Closed
Bug 148036
Opened 22 years ago
Closed 22 years ago
Mozilla Eats 100% CPU Scrolling Page With Background GIF
Categories
(Core :: Layout, defect)
Tracking
()
RESOLVED
DUPLICATE
of bug 141786
People
(Reporter: mozilla, Assigned: attinasi)
References
()
Details
Any pages on this site are nearly unreadable on Mozilla 1.0rc3 because even the
slightest scrolling motion consumes 100% CPU. I check with JS turned off and the
issue remained. I checked the HTML, and although there are errors in the HTML,
eliminating each one-by-one had no effect on the problem.
Reporter | ||
Comment 1•22 years ago
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||
I think this is due to the background image. It is a 1600x1 pixel gif. I guess
Mozilla is having some real trouble with repeating an image that many times.
Reporter | ||
Comment 2•22 years ago
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It doesn't appear to be because of the 1 pixel height was I would have
suspected, but rather because of the 1600 pixel width (off of my screen).
Reporter | ||
Comment 3•22 years ago
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One more comment. I tried the following and all had the same result:
1. Resizing the GIF to 1600x25 to reduce repeating for each pixel height.
2. Resizing the GIF to 1050x25 to reduce work rendering off screen.
No matter. As long as there is a GIF as the background image, the page
performance takes a massive hit.
Summary: Mozilla Eats 100% CPU Scrolling → Mozilla Eats 100% CPU Scrolling Page With Background GIF
Comment 4•22 years ago
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Have a patch in the works on that bug.
*** This bug has been marked as a duplicate of 141786 ***
Status: NEW → RESOLVED
Closed: 22 years ago
Resolution: --- → DUPLICATE
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Description
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