CFD Online Discussion Forums

CFD Online Discussion Forums (http://www.cfd-online.com/Forums/)
-   OpenFOAM Running, Solving & CFD (http://www.cfd-online.com/Forums/openfoam-solving/)
-   -   OpenMP or MPI (http://www.cfd-online.com/Forums/openfoam-solving/59346-openmp-mpi.html)

mamaly60 October 29, 2007 17:06

Hello Do you know which one
 
Hello

Do you know which one, OpenMP or MPI, OpenFOAM use?

regards
mou

nzy102 October 29, 2007 17:17

OpenMPI is the dault for openf
 
OpenMPI is the dault for openfoam 1.4.1.

Ning

mamaly60 October 29, 2007 17:54

I know that OpenFOAM use it's
 
I know that OpenFOAM use it's openmpi with version 1.2.3. If I want to use another Openmpi or other parallization stuff like HP_MPI how can I do that?
Can I do that without compiling the whole code?

Regards,
mou

msrinath80 October 29, 2007 19:07

Yes. Read my post on HP-MPI. I
 
Yes. Read my post on HP-MPI[1]. I was able to rebuild the parallel library, libPstream.so (which is the only major thing you need to rebuild when switching MPI libraries) with some tweaking.

[1] http://www.cfd-online.com/OpenFOAM_D...es/1/5302.html

msrinath80 October 30, 2007 23:31

Please check the post for an u
 
Please check the post for an update by Eugene for HPMPI.


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