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Comment Re:Yesno? (Score 1) 89

Indeed, the GPU constrained programming model is ill-suited for this, but a Xeon Phi isn't. And the next-gen Xeon Phi will have very low latency networking on board, too.

My bad about tori, the supercomputers I have had access to lately were all fat tree.

Comment Re:/Very/ different hardware (Score 1) 89

It's not that specialized. It's just plenty of DSPs strapped together on a torus.
Unlike what wikipedia claims, you could probably achieve comparable performance using a more classical and general-purpose supercomputer setup with GPU or Xeon Phi accelerators, provided the network topology is well tuned to address this sort of communication scheme (most recent supercomputers don't use tori)

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