[GRASS-dev] Modules for GPU-based upgrade?

Dylan Beaudette debeaudette at ucdavis.edu
Fri Apr 2 16:03:22 EDT 2010


On Friday 02 April 2010, Seth Price wrote:
> I'm a student interested in a Summer of Code project to improve some
> modules with GPU-based code. In theory, this could result in a 50x
> speedup for embarrassingly parallel operations (ie. raster). There is
> a list of some possible modules for upgrade here:
> http://grass.osgeo.org/wiki/GPU
>
> What would the GRASS community think of also including these modules
> as options for improvement? Do they need a speedup? Am I missing
> anything?
>
> - r.resamp.interp (spline & Lanczos would be added)
> - r.slop.aspect
> - r.texture
> - i.sunhours
> - i.vi
>
> These also work out well for my thesis work (land cover
> classification), which gives me extra motivation. ;)
> ~Seth

Hi,

I think that it sounds like a great idea. Have any ideas on how to keep double 
precision when working with the GPU?

Cheers,
Dylan


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


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