[GRASS-dev] OpenCL Parallelization

Jeshua Lacock jeshua at openosx.com
Wed Sep 23 13:08:49 EDT 2009

On Sep 15, 2009, at 7:52 AM, Jyothish Soman wrote:

> Sorry to you all for not being active, I will love to help in this  
> effort. >From September 28 to december end, there is only GRASS  
> coding on the menu for me.
> Please do pass me any work in that time frame OPENCL or CUDA . I  
> will be happy to oblige.
> Also, I think there is scope for using GPU as a coprocessor and  
> splitting work between different processors on the same machine to  
> coexist.
> FYI, I am very much at ease with CUDA (NVidia GPU programming), than  
> any other form of parallelization methods. It is my field of research.


Here is a video of a rather impressive Manifold GIS CUDA demo  
performing a raster operation:


The operation is reduced from 60 seconds to 2 using 1 GPU - imagine if  
they had 4 GPUs! It would go from 60 seconds to nearly realtime....


Jeshua Lacock, Owner
phone: 208.462.4171

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