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

Jack jack at rybn.org
Sat May 21 18:16:29 CEST 2011

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.


>   _______________________________________________________________________
> | Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal, QC
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 490 bytes
Desc: This is a digitally signed message part
URL: <http://lists.puredata.info/pipermail/pd-list/attachments/20110521/407e1ada/attachment.pgp>

More information about the Pd-list mailing list