[Webkit-unassigned] [Bug 18998] New: Unbounded memory increase swapping multiple background images
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sun May 11 10:02:01 PDT 2008
http://bugs.webkit.org/show_bug.cgi?id=18998
Summary: Unbounded memory increase swapping multiple background
images
Product: WebKit
Version: 526+ (Nightly build)
Platform: Macintosh Intel
OS/Version: Mac OS X 10.5
Status: UNCONFIRMED
Severity: Normal
Priority: P2
Component: HTML DOM
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: jgibb at sundog.net
1. Unzip attached file and load HTML page in WebKit or Safari 3.x
2. Press Start Test button
3. Monitor application RSIZE in Activity Monitor as test runs
RSIZE steadily increases as multiple background images are swapped repeatedly
with the same image urls. The more elements that swap background images, the
faster memory usage increases. This only seems to occur when setting the
background url(), not when setting background colors or other background
properties.
It looks like the same images are being allocated repeatedly (and never
deallocated) for every JS call to "element.background = url(image)"
I ran leaks from Terminal but didn't see anything unusual. FWIW, I see the same
memory increase in Safari 3 and 3.1 but NOT in Safari 2.x or Firefox 2.x.
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