[PD] Raspberry Pi : DSP on the GPU ? (WAS : Message from the boss of Raspberry Pi Foundation !)

[Cyrille Henry]

Le 09/02/2013 18:55, Jonathan Sheaffer a écrit :
> Just as a side-note, and although this does not seem feasible on the RPi (at least yet), anybody generally interested in audio DSP on GPUs may want to have a look at:
>
> Savoija, Lauri, Vesa Valimaki, and Julius O. Smith. "Audio Signal Processing Using Graphics Processing Units." /Journal of the Audio Engineering Society/ 59.1-2 (2011): 3-19.
>
> In my experience, doing scientific computations by tricking a GPU into thinking that it's processing graphics (e.g. by using OpenGL), is quite painful. So in the absence of an official framework like OpenCL or CUDA, which provides a relatively simple means of abusing a GPU, chasing this one on the RPi would be a nightmare...
>

if your application can profit from parallel processing, and if you can run shaders, then GPGPU is not so complex.

one can also have a look at Gem example : 10.glsl/10.GPGPU
this will however not run on the pi.

cheers
c


> Cheers,
> Jon.
>
>
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