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Forum: OpenFOAM

May 26, 2008, 04:18

Replies: 5

Network hardware used in clusters

Views: 1,562

Posted By kar

So the story is about timestep

So the story is about timestep computing time compared with time necessary to exchange boundary values. Gigabyte network might have two speed problems: too little transfer speed and latencies. By...

Forum: OpenFOAM

May 25, 2008, 15:41

Replies: 5

Network hardware used in clusters

Views: 1,562

Posted By kar

You mean > 16core machine?? El

You mean > 16core machine?? Else it makes some kind of nonsense to me - switch should be able to handle properly all of it's connects, isn't that right?

Forum: OpenFOAM

May 25, 2008, 08:32

Replies: 5

Network hardware used in clusters

Views: 1,562

Posted By kar

Hello, I'm interested in what

Hello,
I'm interested in what kind of networking people use for effective parallel CFD computing? When it is sufficient with some cat5 wiring + switches and when something faster, like Infiniband...

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