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[Bug 1293384] Re: Compiz CPU usage dramatically increased in Ubuntu 14.04


Thomas, I'm also having Xorg/compiz CPU usage issues for which I
submitted bug report, and I was wondering if you could follow the steps
I outlined and see if you get similar results:

Basically on a fresh boot, launch "top" in a terminal to monitor CPU
usage. Then launch a Nautilus window and start moving it around, noting
CPU usage. Then resize the window, and try moving it around and see what
happens with the CPU usage.

For me, CPU usage jumps from 4% to around 30-40% (before/after the
resize) using the open source radeon driver. With fglrx it starts higher
at around 15-20%, and jumps to 60-70% after resizing. Even just
scrolling down a page in Firefox results in ~70% CPU usage.

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  Compiz CPU usage dramatically increased in Ubuntu 14.04

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