On Fri, Jul 16, 2010 at 9:49 PM, Genes MailLists <span dir="ltr"><<a href="mailto:lists@sapience.com">lists@sapience.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
On 07/16/2010 08:07 PM, Robert Myers wrote:<br>
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We ett that this stuff may not help your problem domain - don't<br>
assume all problems look like the one(s) you are interested in.<br>
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This stuff is useful - I have seen it as have many others ... it is<br>
not a panacea ... stop harping please ... and try understand the useful<br>
side as well as the limitations .. it has limitations - as do people.<br></blockquote><div><br></div><div>If you wanted this discussion to end, why are you continuing it?</div><div><br></div><div>Gordon Bell asked (about huge computers) in a presentation now 12 years old: "Is it worth it?"</div>
<div><br></div><div>If you're not going to get new science out of a huge new computer, then why spend the money?</div><div><br></div><div>I have one answer to where there is possibly new science, but we never get the computer to explore it.</div>
<div><br></div><div>"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.</div>
<div><br></div><div>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). </div>
<div><br></div><div>If you want to say, "GPGPU's will help *my* problem, so I want one," I have no answer for that.</div><div><br></div><div>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. </div>
<div><br></div><div>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?</div>
<div><br></div><div>Robert.</div><div><br></div></div>