Phoronix: A Slew Of Performance Improvements To Hit Compiz

While publishing this morning was a large Ubuntu 13.04 OpenGL desktop performance comparison using six desktop environments and five different GPU/driver configurations, to result in 30 different data points for multiple Linux games, also announced today were forthcoming Compiz performance improvements. To land soon will be a number of performance enhancements for the Compiz compositing window manager...

http://www.phoronix.com/vr.php?view=MTI1MTM