lesho@localhost ~ $ fgl_fglxgears 
Using GLX_SGIX_pbuffer
3679 frames in 5.0 seconds = 735.800 FPS
4367 frames in 5.0 seconds = 873.400 FPS
4378 frames in 5.0 seconds = 875.600 FPS
4048 frames in 5.0 seconds = 809.600 FPS
5420 frames in 5.0 seconds = 1084.000 FPS
5236 frames in 5.0 seconds = 1047.200 FPS
5408 frames in 5.0 seconds = 1081.600 FPS

lesho@localhost ~ $ glxgears 
19179 frames in 5.0 seconds = 3835.611 FPS
18691 frames in 5.0 seconds = 3735.492 FPS
19306 frames in 5.0 seconds = 3861.040 FPS
19268 frames in 5.0 seconds = 3853.386 FPS
21710 frames in 5.0 seconds = 4341.874 FPS
25336 frames in 5.0 seconds = 5067.050 FPS
24914 frames in 5.0 seconds = 4982.691 FPS

lesho@localhost ~ $ fgl_fglxgears
Using GLX_SGIX_pbuffer
4459 frames in 5.0 seconds = 891.800 FPS
4670 frames in 5.0 seconds = 934.000 FPS
5631 frames in 5.0 seconds = 1126.200 FPS
5723 frames in 5.0 seconds = 1144.600 FPS
5657 frames in 5.0 seconds = 1131.400 FPS
5647 frames in 5.0 seconds = 1129.400 FPS

lesho@localhost ~ $ glxgears
21120 frames in 5.0 seconds = 4223.983 FPS
21267 frames in 5.0 seconds = 4247.145 FPS
21288 frames in 5.0 seconds = 4249.771 FPS
22524 frames in 5.0 seconds = 4498.620 FPS
27640 frames in 5.0 seconds = 5519.211 FPS
27548 frames in 5.0 seconds = 5496.153 FPS