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Forum: OpenFOAM

May 25, 2008, 16:35

Replies: 5

Network hardware used in clusters

Views: 1,558

Posted By bastil

I do not understand what you m

I do not understand what you mean. Of course a switch can handle all. However, if you distribute a CFD case into more than about 16 parts communication overhead grows non-linear. That means for these...

Forum: OpenFOAM

May 25, 2008, 10:23

Replies: 5

Network hardware used in clusters

Views: 1,558

Posted By bastil

It is strongly application and

It is strongly application and code-dependend. As a rute of thumb:

For calculations on more than 16 cpus "normal" gigabyte ethernet is too slow mostly. Nevertheless it is also dependend on...

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