dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 6 Improvements on 8/2/2026 9:10:57 AM +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 | [77a60772669bc6602e26076c7ff0c3ebae137445](https://github.com/dotnet/sdk/commit/77a60772669bc6602e26076c7ff0c3ebae137445)
Compare | [5da2de22f7c6e2ebe7ed4c16c614b00183145d3c](https://github.com/dotnet/sdk/commit/5da2de22f7c6e2ebe7ed4c16c614b00183145d3c)
Diff | [Diff](https://github.com/dotnet/sdk/compare/77a60772669bc6602e26076c7ff0c3ebae137445...5da2de22f7c6e2ebe7ed4c16c614b00183145d3c)
Configs | CompilationMode:tiered, RunKind:bepuphysics

### Improvements in DemoBenchmarks.TwoBodyConstraintBenchmarks

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

  • [AngularSwivelHinge - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 64.82 μs | 44.03 μs | 0.68 | 0.00 | True | | |
|
  • [AngularHinge - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 137.11 μs | 96.94 μs | 0.71 | 0.00 | True | | |
|
  • [LinearAxisServo - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 110.12 μs | 86.96 μs | 0.79 | 0.00 | True | | |
|
  • [SwingLimit - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 59.49 μs | 51.71 μs | 0.87 | 0.00 | True | | |

![graph]()
![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.AngularSwivelHinge

#### ETL Files

#### Histogram

#### JIT Disasms

### DemoBenchmarks.TwoBodyConstraintBenchmarks.AngularHinge

#### ETL Files

#### Histogram

#### JIT Disasms

### DemoBenchmarks.TwoBodyConstraintBenchmarks.LinearAxisServo

#### ETL Files

#### Histogram

#### JIT Disasms

### 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)

---

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [77a60772669bc6602e26076c7ff0c3ebae137445](https://github.com/dotnet/sdk/commit/77a60772669bc6602e26076c7ff0c3ebae137445)
Compare | [5da2de22f7c6e2ebe7ed4c16c614b00183145d3c](https://github.com/dotnet/sdk/commit/5da2de22f7c6e2ebe7ed4c16c614b00183145d3c)
Diff | [Diff](https://github.com/dotnet/sdk/compare/77a60772669bc6602e26076c7ff0c3ebae137445...5da2de22f7c6e2ebe7ed4c16c614b00183145d3c)
Configs | CompilationMode:tiered, RunKind:bepuphysics

### Improvements in DemoBenchmarks.SweepBenchmarks

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

  • [CapsuleCylinder - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 6.54 μs | 5.69 μs | 0.87 | 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.SweepBenchmarks*'
```

### DemoBenchmarks.SweepBenchmarks.CapsuleCylinder

#### 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 | [77a60772669bc6602e26076c7ff0c3ebae137445](https://github.com/dotnet/sdk/commit/77a60772669bc6602e26076c7ff0c3ebae137445)
Compare | [5da2de22f7c6e2ebe7ed4c16c614b00183145d3c](https://github.com/dotnet/sdk/commit/5da2de22f7c6e2ebe7ed4c16c614b00183145d3c)
Diff | [Diff](https://github.com/dotnet/sdk/compare/77a60772669bc6602e26076c7ff0c3ebae137445...5da2de22f7c6e2ebe7ed4c16c614b00183145d3c)
Configs | CompilationMode:tiered, RunKind:bepuphysics

### Improvements in DemoBenchmarks.GroupedCollisionTesterBenchmarks

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

  • [CheapCollisionBenchmarks - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 26.46 μs | 22.46 μs | 0.85 | 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.GroupedCollisionTesterBenchmarks*'
```

### DemoBenchmarks.GroupedCollisionTesterBenchmarks.CheapCollisionBenchmarks

#### 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 and SweepBenchmarks.cs, then run the issue's benchmarks_ci.py commands on Ubuntu. Compare the linked reports and baseline/compare commits to understand the reported improvements. The issue does not specify a code change or acceptance condition, so completion would require triage to define what should be changed.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, linux, python
Domain
performance, testing-qa
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
25/100

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