MPI COMM GROUP EXample Include " mpi.h MPI Comm comm world MPI Group group world comm world MPI COMM WORLD MPI Comm group(comm world, &group world)MPI_COMM_GROUP • Example #include "mpi.h" MPI_Comm comm_world; MPI_Group group_world; comm_world = MPI_COMM_WORLD; MPI_Comm_group(comm_world, &group_world);