In recent releases of the NVIDIA driver (around Ubuntu 12.04 onward), they disabled Sync to VBlank by default. Please try enabling it in nvidia-settings. You will have to log out and in again for it to take full effect on compiz.
In recent releases of the NVIDIA driver (around Ubuntu 12.04 onward), they disabled Sync to VBlank by default. Please try enabling it in nvidia-settings. You will have to log out and in again for it to take full effect on compiz.