High-power consuming benchmark or graphics program for Linux ?

Accelerated Computing CUDA CUDA Programming and Performance
1

Can somebody help me find a high-power consuming graphics program (benchmark or stressing benchmark) for Linux ?
I use Ubuntu and GTX580.
I heard something like a furmark ?

Thanks !

2

LuxMark v2 is a great benchmark and will push your GPU to it’s limits, using OpenCL :)
LuxMark Download