[PD] Pd and gpgpu

vade doktorp at mac.com
Sat Nov 10 19:59:48 CET 2007

Max MSP/Jitter has bridge objects that convert from audio rate to  
matrices and back, which would be needed in PD land to readback from  
the GPU, and convert to an audio rate signal. Thats how this is done.  
Otherwise i have no idea how you would implement souch a patch.

On Nov 10, 2007, at 8:55 AM, Georg Holzmann wrote:

> Hallo!
>> it is true that the gpu is unused most of the time and could be  
>> used to
>> do fast calculations, but the main output for graphicscards is the
>> screen and reading back into ram can be slow. (of course "slow" is a
>> relative term). I also see a problem in the different formats for  
>> audio
>> and images. most graphics cards are optimized for vec4 processings (4
>> parallel color channels). and audio...
> Well, there are already quite some papers/software for audio  
> processing
> on the gpu (see e.g.
> http://www.gpgpu.org/cgi-bin/blosxom.cgi/Audio%20and%20Signal%20Processing/index.html) 
> .
> But AFAIK nobody did this with pd up to now ...
> LG
> Georg
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