129522 – REGRESSION(r164548) 7-10% slow down on Dromaeo/dom-query

Bug 129522 - REGRESSION(r164548) 7-10% slow down on Dromaeo/dom-query

Summary: REGRESSION(r164548) 7-10% slow down on Dromaeo/dom-query

Status:	NEW

Alias:	None

Product:	WebKit
Classification:	Unclassified
Component:	JavaScriptCore (show other bugs)
Version:	528+ (Nightly build)
Hardware:	Unspecified Unspecified

Importance:	P2 Normal
Assignee:	Nobody

URL:
Keywords:	InRadar

Depends on:
Blocks:

Reported:	2014-02-28 17:14 PST by Ryosuke Niwa
Modified:	2014-02-28 17:16 PST (History)
CC List:	5 users (show)

See Also:

Attachments
A/B testing results (36.15 KB, text/html) 2014-02-28 17:14 PST, Ryosuke Niwa	no flags	Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.

Description Ryosuke Niwa 2014-02-28 17:14:54 PST

Created attachment 225511 [details]
A/B testing results

http://trac.webkit.org/changeset/164548 introduced a 7-10% regression on Dromaeo/dom-query.

https://perf.webkit.org/#mode=charts&chartList=%5B%5B%22mac-mavericks%22%2C%22Dromaeo%2Fdom-query%3ARuns%22%5D%2C%5B%22mac-mountainlion%22%2C%22Dromaeo%2Fdom-query%3ARuns%22%5D%5D&days=63&zoom=%5B1392794639427.6333%2C1393190255845.2073%5D

Comment 1 Radar WebKit Bug Importer 2014-02-28 17:16:23 PST

<rdar://problem/16202709>