int ompi_coll_tuned_gather_intra_dec_dynamic(const void *sbuf, int scount, struct ompi_datatype_t *sdtype, void* rbuf, int rcount, struct ompi_datatype_t *rdtype, int root, struct ompi_communicator_t *comm, mca_coll_base_module_t *module) { mca_coll_tuned_module_t *tuned_module = (mca_coll_tuned_module_t*) module; OPAL_OUTPUT((ompi_coll_tuned_stream, "ompi_coll_tuned_gather_intra_dec_dynamic")); /** * check to see if we have some filebased rules. */ if (tuned_module->com_rules[GATHER]) { int comsize, alg, faninout, segsize, max_requests; size_t dsize; comsize = ompi_comm_size(comm); ompi_datatype_type_size (sdtype, &dsize); dsize *= comsize; alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[GATHER], dsize, &faninout, &segsize, &max_requests); if (alg) { /* we have found a valid choice from the file based rules for this message size */ return ompi_coll_tuned_gather_intra_do_this (sbuf, scount, sdtype, rbuf, rcount, rdtype, root, comm, module, alg, faninout, segsize); } /* found a method */ } /*end if any com rules to check */ if (tuned_module->user_forced[GATHER].algorithm) { return ompi_coll_tuned_gather_intra_do_this(sbuf, scount, sdtype, rbuf, rcount, rdtype, root, comm, module, tuned_module->user_forced[GATHER].algorithm, tuned_module->user_forced[GATHER].tree_fanout, tuned_module->user_forced[GATHER].segsize); } return ompi_coll_tuned_gather_intra_dec_fixed (sbuf, scount, sdtype, rbuf, rcount, rdtype, root, comm, module); }
int ompi_coll_tuned_gather_intra_do_forced(void *sbuf, int scount, struct ompi_datatype_t *sdtype, void* rbuf, int rcount, struct ompi_datatype_t *rdtype, int root, struct ompi_communicator_t *comm, mca_coll_base_module_t *module) { mca_coll_tuned_module_t *tuned_module = (mca_coll_tuned_module_t*) module; OPAL_OUTPUT((ompi_coll_tuned_stream, "coll:tuned:gather_intra_do_forced selected algorithm %d", tuned_module->user_forced[GATHER].algorithm)); switch (tuned_module->user_forced[GATHER].algorithm) { case (0): return ompi_coll_tuned_gather_intra_dec_fixed(sbuf, scount, sdtype, rbuf, rcount, rdtype, root, comm, module); case (1): return ompi_coll_base_gather_intra_basic_linear(sbuf, scount, sdtype, rbuf, rcount, rdtype, root, comm, module); case (2): return ompi_coll_base_gather_intra_binomial(sbuf, scount, sdtype, rbuf, rcount, rdtype, root, comm, module); case (3): return ompi_coll_base_gather_intra_linear_sync(sbuf, scount, sdtype, rbuf, rcount, rdtype, root, comm, module, tuned_module->user_forced[GATHER].segsize); } /* switch */ OPAL_OUTPUT((ompi_coll_tuned_stream, "coll:tuned:gather_intra_do_forced attempt to select algorithm %d when only 0-%d is valid?", tuned_module->user_forced[GATHER].algorithm, ompi_coll_tuned_forced_max_algorithms[GATHER])); return (MPI_ERR_ARG); }