvements in DemoBenchmarks.GatherScatterBenchmarks

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

  • [ScatterState - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 22.72 μs | 20.12 μs | 0.89 | 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
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'DemoBenchmarks.GatherScatterBenchmarks*'
```

### DemoBenchmarks.GatherScatterBenchmarks.ScatterState

#### 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 sources at src/benchmarks/real-world/bepuphysics2/TwoBodyConstraintBenchmarks.cs, OneBodyConstraintBenchmarks.cs, and GatherScatterBenchmarks.cs, then run the listed benchmarks with scripts/benchmarks_ci.py. Compare the reported baseline and test results with the linked reports; done means the performance findings are explained and any necessary follow-up is identified.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, linux, python, ubuntu
Domain
performance, testing
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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