[Beowulf] which mpi library should I focus on?
hahn at mcmaster.ca
Tue Feb 23 09:09:15 EST 2010
> i've not written MPI programs before. I've written plenty of C and
> Java, however, and I think I can learn. I'm trying to decide whether
> to concentrate on OpenMPI or MPICH2 as I get started. In the
> Internet, I find plenty of people who are fiercely devoted to MPICH2,
> and I also find plenty of people who say OpenMPI is now the "preferred
why do you think it would make any difference? it's also normally
pretty trivial to switch.
> What are the reasons to prefer one or the other?
none - it's a matter of taste, especially since your application will
not be sensitive to minor differences.
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