[GRASS-dev] GRASS and GPGPU

[Dylan Beaudette]

On Saturday 01 March 2008, Benjamin Ducke wrote:
> Yes, that is an excellent thought. I was considering this possibility
> for speeding up common interpolation, image transformation and
> resampling, as well.
>
> Kriging in realtime, anyone? ;)
>
> Of course, this would have to be implemented in a GPU-specific library.
>
> NVidia has the CUDA SDK, which is not open source at the moment, but
> the pressure is on:
>
> http://forums.nvidia.com/lofiversion/index.php?t28458.html
>
> ATI already seems to have their stuff (CTM) opened up.
>
> Maybe a proof-of-concept GPGPU module would make a nice little SoC
> project?

Exactly-- that seems like an ideal candidate: cutting edge and exciting-- 
something that seems very fundable.

Good idea!

Dylan

> Benjamin
>
> Dylan Beaudette wrote:
> > Has anyone considered the possibility of doing stream-based calculations
> > on the GPU [1] for raster operations on large datasets ?
> >
> > 1. http://en.wikipedia.org/wiki/GPGPU
> >
> > It appears that this method works best on highly vectorized instructions,
> > often in 2 "dimensions"-- appropriate for matrix/grid computations.
> >
> > Just a thought.
> >
> > Dylan



-- 
Dylan Beaudette
Soil Resource Laboratory
http://casoilresource.lawr.ucdavis.edu/
University of California at Davis
530.754.7341