From: Matthias Reitinger <reitinge@...>
Date: 2009-03-10T16:55:52+09:00
Subject: Re: Ruby OpenGL Gears example that uses shiny and velvet GLSL shaders

Michael Brooks wrote:
> On another topic, what kind of performance / fps are you getting?  My
> past experience has been that Nvidia has better OpenGL drivers than ATI.

reima@marvin:/tmp$ uname -a
Linux marvin 2.6.27-11-generic #1 SMP Thu Jan 29 19:24:39 UTC 2009 i686 
GNU/Linux
reima@marvin:/tmp$ ruby -v
ruby 1.8.7 (2008-08-11 patchlevel 72) [i486-linux]
reima@marvin:/tmp$ head -n 12 /proc/cpuinfo
processor  : 0
vendor_id  : AuthenticAMD
cpu family  : 15
model    : 72
model name  : AMD Turion(tm) 64 X2 Mobile Technology TL-52
stepping  : 2
cpu MHz    : 1600.000
cache size  : 512 KB
physical id  : 0
siblings  : 2
core id    : 0
cpu cores  : 2
reima@marvin:/tmp$ lspci | grep VGA
02:00.0 VGA compatible controller: nVidia Corporation G70 [GeForce Go 
7600] (rev a1)
reima@marvin:/tmp$ ruby gears_using_shaders.rb
14146 frames in  5.000 seconds = 2829.200 FPS
15088 frames in  5.000 seconds = 3017.600 FPS
15100 frames in  5.000 seconds = 3020.000 FPS
15100 frames in  5.000 seconds = 3020.000 FPS
15091 frames in  5.000 seconds = 3018.200 FPS
reima@marvin:/tmp$ ruby gears.rb
23585 frames in  5.000 seconds = 4717.000 FPS
24379 frames in  5.000 seconds = 4875.800 FPS
24410 frames in  5.000 seconds = 4882.000 FPS
24396 frames in  5.000 seconds = 4879.200 FPS
24314 frames in  5.000 seconds = 4862.800 FPS
reima@marvin:/tmp$ glxgears
25291 frames in 5.0 seconds = 5058.096 FPS
25284 frames in 5.0 seconds = 5056.642 FPS
25206 frames in 5.0 seconds = 5041.085 FPS
25111 frames in 5.0 seconds = 5022.135 FPS
25252 frames in 5.0 seconds = 5050.322 FPS

-Matthias
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