Thank you for the additional info @atrettel. Quite accurate in terms of what I remember of the field. On the NASA perspective, mostly use Linux qsub with MPI.

Thank you for the additional info @atrettel. Quite accurate in terms of what I remember of the field. On the NASA perspective, mostly use Linux qsub with MPI. An example of such is: https://www.nas.nasa.gov/hecc/support/kb/running-multiple-small-rank-mpi-jobs-with-gnu-parallel-and-pbs-job-arrays_545.html https://www.nas.nasa.gov/hecc/support/kb/running-multiple-sm...