Have you tried subcommunicators? MPI is well-suited to hierarchical parallelism since MPI-1 days.
Additionally, MPI-3 enables MPI+MPI as George noted. Your question is probably better suited for Stack Overflow, since it's not implementation-specific... Jeff On Fri, Nov 25, 2016 at 3:34 AM Diego Avesani <diego.aves...@gmail.com> wrote: > Dear all, > > I have the following question. Is it possible to cast an MPI inside > another MPI? > I would like to have to level of parallelization, but I would like to > avoid the MPI-openMP paradigm. > > Another question. I normally use openMPI but I would like to read > something to understand and learn all its potentialities. Can anyone > suggest me any book or documentation? > > Thanks > > Diego > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://rfd.newmexicoconsortium.org/mailman/listinfo/users
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