Assuming you want to learn about MPI (and not the Open MPI internals),
the books by Bill Gropp et al. are the reference :
https://www.mcs.anl.gov/research/projects/mpi/usingmpi/
(Using MPI 3rd edition is affordable on amazon)
Cheers,
Gilles
My apologies if this has been asked before, however a Google search on
books about (open)MPI returns a bunch of material written between 1990s and
early 2000s, it is difficult to find anything "fresh" on (open)MPI
programming. In comparison, if someone wants to learn about Spark and
distributed com
Ralph, John, Prentice
Thank you for your replies.
Indeed, —bind-to none or —bind-to socket solved my problem…
mpirun —bind-to socket -host node1,node2 -x OMP_NUM_THREADS=4 -np 2 xhpl
… happily runs 2 xhpl process, one on each node, with 4 cores fully utilised.
The hints about top/htop/pstree/l
