FANOUT            372 ompi/mca/coll/base/coll_base_functions.h #define COLL_BASE_UPDATE_CHAIN( OMPI_COMM, BASE_MODULE, ROOT, FANOUT )	\
FANOUT            377 ompi/mca/coll/base/coll_base_functions.h            && (coll_comm->cached_chain_fanout == (FANOUT)) ) ) {                                 \
FANOUT            381 ompi/mca/coll/base/coll_base_functions.h         coll_comm->cached_chain = ompi_coll_base_topo_build_chain((FANOUT), (OMPI_COMM), (ROOT)); \
FANOUT            383 ompi/mca/coll/base/coll_base_functions.h         coll_comm->cached_chain_fanout = (FANOUT);                                               \