Thanks. That confirms the problem is not Compiz or Unity. Most likely an NVIDIA driver or generic Xorg bug.
** Package changed: compiz (Ubuntu) => nvidia-graphics-drivers (Ubuntu) ** Changed in: nvidia-graphics-drivers (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1032187 Title: Major OpenGL performance degradation over time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/1032187/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs