[Webkit-unassigned] [Bug 93606] [Qt] UpdateAtlas is wasting memory

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=93606





--- Comment #6 from Balazs Kelemen <kbalazs at webkit.org>  2012-08-09 09:07:00 PST ---
story continues as bugzilla resurrected...

Let's see how many atlases are allocated. For this reason I printed in the update atlas ctor with the dimension (which is contant in trunk and candidate 1). Results (all of them with simply zooming in google.com and scrolling):

ref
UpdateAtlas: 2000
UpdateAtlas: 2000
UpdateAtlas: 2000
UpdateAtlas: 2000
UpdateAtlas: 2000
UpdateAtlas: 2000
UpdateAtlas: 2000
UpdateAtlas: 2000
UpdateAtlas: 2000

candidate 1
UpdateAtlas: 2000
UpdateAtlas: 2000
UpdateAtlas: 2000
UpdateAtlas: 2000

candidate 2
UpdateAtlas: 2048
UpdateAtlas: 1024
UpdateAtlas: 128
UpdateAtlas: 512
UpdateAtlas: 2048
UpdateAtlas: 2048
UpdateAtlas: 128
UpdateAtlas: 512
UpdateAtlas: 1024

So, candidate 1 needs less allocation, but according to my calculation it still use 2.5Mb more memory.

Allan, could you upload your work, so we can compare with these?

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