GPU's as floating point coprocessors
dnewsgroup at billbaxter.com
Mon Oct 9 16:23:27 PDT 2006
Ok. I didn't get that far in watching the channel 9 video. So it
sounds like OpenMP for the GPU then. Neat. How's the support for
double precision floating point? Also what happens when the user has
crappy built-in Intel chipset graphics? If they're going to solve those
issues for us then it will be very useful indeed.
>> Hmm. It sounds pretty much like OpenMP.
> I might be wrong, but as far as I can see OpenMP doesn't use the gpu.
> Using the gpu as a coprocessor isn't that difficult though, just find code
> which can be done faster through the gpu pipelines.
> Reading through the opengl redbook might give you some clues as to which
> kind of operations you should be looking.
> Translate the problem 'graphically' et voila profit.
> I intent to use the gpu for parts of the AI in my upcoming games(just wait
> another year or so :)
> But yes, it would be nice to have a project going which would setup
> everything (in opengl) and have some basic functions which would be done by
> the gpu. It shouldn't even be too difficult to let opengl stay your main
> device for screen output :D
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