On Fri, May 23, 2003 at 05:04:17AM -0400, Paul Winkler wrote: > On Fri, May 23, 2003 at 09:32:39AM +0100, Steve Harris wrote: > > Theres also the potnetial of using high end graphics cards to run DSP > > sofrtware, there quite good at FFTs aparently, something like 20x faster > > than a good P4. > > <question mode="dumb"> > But how do you get the result back? > can graphics cards give data back to the cpu, or is it just a 1-way trip > to the monitor? > </dumb> > <answer mode="guessing"> Lacking a programmable GFX-card I've only looked briefly at Cg, but I think it's runtime allows you to transmit/fetch data to/from progs running on the GPU. </answer> ;-) cheers, Christian Henz
