Depends on the version, but if you are using something in the v2.x range, you should be okay with just one installed version
> On Feb 17, 2017, at 4:41 AM, Mark Dixon <m.c.di...@leeds.ac.uk> wrote: > > Hi, > > We have some users who would like to try out openmpi MPI_THREAD_MULTIPLE > support on our InfiniBand cluster. I am wondering if we should enable it on > our production cluster-wide version, or install it as a separate "here be > dragons" copy. > > I seem to recall openmpi folk cautioning that MPI_THREAD_MULTIPLE support was > pretty crazy and that enabling it could have problems for > non-MPI_THREAD_MULTIPLE codes (never mind codes that explicitly used it), so > such an install shouldn't be used unless for codes that actually need it. > > Is that still the case, please? > > Thanks, > > Mark > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://rfd.newmexicoconsortium.org/mailman/listinfo/users _______________________________________________ users mailing list users@lists.open-mpi.org https://rfd.newmexicoconsortium.org/mailman/listinfo/users