[Perf] Changes at 9/30/2021 11:27:06 PM

[performanceautofiler]

Run Information

Architecture	arm64
OS	ubuntu 18.04
Baseline	918aaec1d94cb5f80e4ed00493fbc2940c7fa132
Compare	4ddd11dd62c1027d42df5dc3c70ddecaeaa47478
Diff	Diff

Improvemnts 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
Convert_double_ulong - Duration of single invocation	8.88 μs	3.67 μs	0.41	0.10	False

Test Report

Repro

git clone https://github.com/dotnet/performance.git
python3 .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Numerics.Tests.Perf_VectorConvert*'

Payloads

Baseline
Compare

Histogram

System.Numerics.Tests.Perf_VectorConvert.Convert_double_ulong

Docs

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

[kunalspathak]

@tannergooding - Could be because of dotnet/runtime#53450.
@DrewScoggins - Can this be data alignment?