Similarly to @fagg, I have disabled vertical sync. I have noticed idle usage drop from ~52% to ~28%. Which is an improvement.
glxinfo output: OpenGL vendor string: NVIDIA Corporation OpenGL renderer string: Quadro 1000M/PCIe/SSE2 OpenGL version string: 4.2.0 NVIDIA 295.40 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/803943 Title: compiz consuming a lot of cpu To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/803943/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs