runtime: Performance regression in ConcurrentDictionary
From Benchview, 90% regression on IsEmpty and 40% on TryGetValue, around August 19th.
The impact is visible in ASP.NET on the scenarios that rely on ConcurrentDictionary like routing and response caching, by about 10%.
About this issue
- Original URL
- State: closed
- Created 6 years ago
- Comments: 17 (17 by maintainers)
Yes I’m currently working on fixing https://github.com/dotnet/coreclr/issues/19752 for 3.0, that should cover the regressions that were seen
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COMPlus_TieredCompilation=0. Or see our handy new guide.