Re: [OMPI users] MPI running in Unikernels

2017-08-13 Thread Keith Collister
Gilles, Thank you for your reply. Your last point is what I'm trying to achieve, as unikernels are only really able to run one process at a time. Given that this seems to require a "heavier" system than what's available inside a unikernel, I think it's going to be either impossible or an

Re: [OMPI users] MPI running in Unikernels

2017-08-11 Thread Gilles Gouaillardet
Keith, MPI is running on both shared memory (e.g. one single node) and distributed memory (e.g. several independent nodes). here is what happens when you mpirun -np a.out 1. an orted process is remotely spawned to each node 2. mpirun and orted fork a.out unless a batch manager is used, remote