+COLL_APPLY(action, COLL_ALLTOALLV_SIG, ring) COLL_sep \
+COLL_APPLY(action, COLL_ALLTOALLV_SIG, ring_light_barrier) COLL_sep \
+COLL_APPLY(action, COLL_ALLTOALLV_SIG, ring_mpi_barrier) COLL_sep \
+COLL_APPLY(action, COLL_ALLTOALLV_SIG, ring_one_barrier) COLL_sep \