Florian, I'm not sure that I can reproduce it. I just upgraded my system, and I don't notice any performance regressions. I also tried reverting the changes I did for bug 817421, but I don't notice any speed difference.
I tried in VirtualBox, both when the VM has 4 processors, and when it has 1.
I'm using the ubuntu-desktop-ppa-oneiric, unity-2d-team-unity-2d-daily-oneiric and yannubuntu-boot-repair-natty (I guess the last one has no relevance here).
Do you have some other PPAs active?
Florian, I'm not sure that I can reproduce it. I just upgraded my system, and I don't notice any performance regressions. I also tried reverting the changes I did for bug 817421, but I don't notice any speed difference.
I tried in VirtualBox, both when the VM has 4 processors, and when it has 1. desktop- ppa-oneiric, unity-2d- team-unity- 2d-daily- oneiric and yannubuntu- boot-repair- natty (I guess the last one has no relevance here).
I'm using the ubuntu-
Do you have some other PPAs active?