#define COLL_ALLREDUCES(action, COLL_sep) \
COLL_APPLY(action, COLL_ALLREDUCE_SIG, lr) COLL_sep \
-COLL_APPLY(action, COLL_ALLREDUCE_SIG, NTS) COLL_sep \
COLL_APPLY(action, COLL_ALLREDUCE_SIG, rab1) COLL_sep \
COLL_APPLY(action, COLL_ALLREDUCE_SIG, rab2) COLL_sep \
COLL_APPLY(action, COLL_ALLREDUCE_SIG, rab_rdb) COLL_sep \