mca_coll_basic_neighbor_alltoall  269 ompi/mca/coll/basic/coll_basic.h      int mca_coll_basic_neighbor_alltoall(const void *sbuf, int scount, struct ompi_datatype_t *sdtype, void *rbuf,
mca_coll_basic_neighbor_alltoall  132 ompi/mca/coll/basic/coll_basic_module.c     basic_module->super.coll_neighbor_alltoall = mca_coll_basic_neighbor_alltoall;