[Perf] Linux/x64: 3 Regressions on 6/9/2024 3:03:38 AM #36055
Description
Run Information
| Name | Value |
|---|---|
| Architecture | x64 |
| OS | ubuntu 22.04 |
| Queue | TigerUbuntu |
| Baseline | 39ecbe0ed850fa6d6d4f0ebe1917bca1e154e82d |
| Compare | f47b4917464f34c439509a957e94cf8d0ef908f1 |
| Diff | Diff |
| Configs | CompilationMode:tiered, RunKind:micro |
Regressions in System.Memory.Span<Char>
| Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio |
|---|---|---|---|---|---|---|---|---|
| 17.05 ns | 18.56 ns | 1.09 | 0.16 | False | ||||
| 4.74 ns | 5.87 ns | 1.24 | 0.13 | False | ||||
| 7.42 ns | 9.40 ns | 1.27 | 0.16 | False |
Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md
git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Memory.Span<Char>*'System.Memory.Span<Char>.SequenceCompareTo(Size: 512)
ETL Files
Histogram
JIT Disasms
System.Memory.Span<Char>.BinarySearch(Size: 33)
ETL Files
Histogram
JIT Disasms
System.Memory.Span<Char>.BinarySearch(Size: 512)
ETL Files
Histogram
JIT Disasms
Docs
Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository