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Regressions in System.Collections.CtorFromCollection<String> #60627

@performanceautofiler

Description

@performanceautofiler

Run Information

Architecture x64
OS alpine 3.12
Baseline 11742903dcc40a55e8688a1c61291459215f8ed0
Compare f40247e8e4276ec4472eaeaac461bb3bc14c2cd0
Diff Diff

Regressions in System.Collections.CtorFromCollection<String>

Benchmark Baseline Test Test/Base Test Quality Edge Detector Baseline IR Compare IR IR Ratio Baseline ETL Compare ETL
ImmutableList - Duration of single invocation 9.61 μs 10.42 μs 1.08 0.05 False

graph
Test Report

Repro

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net6.0 --filter 'System.Collections.CtorFromCollection&lt;String&gt;*'
Details

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Baseline
Compare

Histogram

System.Collections.CtorFromCollection<String>.ImmutableList(Size: 512)


Docs

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

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