:- use_module(library(lam_mpi)). :- initialization(main). main :- mpi_init, mpi_comm_size(Sz), mpi_comm_rank(Rank), mpi_version(V0,V1), format('MPI ~d.~d workers=~d id=~d~n', [V0,V1,Sz, Rank]), mpi_finalize.