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To: kpf who wrote (240301)9/11/2007 8:31:39 PM
From: PetzRead Replies (1) | Respond to of 275872
 
On *real* supercomputer workloads, I agree that Budapest will be better, but interconnect speed is a lot less of an issue with Opteron systems than with the Intel-based systems on the top500 list. Most of them use a loose Infiniband interconnect based on PCIe, and it has twice the latency (and lower bandwidth) of HTX-based interconnect, or, even better, custom HT connections.

Petz


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