On Tue, Mar 16, 2010 at 6:45 AM, Abhishek Shukla <[email protected]> wrote: > Dr. Helena > I was wondering about which platform to consider for parallelization of > v.surf.rst , v.vol.rst etc. Till now I was thinking to do it for GPU and > Cell BE. If doing it in OpenCL or OpenMP will increase its usability , > doing it on those platforms makes more sense. Currently I am planning to do > this on CUDA before gsoc starts in May.
@all: Please consider to add material as relevant here: http://grass.osgeo.org/wiki/GPU > My plan for gsoc is to this in > OpenCL, so the project may be titled something like "Rewriting RST modules > of GRASS GIS in OpenCL" . Maybe, to increase the possibility to be accepted (suggestion): "Parallelization of GRASS GIS in OpenCL: The RST modules case" or so...? > Has anyone signed up already for mentoring this project ? Not that at know besides Helena's offer. > I am starting to do system of linear equations now on CUDA (for GPU) . > Please keep me posted about any information on other time consuming part of > RST modules. (I take liberty to cross-post Helena's answer from the SOC list here, for the record): On Mon, Mar 15, 2010 at 8:31 PM, Helena Mitasova <[email protected]> wrote: > Do the system of linear equations first - it should help on several levels > because it will also make it possible to run the interpolation with fewer > larger segments > and larger neighborhood reducing the instances when segments may be visible > in the resulting grid. > > Computing grid may be time consuming for certain values of tension - I would > have to look at it. > Checking the interpolating function at given points should be made optional - > it depends on how > many points there are - it could take as much time as computing the grid. > > Finding points should not take too much time unless the spatial distribution > of points > is very heterogeneous, but I would have to look at it. > > you can write me off-this list (maybe cc to GRASS dev list) as SoC list is > mostly > to organize GSoC (at least that is how I understand its purpose), > > Helena > > > Helena Mitasova > Associate Professor > Department of Marine, Earth and Atmospheric Sciences > North Carolina State University > Raleigh, NC 27695 > [email protected] Best, Markus _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
