Comment 18 for bug 813365

Still there for me with nvidia-current from ppa:ubuntu-x-swat/x-updates

compiz virtual mem 1.2GB and constant 30% cpu.

chris@chris:~$ sudo dpkg -l | grep compiz
ii compiz 1:0.9.7.8-0ubuntu1 OpenGL window and compositing manager
ii compiz-core 1:0.9.7.8-0ubuntu1 OpenGL window and compositing manager
ii compiz-gnome 1:0.9.7.8-0ubuntu1 OpenGL window and compositing manager - GNOME window decorator
ii compiz-plugins-default 1:0.9.7.8-0ubuntu1 OpenGL window and compositing manager - default plugins
ii compiz-plugins-main-default 1:0.9.7.0~bzr19-0ubuntu10 Compiz plugins - main default collection
ii compizconfig-backend-gconf 0.9.5.92-0ubuntu5 Compiz Fusion configuration system - gconf backend
ii libcompizconfig0 0.9.7.0~bzr428-0ubuntu6 Settings library for plugins - OpenCompositing Project

chris@chris:~$ uname -a
Linux chris 3.2.0-24-generic #39-Ubuntu SMP Mon May 21 16:52:17 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

chris@chris:~$ sudo dpkg -l | grep nvidia
ii nvidia-common 1:0.2.44 Find obsolete NVIDIA drivers
ii nvidia-current 295.53-0ubuntu1~precise~xup1 NVIDIA binary Xorg driver, kernel module and VDPAU library
ii nvidia-settings 295.53-0ubuntu1~precise~xup1 Tool of configuring the NVIDIA graphics driver

top:
  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
 2394 chris 20 0 1278m 177m 49m S 30 3.0 3:30.54 compiz
 1490 root 20 0 163m 58m 20m S 4 1.0 1:27.83 Xorg