[Perf] Changes at 11/12/2021 4:32:49 AM

[performanceautofiler]

Run Information

Architecture	arm64
OS	Windows 10.0.19041
Baseline	c737141bb34914afd47c2896ee0867ee47e86ad2
Compare	35704e44e5d1b158f21512b1c1081a0e025bde3f
Diff	Diff

Regressions in System.Numerics.Tests.Perf_VectorConvert

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Widen_float - Duration of single invocation	803.36 ns	867.53 ns	1.08	0.12	True

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_VectorConvert*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_VectorConvert.Widen_float

Docs

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

[dotnet-issue-labeler]

I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.

[DrewScoggins]

Related to #60094

[ghost]

Tagging subscribers to this area: @dotnet/area-system-numerics
See info in area-owners.md if you want to be subscribed.

Issue Details

---

Run Information

Architecture	arm64
OS	Windows 10.0.19041
Baseline	c737141bb34914afd47c2896ee0867ee47e86ad2
Compare	35704e44e5d1b158f21512b1c1081a0e025bde3f
Diff	Diff

Regressions in System.Numerics.Tests.Perf_VectorConvert

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Widen_float - Duration of single invocation	803.36 ns	867.53 ns	1.08	0.12	True

Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_VectorConvert*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_VectorConvert.Widen_float

Docs

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

Author:	performanceautofiler[bot]
Assignees:	-
Labels:	arch-arm64, area-System.Numerics, os-windows, tenet-performance, tenet-performance-benchmarks, untriaged
Milestone:	-

[tannergooding]

There were some generalizations made to IR we import to make the overall code more maintainable and optimizable for common patterns. We just happen to minorly regress this scenario where we're benchmarking only this instruction in a tight loop