Hello Do you know which one
 

Hello

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

regards
mou

OpenMPI is the dault for openf
 

OpenMPI is the dault for openfoam 1.4.1.

Ning

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

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

Please check the post for an u
 

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