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Forum: OpenFOAM Running, Solving & CFD

January 23, 2009, 06:59

Replies: 20

Problem with parallelization speedup using many CPUbs

Views: 4,253

Posted By carsten

Hi Andreas! Yes, definitely

Hi Andreas!

Yes, definitely you're running on a single CPU. This explains the strange results.

About your job-script: I had similar problems when trying to run with the supplied OpenMPI and...

Forum: OpenFOAM Running, Solving & CFD

January 22, 2009, 02:54

Replies: 20

Problem with parallelization speedup using many CPUbs

Views: 4,253

Posted By carsten

Hi Andreas, I don't want to so

Hi Andreas, I don't want to sound stubborn, but I think you misinterprete your results or your set-up is wrong or I still don't understand your set-up.

What your're saying is that for a mesh of...

Forum: OpenFOAM Running, Solving & CFD

January 21, 2009, 09:32

Replies: 20

Problem with parallelization speedup using many CPUbs

Views: 4,253

Posted By carsten

Dear Andreas, maybe I didn'

Dear Andreas,

maybe I didn't understand your table:

> My results are then:
> 1 CPU Clock=7222 Execution=7207.49 Speedup 1.00
> 2 CPU Clock=7187 Execution=3610.08 Speedup 1.00
> 4 CPU...

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