COLL_APPLY(action, COLL_ALLTOALL_SIG, bruck) COLL_sep \
COLL_APPLY(action, COLL_ALLTOALL_SIG, pair) COLL_sep \
COLL_APPLY(action, COLL_ALLTOALL_SIG, pair_rma) COLL_sep \
COLL_APPLY(action, COLL_ALLTOALL_SIG, bruck) COLL_sep \
COLL_APPLY(action, COLL_ALLTOALL_SIG, pair) COLL_sep \
COLL_APPLY(action, COLL_ALLTOALL_SIG, pair_rma) COLL_sep \