ompi_coll_base_reduce_scatter_block_intra_butterfly 284 ompi/mca/coll/base/coll_base_functions.h int ompi_coll_base_reduce_scatter_block_intra_butterfly(REDUCESCATTERBLOCK_ARGS); ompi_coll_base_reduce_scatter_block_intra_butterfly 133 ompi/mca/coll/tuned/coll_tuned_reduce_scatter_block_decision.c case (4): return ompi_coll_base_reduce_scatter_block_intra_butterfly(sbuf, rbuf, rcount, dtype, op, comm,