Bug 125891

Summary:	REGRESSION(r157347-r157349): 2% regression on Dromaeo/cssquery-dojo
Product:	WebKit	Reporter:	Ryosuke Niwa <rniwa>
Component:	DOM	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED WONTFIX
Severity:	Normal	CC:	barraclough, benjamin, ggaren, kling, koivisto, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	528+ (Nightly build)
Hardware:	Unspecified
OS:	Unspecified

Description Ryosuke Niwa 2013-12-17 17:13:05 PST

See https://perf.webkit.org/#mode=charts&chartList=%5B%5B%22mac-mountainlion%22%2C%22Dromaeo%2Fcssquery-dojo%3ARuns%22%5D%2C%5B%22mac-mountainlion%22%2C%22Dromaeo%2Fcssquery-jquery%3ARuns%22%5D%5D&days=74&zoom=%5B1381318648089.977%2C1381867944427.5774%5D

http://trac.webkit.org/log/?rev=157349&stop_rev=157347&verbose=on

Comment 1 Ryosuke Niwa 2013-12-17 17:23:11 PST

Better graph:
https://perf.webkit.org/#mode=charts&chartList=%5B%5B%22mac-mountainlion%22%2C%22Dromaeo%2Fcssquery-dojo%3ARuns%22%5D%2C%5B%22mac-mountainlion%22%2C%22Dromaeo%2Fcssquery-jquery%3ARuns%22%5D%2C%5B%22mac-lion%22%2C%22Dromaeo%2Fcssquery-jquery%3ARuns%22%5D%5D&days=136&zoom=%5B1381314242746.7024%2C1382083568577.5894%5D

Comment 2 Ryosuke Niwa 2013-12-17 21:27:45 PST

I can't really reproduce this regression on my MacPro.  Given that the regression is not visible on lion bot, this regression may only reproduce on some hardwares.

Comment 3 David Kilzer (:ddkilzer) 2016-09-09 09:45:19 PDT

<rdar://problem/28226823>

Comment 4 Ryosuke Niwa 2016-09-09 16:07:02 PDT

Not gonna investigate this.