[OMPI users] MPI_Neighbor_alltoallv questions

I'm looking at replacing/modernizing an old application-specific MPI layer that was written around the turn of the century (that sounds odd). A major part of it is a mesh subdomain "halo exchange" for domain decomposition. When I dug into the implementation I was a little surprised to see it used p

Re: [OMPI users] need help installing mpi4py on openmpi

thanks, to all on this list for getting me this far. my next step is to install mpi4py on the cluster master node. I am looking for a suggested list of commands to do this. notes running openmpi 3.1.0 raspberry pi 3 b + raspian stretch thanks neil ---