Open
Bug 368018
Opened 18 years ago
Updated 2 years ago
Slow painting of page with 90,000 1px by 1px floated divs
Categories
(Core :: Web Painting, defect)
Tracking
()
NEW
People
(Reporter: bzbarsky, Unassigned)
References
(Blocks 1 open bug)
Details
(Keywords: perf)
Attachments
(1 file)
|
195.01 KB,
application/zip
|
Details |
The testcase is in bug 350228. If you're patient and let it load, it draws really slowly.
The time is at least half taken by nsThebesRenderingContext::FillRect painting the background color (not surprising).
We _are_ hitting _cairo_surface_fallback_fill from INT__moz_cairo_fill_preserve. not sure whether that's relevant.
We also seem to spend time in _moz_cairo_set_source_rgba.
Of the 128476 total hits in the testcase, 7148 are under free() and 12489 are under malloc(). That's about 16% of the total time. Pretty much all the callers for those are inside cairo...
|
||
Updated•15 years ago
|
QA Contact: ian → layout.view-rendering
Assignee: roc → nobody
|
Assignee | |
Updated•6 years ago
|
Component: Layout: View Rendering → Layout: Web Painting
|
||
Updated•2 years ago
|
Severity: normal → S3
You need to log in
before you can comment on or make changes to this bug.
Description
•