a bit hard to complain about it being slow (#3) considering the enormous complexity involved, no? It is if the original premise was to make Photoshop filters f

a bit hard to complain about it being slow (#3) considering the enormous complexity involved, no? It is if the original premise was to make Photoshop filters fast. A GPU can make my Photoshop filters fast now an FPGA implementation can make them fast 8 to 24 hours from now.