COLL_APPLY(action, COLL_ALLTOALL_SIG, ring_light_barrier) COLL_sep \
COLL_APPLY(action, COLL_ALLTOALL_SIG, ring_mpi_barrier) COLL_sep \
COLL_APPLY(action, COLL_ALLTOALL_SIG, ring_one_barrier) COLL_sep \
-COLL_APPLY(action, COLL_ALLTOALL_SIG, simple) COLL_sep \
COLL_APPLY(action, COLL_ALLTOALL_SIG, ompi) COLL_sep \
COLL_APPLY(action, COLL_ALLTOALL_SIG, mpich) COLL_sep \
-COLL_APPLY(action, COLL_ALLTOALL_SIG, ompi_pairwise) COLL_sep \
COLL_APPLY(action, COLL_ALLTOALL_SIG, automatic)
COLL_ALLTOALLS(COLL_PROTO, COLL_NOsep)
int root, MPI_Comm comm)
#define COLL_BCASTS(action, COLL_sep) \
-COLL_APPLY(action, COLL_BCAST_SIG, arrival_nb) COLL_sep \
COLL_APPLY(action, COLL_BCAST_SIG, arrival_pattern_aware) COLL_sep \
COLL_APPLY(action, COLL_BCAST_SIG, arrival_pattern_aware_wait) COLL_sep \
COLL_APPLY(action, COLL_BCAST_SIG, arrival_scatter) COLL_sep \