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rick merritt
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re: Cray will use Intel MIC, branded Xeon Phi
rick merritt   6/19/2012 3:51:16 AM
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I'd love to hear comments from anyone who has kicked the tires on Knights Corner.

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re: Cray will use Intel MIC, branded Xeon Phi
markhahn0   6/19/2012 5:16:22 AM
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the Brookwood quote is disappointing, since he seems to have missed the point: it's not about x86 ISA, but rather the programming model we all know and love. anyone who has spent time rewriting code to suit the moving target of GPUs will appreciate a relatively normal memory model, threads, caches, shared memory and message passing. the Joules-per-flop argument is a good and interesting one, but it naively assumes that every workload is trivially malleable into the rather rigid model that GPUs provide. the rash of large and relatively power-efficient Bluegene machines also questions the claim that efficient computation requires the GPU model...



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