How Calculate HPC Interconnection Speed?

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Psixa

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May 8, 2014
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Hello Gurus,

I'm new to interconnection and have a question about it. I searched much, but could not find any direct answers about it.

Lets say we have smallest number of nodes for interconnection, two identical server computers with 4-way AMD sockets and AMD Opteron 6380 CPUs each, also 192GB RAM for each server.

My question is how many QDR 40Gb/s ports do we need for the best interconnection performance for this kind of servers?

I hope some of you can answer this question, thanks for your valuable time!
 
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