NBC_RED_CHAIN     114 ompi/mca/coll/libnbc/nbc_ireduce.c       alg = NBC_RED_CHAIN;
NBC_RED_CHAIN     118 ompi/mca/coll/libnbc/nbc_ireduce.c       alg = NBC_RED_CHAIN;
NBC_RED_CHAIN     124 ompi/mca/coll/libnbc/nbc_ireduce.c       alg = NBC_RED_CHAIN;
NBC_RED_CHAIN     177 ompi/mca/coll/libnbc/nbc_ireduce.c         case NBC_RED_CHAIN: