[Bug 144216] Re: Slow switching tab in firefox/opera when the desktop effects are enabled in Gutsy Gibbon

[della]

I do not see a real performance improvement if I disable effects from appareance panel.
I can see some improvements if I reduce the width of firefox window: in this case the cpu usage during tab switching drops from 70-80% (really high) to a more affordable 40%.

It seems that firefox has to reload the rendered page from system memory
to the video card memory. Strange given that the card has 256Mb of ram,
I expect it to be cached on the card memory.

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Slow switching tab in firefox/opera when the desktop effects are enabled in Gutsy Gibbon
https://bugs.launchpad.net/bugs/144216
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