Status: Accepted
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 15 by lipen...@
intel.com: Use atomic add if hook_ is null in ProgressWatcher::AdvanceBy symbol
https://bugs.chromium.org/p/webp2/issues/detail?id=15What steps will reproduce the problem?
1. ./cwp2 sample-photo-6000x4000.JPG -o out.webp -v -info 160
What is the expected output?
No obvious lock contention with thread number grows.
What do you see instead?
A heavy lock contention with thread numbers grows.
~75% cycles contributed by native_queued_spin_lock_slowpath symbol.
Please use labels and text to provide additional information.
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