[Perf] Linux/x64: 3 Regressions on 9/5/2024 6:12:12 PM

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	e5b9dbbdf6139842212484a1249c125656551c03
Compare	e166eb650f054455dac9a2494ba382e54da65024
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Compression.ZLib

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Compress - Duration of single invocation ADX - Test Multi Config Graph	110.15 μs	151.50 μs	1.38	0.42	False

Test Report

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.IO.Compression.ZLib*'

System.IO.Compression.ZLib.Compress(level: Fastest, file: "sum")

ETL Files

Histogram

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	e5b9dbbdf6139842212484a1249c125656551c03
Compare	e166eb650f054455dac9a2494ba382e54da65024
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Compression.Gzip

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Compress - Duration of single invocation ADX - Test Multi Config Graph	110.75 μs	194.75 μs	1.76	0.33	False

Test Report

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.IO.Compression.Gzip*'

System.IO.Compression.Gzip.Compress(level: Fastest, file: "sum")

ETL Files

Histogram

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	e5b9dbbdf6139842212484a1249c125656551c03
Compare	e166eb650f054455dac9a2494ba382e54da65024
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Compression.Deflate

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Compress - Duration of single invocation ADX - Test Multi Config Graph	109.69 μs	199.72 μs	1.82	0.33	False

Test Report

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.IO.Compression.Deflate*'

System.IO.Compression.Deflate.Compress(level: Fastest, file: "sum")

ETL Files

Histogram

JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[DrewScoggins]

Caused by #105771

[carlossanlop]

Caused by #105771

We haven't made any updates in .NET 8 related to zlib. All the commands in the above results used -f net8.0. The PR linked above only affected main and net9.0.

[carlossanlop]

Could this have been some weird behavior in the machines? Are you by any chance seeing other weird unexpecfted results in 8.0, @DrewScoggins ?