boost::mpi::operator!= — Determines whether two process groups are not identical.
// In header: <boost/mpi/group.hpp> bool operator!=(const group & g1, const group & g2);
Equivalent to calling MPI_Group_compare and checking whether the result is not MPI_IDENT.
MPI_Group_compare
MPI_IDENT
Returns:
False when the two process groups contain the same processes in the same order.
