Seeing the same slowness in 12.04 Beta-2 32bit on GeForce Go 7400. Totally absent from Unity-2D so for me, I'd say it is definitely compositing related.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/836023 Title: New compiz alt-tab switcher window is slow to appear To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/836023/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs