Bug 258601

Summary: Speedometer 3: A lot of CPU time spent in Element::hasRunningTransitionForProperty
Product: WebKit Reporter: Ryosuke Niwa <rniwa>
Component: AnimationsAssignee: Ryosuke Niwa <rniwa>
Status: RESOLVED WONTFIX    
Severity: Normal CC: cdumez, cmarcelo, dino, esprehn+autocc, ews-watchlist, graouts, kangil.han, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
WIP
ews-feeder: commit-queue-
WIP2
none
WIP3 ews-feeder: commit-queue-

Description Ryosuke Niwa 2023-06-27 21:16:11 PDT
We're spending a significant chunk of our time (~6%) of style resolution in this one function.
Reduce the overhead of calling this function.
Comment 1 Ryosuke Niwa 2023-06-27 21:19:13 PDT
Created attachment 466837 [details]
WIP
Comment 2 Ryosuke Niwa 2023-06-28 18:20:20 PDT
Created attachment 466854 [details]
WIP2
Comment 3 Ryosuke Niwa 2023-06-28 19:58:00 PDT
Created attachment 466856 [details]
WIP3
Comment 4 Radar WebKit Bug Importer 2023-07-04 21:17:17 PDT
<rdar://problem/111764620>
Comment 5 Ryosuke Niwa 2023-07-07 15:06:18 PDT
This turned out to be not a fruitful improvement.