[Perf] Linux/x64: Regressions in SIMD.ConsoleMandel and System.Numerics.Tests.Perf_BigInteger

[performanceautofiler]

Run Information

Name	Value
Architecture	x64
OS	ubuntu 22.04
Queue	ViperUbuntu
Baseline	19f03850cafa68cf396ecadf86e19df714b0a280
Compare	223249fa87a5f84cc67e83699f64ca80180a1862
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in SIMD.ConsoleMandel

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ScalarDoubleSinglethreadADT - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	649.42 ms	693.68 ms	1.07	0.00	True
ScalarFloatSinglethreadADT - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	656.66 ms	692.76 ms	1.05	0.00	True

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 'SIMD.ConsoleMandel*'

SIMD.ConsoleMandel.ScalarDoubleSinglethreadADT

ETL Files

Histogram

JIT Disasms

SIMD.ConsoleMandel.ScalarFloatSinglethreadADT

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	19f03850cafa68cf396ecadf86e19df714b0a280
Compare	223249fa87a5f84cc67e83699f64ca80180a1862
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
HeapSort - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.57 μs	18.02 μs	1.09	0.08	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.Collections.Tests.Perf_PriorityQueue<Int32, Int32>*'

System.Collections.Tests.Perf_PriorityQueue<Int32, Int32>.HeapSort(Size: 1000)

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	19f03850cafa68cf396ecadf86e19df714b0a280
Compare	223249fa87a5f84cc67e83699f64ca80180a1862
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Numerics.Tests.Perf_BigInteger

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
GreatestCommonDivisor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.37 μs	4.68 μs	1.07	0.00	True

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.Numerics.Tests.Perf_BigInteger*'

System.Numerics.Tests.Perf_BigInteger.GreatestCommonDivisor(arguments: 1024,1024 bits)

ETL Files

Histogram

JIT Disasms

Docs

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

[LoopedBard3]

Potentially caused by: #104752, improvements listed in PR. @AndyAyersMS

[LoopedBard3]

Related Regressions:
Windows/x64: dotnet/perf-autofiling-issues#38719
Linux/x64: dotnet/perf-autofiling-issues#38695

[AndyAyersMS]

Will see if this is fixable in 9.0...

[dotnet-policy-service]

Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch
See info in area-owners.md if you want to be subscribed.

[AndyAyersMS]

These all seem to be viper (zen4) specific, and linux specific as well. Since other arch/os combinations are ok, I'm going to defer this one.