[Bug 380129] Re: compiz performance degrades over time

[Rocko]

I suspect the problem is a compiz/nvidia issue with two screens. I
normally have the following setup:

* laptop monitor - 1680x1050 - screen 1
* external monitor - 1680x1050 - screen 2
* wine is set to emulate a virtual desktop and CoD4 is set to run at 1680x1050. I usually run it on screen 2.

After reboot, there are no issues with frame rates. After some hours,
the framerate performance degrades significantly (to half or worse)
unless:

* I disable compiz.
* OR I run wine without emulating a virtual desktop, in which case I get 'full screen mode' on the laptop screen
* OR I set the screens to be clones.

So after reboot compiz recognises that the wine window is not supposed
to have desktop effects applied (whether it runs on screen 1 or 2), but
after some hours it must be trying to do something with the screen
drawing operations and slowing down frame rates.

-- 
compiz performance degrades over time
https://bugs.launchpad.net/bugs/380129
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