[Perf] Changes at 7/15/2021 9:01:47 AM

[performanceautofiler]

Run Information

Architecture	arm64
OS	Windows 10.0.19041
Baseline	e3d319bb727efb82f1ab4236f6f58a5dfffcfc5c
Compare	7aaffcb2b3d42c79a23a86aecd6d0e2df049ee44
Diff	Diff

Regressions in System.Tests.Perf_Char

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Char_ToLower - Duration of single invocation	1.41 ns	2.43 ns	1.72	0.44	False

Historical Data in Reporting System

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f netcoreapp5.0 --filter 'System.Tests.Perf_Char*'

Payloads

Baseline
Compare

Histogram

System.Tests.Perf_Char.Char_ToLower(c: 'A', cultureName: en-US)

Docs

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

[kunalspathak]

Most likely: dotnet/runtime#55614