In my case moving windows (10% max compiz and 10% max Xorg, CPU in state 800MHZ) with this version of unity seems ok. Also cpu usage when doing nothing max 5%. With flgrx Behavior described in this bug in my case is only observable when compiz crashes and reloads itself.
@Daniel
> Does your video card support the radeon driver?
Yes it does. I'll Test it later that day and post back if(not) this problem still exists.
> I am thinking perhaps bug bug 1051831
In my case moving windows (10% max compiz and 10% max Xorg, CPU in state 800MHZ) with this version of unity seems ok. Also cpu usage when doing nothing max 5%. With flgrx Behavior described in this bug in my case is only observable when compiz crashes and reloads itself.