On Fri, 17 Feb 2017, r...@open-mpi.org wrote:

Depends on the version, but if you are using something in the v2.x range, you should be okay with just one installed version

Thanks Ralph.

How good is MPI_THREAD_MULTIPLE support these days and how far up the wishlist is it, please?

We don't get many openmpi-specific queries from users but, other than core binding, it seems to be the thing we get asked about the most (I normally point those people at mvapich2 or intelmpi instead).

Cheers,

Mark
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