dotnet / dotnet/perf-autofiling-issues

[Perf] Linux/x64: 10 Improvements on 1/24/2026 4:18:23 AM +00:00

Open
#68,056 1 comment 0 reactions 0 assignees View on GitHub
arch-x64 branch-refs/heads/main kind-micro os-linux perf-improvement runtime-coreclr 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 | [b1d2e4aa8af89cfa795015e30ef70d24ec92f67f](https://github.com/dotnet/runtime/commit/b1d2e4aa8af89cfa795015e30ef70d24ec92f67f)
Compare | [8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b](https://github.com/dotnet/runtime/commit/8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b1d2e4aa8af89cfa795015e30ef70d24ec92f67f...8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Text.Json.Tests.Perf_Strings

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

  • [WriteStringsUtf8 - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 5.88 ms | 5.54 ms | 0.94 | 0.11 | False | | |
|
  • [WriteStringsUtf8 - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 2.42 ms | 2.15 ms | 0.89 | 0.28 | False | | |
|
  • [WriteStringsUtf8 - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 6.25 ms | 5.74 ms | 0.92 | 0.04 | False | | |
|
  • [WriteStringsUtf8 - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 2.42 ms | 2.10 ms | 0.87 | 0.34 | False | | |

![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 'System.Text.Json.Tests.Perf_Strings*'
```

### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: False, SkipValidation: True, Escaped: OneEscaped)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: False, Escaped: NoneEscaped)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: True, Escaped: OneEscaped)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Text.Json.Tests.Perf_Strings.WriteStringsUtf8(Formatted: True, SkipValidation: True, Escaped: NoneEscaped)

#### 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 | [b1d2e4aa8af89cfa795015e30ef70d24ec92f67f](https://github.com/dotnet/runtime/commit/b1d2e4aa8af89cfa795015e30ef70d24ec92f67f)
Compare | [8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b](https://github.com/dotnet/runtime/commit/8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b1d2e4aa8af89cfa795015e30ef70d24ec92f67f...8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in Benchstone.BenchF.NewtR

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

  • [Test - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 49.94 ms | 43.39 ms | 0.87 | 0.01 | 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 'Benchstone.BenchF.NewtR*'
```

### Benchstone.BenchF.NewtR.Test

#### 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 | [b1d2e4aa8af89cfa795015e30ef70d24ec92f67f](https://github.com/dotnet/runtime/commit/b1d2e4aa8af89cfa795015e30ef70d24ec92f67f)
Compare | [8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b](https://github.com/dotnet/runtime/commit/8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b1d2e4aa8af89cfa795015e30ef70d24ec92f67f...8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Collections.Tests.Perf_BitArray

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

  • [BitArrayIntArrayCtor - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 13.05 ns | 11.34 ns | 0.87 | 0.18 | False | | |
|
  • [BitArrayByteArrayCtor - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 12.63 ns | 10.58 ns | 0.84 | 0.30 | False | | |
|
  • [BitArrayLengthCtor - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 11.23 ns | 10.00 ns | 0.89 | 0.26 | 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.Collections.Tests.Perf_BitArray*'
```

### System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayByteArrayCtor(Size: 4)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 512)

#### 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 | [b1d2e4aa8af89cfa795015e30ef70d24ec92f67f](https://github.com/dotnet/runtime/commit/b1d2e4aa8af89cfa795015e30ef70d24ec92f67f)
Compare | [8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b](https://github.com/dotnet/runtime/commit/8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b)
Diff | [Diff](https://github.com/dotnet/runtime/compare/b1d2e4aa8af89cfa795015e30ef70d24ec92f67f...8fafcb3251a3d2ccde36612a2eab47e9ae8ebe2b)
Configs | CompilationMode:tiered, RunKind:micro

### Improvements in System.Collections.Sort<String>

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

  • [List - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 159.16 μs | 121.87 μs | 0.77 | 0.31 | False | | |
|
  • [Array_Comparison - Duration of single invocation]()
  • 📝 - [Benchmark Source]()
  • [ADX - Test Multi Config Graph]()
| 168.57 μs | 129.68 μs | 0.77 | 0.35 | 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.Collections.Sort*'
```

### System.Collections.Sort<String>.List(Size: 512)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Collections.Sort<String>.Array_Comparison(Size: 512)

#### 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.