Bug 14918

Summary: Long freezing during loading and selecting text of a large table
Product: WebKit Reporter: Samuel Allen <allen.sam>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal CC: aroben, mitz, webkit
Priority: P2 Keywords: InRadar, PlatformOnly
Version: 523.x (Safari 3)   
Hardware: PC   
OS: Windows XP   
URL: http://bugs.webkit.org/attachment.cgi?id=3234&action=view
Attachments:
Description Flags
Defer repaints during RenderView::setSelection() simon.fraser: review+

Samuel Allen
Reported 2007-08-09 12:23:39 PDT
Attachment 3234 [details], which I posted 2 years ago, has always shown poor performance when selecting text near the top of the table. On my old Mac mini, the performance noticably lagged behind the other browsers, even though loading the page was fast. The behavior I am seeing on Windows Vista Safari 3.0.3 and WebKit ToT is much worse. When I open the attachment from my hard disk and make a selection across the cells near the top, Safari hangs and is unresponsive for 2 minutes. So, Safari takes 2 minutes to do what every other browser I tested can do in less than 1 second. I don't know if this is a regression per se because I haven't tested a recent build on the Mac.
Attachments
Defer repaints during RenderView::setSelection() (1.55 KB, patch)
2009-08-24 13:26 PDT, mitz 		simon.fraser: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
David Kilzer (:ddkilzer)
Comment 1 2007-08-10 06:27:08 PDT
This attachment is from Bug 4296.
Robert Blaut
Comment 2 2008-02-14 01:41:01 PST
Confirmed. It's a dramatic difference between Webkit on Mac OS X and on Windows. Webkit on Windows freezes for a long long time (a couple of minutes). Webkit on Mac OS X marks table almost instantly.
Adam Roben (:aroben)
Comment 3 2008-02-14 06:52:51 PST
<rdar://problem/5743105>
Robert Blaut
Comment 4 2008-02-15 03:26:26 PST
*** Bug 14917 has been marked as a duplicate of this bug. ***
mitz
Comment 5 2009-08-24 13:26:28 PDT
Created attachment 38497 [details] Defer repaints during RenderView::setSelection()
mitz
Comment 6 2009-08-24 13:46:09 PDT
Fixed in <http://trac.webkit.org/projects/webkit/changeset/47726>.
Note You need to log in before you can comment on or make changes to this bug.