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Forum: OpenFOAM Running, Solving & CFD

June 30, 2009, 15:46

Replies: 1

Performance 1.5-dev with ggi

Views: 1,247

Posted By bastil

Some more infos to add: FLUENT runs with HP-MPI...

Some more infos to add:
FLUENT runs with HP-MPI and 2nd order upwind. OF with the central differencing schemes. I have read that these are quickest in OF.
I am not sure if the poor performance is...

Forum: OpenFOAM Running, Solving & CFD

June 30, 2009, 11:51

Replies: 1

Performance 1.5-dev with ggi

Views: 1,247

Posted By bastil

Performance 1.5-dev with ggi

Dear all,

I run a large case with about 30 million cells on 32 CPUs using openmpi1.6 from OpenFOAM build with mx-support. One iteration for this run takes about 80 seconds. Fluent uses about 60...

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