//A Second MPI C++ Program
//p. 39 Tutorial slides
#include <iostream.h>
#include "mpi++.h"
int main(int argc, char **argv)
{
    MPI::Init(argc, argv);
    int rank = MPI::COMM_WORLD.Get_rank();
    int size = MPI::COMM_WORLD.Get_size();
    cout << "Hello world! I am " << rank << " of "
        << size << endl;
    MPI::Finalize();
    return 0;
}

/*

lamboot -v lamhosts

LAM 6.5.6/MPI 2 C++/ROMIO - University of Notre Dame

Executing hboot on n0 (helium.tjhsst.edu - 1 CPU)...
Executing hboot on n1 (sulfur.tjhsst.edu - 1 CPU)...
Executing hboot on n2 (phosphorus.tjhsst.edu - 1 CPU)...
Executing hboot on n3 (magnesium.tjhsst.edu - 1 CPU)...
topology done

mpiCC -o simple2MpiCpp simple2Mpi.cpp
mpirun N simple2MpiCpp
Hello world! I am 1 of 4
Hello world! I am 2 of 4
Hello world! I am 3 of 4
Hello world! I am 0 of 4

lamclean
lamhalt
*/