[Perf] Linux/arm64: 4 Regressions on 5/3/2024 3:54:35 PM #102044
Description
Run Information
| Name | Value |
|---|---|
| Architecture | arm64 |
| OS | ubuntu 22.04 |
| Queue | AmpereUbuntu |
| Baseline | fc76b1cac3f02cc9729f6682d6850fd7982e9fe5 |
| Compare | 358b0a4d350a6c72ccc825a0ac668620f849365a |
| Diff | Diff |
| Configs | CompilationMode:tiered, RunKind:micro |
Regressions in System.Text.Json.Tests.Utf8JsonReaderCommentsTests
| Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio |
|---|---|---|---|---|---|---|---|---|
| 78.93 ns | 100.11 ns | 1.27 | 0.13 | False | ||||
| 80.90 ns | 93.24 ns | 1.15 | 0.34 | False | ||||
| 94.71 ns | 125.39 ns | 1.32 | 0.48 | False | ||||
| 81.94 ns | 89.40 ns | 1.09 | 0.07 | 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.Text.Json.Tests.Utf8JsonReaderCommentsTests*'System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Skip, SegmentSize: 0, TestCase: ShortSingleLine)
ETL Files
Histogram
JIT Disasms
System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Allow, SegmentSize: 0, TestCase: ShortSingleLine)
ETL Files
Histogram
JIT Disasms
System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Allow, SegmentSize: 100, TestCase: ShortMultiLine)
ETL Files
Histogram
JIT Disasms
System.Text.Json.Tests.Utf8JsonReaderCommentsTests.Utf8JsonReaderCommentParsing(CommentHandling: Skip, SegmentSize: 0, TestCase: ShortMultiLine)
ETL Files
Histogram
JIT Disasms
Docs
Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository