Bug 56162
Summary: | REGRESSION(r77101): 16% slowdown on scrolling-boxes demo. | ||
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Product: | WebKit | Reporter: | Andy Estes <aestes> |
Component: | Layout and Rendering | Assignee: | Simon Fraser (smfr) <simon.fraser> |
Status: | ASSIGNED | ||
Severity: | Normal | CC: | aestes, ahmad.saleem792, mitz, rniwa, sam, simon.fraser |
Priority: | P2 | Keywords: | InRadar, Regression |
Version: | 528+ (Nightly build) | ||
Hardware: | PC | ||
OS: | OS X 10.5 | ||
URL: | http://people.mozilla.org/~roc/scrolling-boxes.html | ||
Bug Depends on: | 58161 | ||
Bug Blocks: |
Andy Estes
<http://trac.webkit.org/changeset/77101> caused the demo at http://people.mozilla.org/~roc/scrolling-boxes.html to be 43% slower than it was in r77100 and ~248% slower than it was in Safari 5.0.3.
Note that this slowdown is in addition to the one tracked by <https://bugs.webkit.org/show_bug.cgi?id=56141> for the same demo.
Attachments | ||
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Add attachment proposed patch, testcase, etc. |
Andy Estes
<rdar://problem/9119579>
Simon Fraser (smfr)
58161 has a patch that fixes most of this.
Simon Fraser (smfr)
WebKit nightly r83376: ~7500ms
With patch in bug 58161: ~5900ms
Safari 5 (with -webkit-box-shadow): ~5000ms
Ahmad Saleem
Wayback Archive (2011 March - copy) - https://web.archive.org/web/20110313233153/http://people.mozilla.org/~roc/scrolling-boxes.html
Chrome Canary 124 (with lots of tab and bunch of background activities) - 549ms
Safari Technology Preview - 541ms
Firefox Nightly 125 - 623ms
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I think all browsers are close within margin, so it would be good to close it now.
@Simon - any input?