[Perf -7%] System.Collections.Concurrent.Count<Int32>.Queue_EnqueueCountDequeue

[performanceautofiler]

Run Information

Architecture	x86
OS	Windows 10.0.18362
Baseline	63c7fc66fead66dd740ff299caf4afd413eff9cf
Compare	9b3575d8e9580647a7ca4f910460d95906865a57

Regressions in System.Collections.Concurrent.Count

Benchmark	Baseline	Test	Test/Base	Baseline IR	Compare IR	IR Ratio	Baseline ETL	Compare ETL
Queue_EnqueueCountDequeue	28.06 ns	29.95 ns	1.07

Related Issue on x64 ubuntu

[Perf -25%] System.Collections.Concurrent.Count.Stack

Related Issue on x64 ubuntu

[Perf 25%] System.Collections.Concurrent.Count (3)

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.Collections.Concurrent.Count<Int32>*'

Histogram

System.Collections.Concurrent.Count.Queue_EnqueueCountDequeue(Size: 512)

[27.441 ; 28.034) | @
[28.034 ; 29.015) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
[29.015 ; 29.815) | 
[29.815 ; 30.722) | @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

Docs

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