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Forum: OpenFOAM Running, Solving & CFD

June 25, 2020, 13:34

Replies: 3

A cluster of 2 is almost 5x slower than individual node

Views: 719

Posted By Mars409

Thanks for the tip off. I ran it and got no...

Thanks for the tip off.

I ran it and got no profiling results.

It turns out need to set compiling option to 'Prof':
export WM_COMPILE_OPTION=Prof

Re-compiled OpenFOAM yesterday evening.
...

Forum: OpenFOAM Running, Solving & CFD

June 21, 2020, 10:16

Replies: 3

A cluster of 2 is almost 5x slower than individual node

Views: 719

Posted By Mars409

A cluster of 2 is almost 5x slower than individual node

I put together a cluster of two(2) raspberryPi-4 boards and ran MPPICFoam (almost, save not writing out the volume fields) across 8 processors, four from each board. The time step is around 5e-6s. No...

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