Phoronix: Valve's L4D2 Is Faster On Linux Than Windows

Valve's growing Linux team is already experiencing success in optimizing the Source Engine, and in particular their initial Left 4 Dead 2 game, for Linux. In fact, the native Linux build with the Source OpenGL renderer is faster than running the game on Windows 7 with DirectX!..

http://www.phoronix.com/vr.php?view=MTE1MjI