large_message_size  471 ompi/mca/coll/tuned/coll_tuned_decision_fixed.c     const size_t large_message_size = 256 * 1024;
large_message_size  495 ompi/mca/coll/tuned/coll_tuned_decision_fixed.c         ((total_message_size <= large_message_size) && (pow2 == comm_size)) ||