dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 7 Improvements on 5/14/2026 10:06:04 PM +00:00

Open
#73,180 1 comment 0 reactions 0 assignees View on GitHub
arch-wasm arch-x64 branch-refs/heads/main compilationmode-wasm kind-micro os-linux perf-improvement runkind-micro untriaged
Dominant language
No language data
Stars
10
Forks
8
PR metrics pending

Description

### Run Information

Name | Value
-- | --
Architecture | x64
OS | ubuntu 22.04
Queue | ViperUbuntu
Baseline | [553d88792317e028eff9703301d84fab46ba095d](https://github.com/dotnet/runtime/commit/553d88792317e028eff9703301d84fab46ba095d)
Compare | [1858a246d34c00584f7138196b44564702bfa552](https://github.com/dotnet/runtime/commit/1858a246d34c00584f7138196b44564702bfa552)
Diff | [Diff](https://github.com/dotnet/runtime/compare/553d88792317e028eff9703301d84fab46ba095d...1858a246d34c00584f7138196b44564702bfa552)
Configs | CompilationMode:wasm, RunKind:micro

### Improvements in System.MathBenchmarks.Double

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

  • [LogP1 - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 105.38 μs | 75.96 μs | 0.72 | 0.22 | False | | |
|
  • [Exp2M1 - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 112.98 μs | 99.61 μs | 0.88 | 0.35 | False | | |
|
  • [Exp10M1 - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 111.39 μs | 100.18 μs | 0.90 | 0.32 | False | | |

![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 'System.MathBenchmarks.Double*'
```

### System.MathBenchmarks.Double.LogP1

#### ETL Files

#### Histogram

#### JIT Disasms

### System.MathBenchmarks.Double.Exp2M1

#### ETL Files

#### Histogram

#### JIT Disasms

### System.MathBenchmarks.Double.Exp10M1

#### 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 | [553d88792317e028eff9703301d84fab46ba095d](https://github.com/dotnet/runtime/commit/553d88792317e028eff9703301d84fab46ba095d)
Compare | [1858a246d34c00584f7138196b44564702bfa552](https://github.com/dotnet/runtime/commit/1858a246d34c00584f7138196b44564702bfa552)
Diff | [Diff](https://github.com/dotnet/runtime/compare/553d88792317e028eff9703301d84fab46ba095d...1858a246d34c00584f7138196b44564702bfa552)
Configs | CompilationMode:wasm, RunKind:micro

### Improvements in System.IO.MemoryMappedFiles.Tests.Perf_MemoryMappedFile

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

  • [CreateNew - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 40.01 μs | 30.05 μs | 0.75 | 0.24 | False | | |
|
  • [CreateFromFile - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 117.13 μs | 108.17 μs | 0.92 | 0.13 | False | | |

![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 'System.IO.MemoryMappedFiles.Tests.Perf_MemoryMappedFile*'
```

### System.IO.MemoryMappedFiles.Tests.Perf_MemoryMappedFile.CreateNew(capacity: 1000000)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.IO.MemoryMappedFiles.Tests.Perf_MemoryMappedFile.CreateFromFile(capacity: 100000)

#### 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 | [553d88792317e028eff9703301d84fab46ba095d](https://github.com/dotnet/runtime/commit/553d88792317e028eff9703301d84fab46ba095d)
Compare | [1858a246d34c00584f7138196b44564702bfa552](https://github.com/dotnet/runtime/commit/1858a246d34c00584f7138196b44564702bfa552)
Diff | [Diff](https://github.com/dotnet/runtime/compare/553d88792317e028eff9703301d84fab46ba095d...1858a246d34c00584f7138196b44564702bfa552)
Configs | CompilationMode:wasm, RunKind:micro

### Improvements in PerfLabTests.BlockCopyPerf

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

  • [CallBlockCopy - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 112.24 ns | 95.62 ns | 0.85 | 0.35 | False | | |

![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 'PerfLabTests.BlockCopyPerf*'
```

### PerfLabTests.BlockCopyPerf.CallBlockCopy(numElements: 1000)

#### 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 | [553d88792317e028eff9703301d84fab46ba095d](https://github.com/dotnet/runtime/commit/553d88792317e028eff9703301d84fab46ba095d)
Compare | [1858a246d34c00584f7138196b44564702bfa552](https://github.com/dotnet/runtime/commit/1858a246d34c00584f7138196b44564702bfa552)
Diff | [Diff](https://github.com/dotnet/runtime/compare/553d88792317e028eff9703301d84fab46ba095d...1858a246d34c00584f7138196b44564702bfa552)
Configs | CompilationMode:wasm, RunKind:micro

### Improvements in System.MathBenchmarks.Single

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

  • [Cos - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 46.82 μs | 38.16 μs | 0.82 | 0.43 | False | | |

![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 'System.MathBenchmarks.Single*'
```

### System.MathBenchmarks.Single.Cos

#### 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

Assessment

This issue has not been assessed yet.

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.