accumulator 207 ompi/mca/coll/base/coll_base_reduce.c void* accumulator = accumbuf + (ptrdiff_t)(segindex-1) * (ptrdiff_t)segment_increment; accumulator 214 ompi/mca/coll/base/coll_base_reduce.c ompi_op_reduce(op, local_op_buffer, accumulator, prevcount, accumulator 222 ompi/mca/coll/base/coll_base_reduce.c ret = MCA_PML_CALL( send( accumulator, prevcount,