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Forum: OpenFOAM Running, Solving & CFD

January 9, 2007, 11:45

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,379

Posted By eugene

I guess you could get a very l

I guess you could get a very large superlinear speedup if you case is small compared to the cache size. L2 cache latency is 5-10 times lower than main memory, so that would account for the...

Forum: OpenFOAM Running, Solving & CFD

January 9, 2007, 07:53

Replies: 18

Superlinear speedup in OpenFOAM 13

Views: 10,379

Posted By eugene

This is remarkable. I have a c

This is remarkable. I have a couple of 8way Opteron VX50s in the office and they do not show anywhere near this kind of performance.

In fact a single cpu on the 8-way performs significantly...

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