New MPI Functions

Int MPI_Comm_group( MPI_Comm comm,

MPI_Group *group)

int MPI_Group_incl( MPI_Group old_group,

int new_group_size,

int *ranks_in_old_group,

MPI_Group *new_group)

int MPI_Comm_create( MPI_Comm old_comm,

MPI_Group new_group,

MPI_Comm *new_comm)

Note that first two are local operations but the third is a collective operation!

Previous slide

Next slide

Back to first slide

View graphic version