On Sat, 23 Jun 2012 18:22:05 -0400, Dieter BSD wrote:
Some people are of the opinion that the output of a GPU doesn't
need to be absolutely correct. "It's just graphics." One can be
sloppy, rounding results, leaving out things like ECC, and so on.
Sometimes getting the right output matters, even with graphics.
http://gizmodo.com/5919149/your-brain-scan-looks-different-on-mac-and-pc
A design that works correctly can be a selling point. Not just
for medical imaging, but also for those using GPU for design
calculations, and probably many other uses.
Furthermore, testing something inaccurate can be ... too complex.
Finally, just ask the people who used CRAY and CDC computers :-D
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