Back again... I tried it without the MigrationHeuristic=greedy option. I have the impression that it is slower without it, and there's much more CPU load. Then I turned it on again, and e.g. scrolling in firefox is more responsive with it.
I also found this explaination for it: http://nouveau.freedesktop.org/wiki/MigrationHeuristic Ciao Martin -- (NEED EXA): r100 / r200 / r300: poor compiz performance https://bugs.launchpad.net/bugs/132707 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs