[klange piko 01/20 21:55:09 1 ~]
$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
01:00.0 VGA compatible controller: nVidia Corporation GT218 [NVS 3100M] (rev a2)
[klange piko 01/20 21:55:34 130 ~]
$ optirun glxspheres # nVidia
Polygons in scene: 62464
Visual ID of window: 0x21
Context is Direct
OpenGL Renderer: NVS 3100M/PCI/SSE2
86.159321 frames/sec - 96.153803 Mpixels/sec
79.305145 frames/sec - 88.504542 Mpixels/sec
[klange piko 01/20 21:55:40 130 ~]
$ glxspheres # Intel
Polygons in scene: 62464
Visual ID of window: 0x9b
Context is Direct
OpenGL Renderer: Mesa DRI Intel(R) Ironlake Mobile 
19.676635 frames/sec - 21.959125 Mpixels/sec