[PD] opengl performance on osX ; Re: four PS3 Eye on Mac Pro and Pd-ext and GEM

[Jack]

Le samedi 21 mai 2011 à 12:06 -0400, Mathieu Bouchard a écrit :
> On Sat, 21 May 2011, cyrille henry wrote:
> 
> > from my experience, Gem is 2 times faster on the same computer using 
> > ubuntu than osX. thanks to nvidia profiling tools, Nicolas pointed that 
> > gem is limited to 50% usage of the GPU. there is certainly a limitation 
> > somewhere on osX preventing application to use full performance of the 
> > hardware. so, you applications are slower, but the interface will always 
> > be smooth...
> 
> There's a setting in Gnome/Ubuntu for choosing no effects, normal effects, 
> extra effects. This may make a difference. What kind of performance 
> difference do you get when you change that setting ? It might explain part 
> of what happens on OSX, perhaps (where, afaik, you don't have such a 
> setting, and effects level is somewhere between ubuntu's normal and extra 
> levels).
Yep, of course, you have to choose 'no effect' in 'Appearance' to get
best frame rate. MacOSX should have this option too.
++

Jack


> 
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