Gaussian blur with core image, using CPU or GPU?

First, I sent this once but I don't think it made it onto the list. I've done a quick search of the archives and couldn't find it. I apologize in advance if this end up being a double post. Hi everyone, I'm trying to write a bilateral filter using Core Image with the specific goal of having it pr

Gaussian blur with core image, using CPU or GPU?

Hi everyone, I'm trying to write a bilateral filter using Core Image with the specific goal of having it preform the filter on the GPU for high performance as this will be for large 4d data sets. I started out by reading the Core Image Programming Guide and came to the "Writing Nonexecutable Filt