On 07/16/2010 08:07 PM, Robert Myers wrote:
We ett that this stuff may not help your problem domain - don't
assume all problems look like the one(s) you are interested in.
This stuff is useful - I have seen it as have many others ... it is
not a panacea ... stop harping please ... and try understand the useful
side as well as the limitations .. it has limitations - as do people.
If you wanted this discussion to end, why are you continuing it?
Gordon Bell asked (about huge computers) in a presentation now 12 years old: "Is it worth it?"
If you're not going to get new science out of a huge new computer, then why spend the money?
I have one answer to where there is possibly new science, but we never get the computer to explore it.
"My" problem domain (fluid mechanics) is a big driver behind the huge expenditures on "supercomputers," which as I have pointed out ad nauseum, are far from super in some really important ways.
The GPU may be a very handy tool for certain kinds of computations, but it almost inherently replicates a design corner-cutting that that is endemic in supercomputing right now (low bytes per flop).
If you want to say, "GPGPU's will help *my* problem, so I want one," I have no answer for that.
If you propose that the GPU is an ideal tool for university level teaching and research that requires hefty computing, as the poster I responded to did, then I have some serious objections based on good science.
I presented my position, I defended my reputation and my position against wild and ignorant slurs, and you have now joined a chorus that wants to comment on my personality, rather than on anything technical. Perhaps you are the one who should stop harping?
Robert.
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