[directfb-users] Re: G400 performance boost!

[Denis Oliver Kropp <dok@directfb.org>]

Quoting Denis Oliver Kropp:
> Quoting Ville Syrjälä:
> > I just poked around in matroxfb to get the G400 chip clocked properly. The
> > results are quite good. df_dok results at 1024x768@RGB16. CPU is a Duron
> > 1300MHz.
> > 
> > Benchmarking with 256x256 in 16bit mode... (16bit)
> > 
> > Anti-aliased Text                              3.001 secs ( 1073.642 KChars/sec)
> > Anti-aliased Text (blend)                      3.001 secs ( 1073.642 KChars/sec)
> > Fill Rectangles                                3.000 secs ( 3158.835 MPixel/sec)
> > Fill Rectangles (blend)                        3.017 secs (  241.116 MPixel/sec)
> > Fill Triangles                                 3.000 secs ( 2005.401 MPixel/sec)
> > Fill Triangles (blend)                         3.005 secs (  236.627 MPixel/sec)
> > Draw Rectangles                                3.001 secs (   73.642 KRects/sec)
> > Draw Rectangles (blend)                        3.003 secs (   29.570 KRects/sec)
> > Draw Lines                                     3.001 secs (  359.213 KLines/sec)
> > Draw Lines (blend)                             3.004 secs (  147.802 KLines/sec)
> > Blit                                           3.011 secs (  444.016 MPixel/sec)
> > Blit colorkeyed                                3.008 secs (  455.353 MPixel/sec)
> > Blit with format conversion                    3.016 secs (  208.602 MPixel/sec)
> > Blit from 32bit (alphachannel blend)           3.036 secs (  179.166 MPixel/sec)
> > Blit from 8bit palette                         3.027 secs (   67.116 MPixel/sec)
> > Blit from 8bit palette (alphachannel blend)    3.903 secs (    5.037 MPixel/sec)
> > Stretch Blit                                   3.013 secs (  222.918 MPixel/sec)
> > Stretch Blit colorkeyed                        3.016 secs (  223.325 MPixel/sec)
> > 
> > 50% increase in most benchmarks! Before my G450 was faster than the G400
> > in most categories but now it can't keep up in any bechmark ;) I'd like to
> > see this compares to a G550. Anyone care to post some results?
> 
> This is incredible ;)
> 
> What did you change? Will it boost SDRAM or even G450, too?
> 
> My current results on a G450:
> 
> 
> Benchmarking with 256x256 in 16bit mode... (16bit)
> 
> Anti-aliased Text                              3.004 secs (  729.826 KChars/sec)
> Anti-aliased Text (blend)                      3.002 secs (  736.309 KChars/sec)
> Fill Rectangles                                3.006 secs (  817.564 MPixel/sec)
> Fill Rectangles (blend)                        3.006 secs (  220.197 MPixel/sec)
> Fill Triangles                                 3.001 secs (  673.703 MPixel/sec)
> Fill Triangles (blend)                         3.009 secs (  203.642 MPixel/sec)
> Draw Rectangles                                3.000 secs (   44.466 KRects/sec)
> Draw Rectangles (blend)                        3.001 secs (   20.859 KRects/sec)
> Draw Lines                                     3.004 secs (  213.049 KLines/sec)
> Draw Lines (blend)                             3.002 secs (  100.932 KLines/sec)
> Blit                                           3.008 secs (  420.493 MPixel/sec)
> Blit colorkeyed                                3.002 secs (  423.517 MPixel/sec)
> Blit with format conversion                    3.017 secs (  191.155 MPixel/sec)
> Blit from 32bit (alphachannel blend)           3.015 secs (  169.545 MPixel/sec)
> Blit from 8bit palette                         3.030 secs (   19.466 MPixel/sec)
> Blit from 8bit palette (alphachannel blend)    3.910 secs (    3.352 MPixel/sec)
> Stretch Blit                                   3.020 secs (  203.738 MPixel/sec)
> Stretch Blit colorkeyed                        3.016 secs (  204.803 MPixel/sec)

Forgot to note: 800 MHz P3

-- 
Best regards,
  Denis Oliver Kropp

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