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/usr/lib/x86_64-linux-gnu/openmpi/include/openmpi/ompi/mca/topo/topo.h
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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */ /* * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana * University Research and Technology * Corporation. All rights reserved. * Copyright (c) 2004-2013 The University of Tennessee and The University * of Tennessee Research Foundation. All rights * reserved. * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, * University of Stuttgart. All rights reserved. * Copyright (c) 2004-2005 The Regents of the University of California. * All rights reserved. * Copyright (c) 2009 Oak Ridge National Labs. All rights reserved. * Copyright (c) 2012-2013 Inria. All rights reserved. * Copyright (c) 2014-2015 Research Organization for Information Science * and Technology (RIST). All rights reserved. * Copyright (c) 2015 Los Alamos National Security, LLC. All rights * reserved. * Copyright (c) 2016-2017 IBM Corporation. All rights reserved. * $COPYRIGHT$ * * Additional copyrights may follow * * $HEADER$ */ #ifndef MCA_TOPO_H #define MCA_TOPO_H #include "ompi_config.h" #include "ompi/mca/mca.h" #include "opal/mca/base/base.h" #include "ompi/communicator/communicator.h" /* Forward reference to ompi_proc_t */ struct ompi_proc_t; typedef struct mca_topo_base_module_t mca_topo_base_module_t; /* * Initial component query, called during mca_topo_base_open. */ typedef int (*mca_topo_base_component_init_query_2_2_0_fn_t) (bool enable_progress_threads, bool enable_mpi_threads); /* * Communicator query, called during cart and graph communicator * creation. */ typedef struct mca_topo_base_module_t* (*mca_topo_base_component_comm_query_2_2_0_fn_t) (const ompi_communicator_t *comm, int *priority, uint32_t type); /* * Structure for topo v2.1.0 components.This is chained to MCA v2.0.0 */ typedef struct mca_topo_base_component_2_2_0_t { mca_base_component_t topoc_version; mca_base_component_data_t topoc_data; mca_topo_base_component_init_query_2_2_0_fn_t topoc_init_query; mca_topo_base_component_comm_query_2_2_0_fn_t topoc_comm_query; } mca_topo_base_component_2_2_0_t; typedef mca_topo_base_component_2_2_0_t mca_topo_base_component_t; /* * Struct for holding graph communicator information */ typedef struct mca_topo_base_comm_graph_2_2_0_t { /* Make this structure be an object so that it has a constructor and destructor. */ opal_object_t super; int nnodes; int *index; int *edges; } mca_topo_base_comm_graph_2_2_0_t; typedef mca_topo_base_comm_graph_2_2_0_t mca_topo_base_comm_graph_t; OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_topo_base_comm_graph_2_2_0_t); /* * Struct for holding cartesian communicator information */ typedef struct mca_topo_base_comm_cart_2_2_0_t { /* Make this structure be an object so that it has a constructor and destructor. */ opal_object_t super; int ndims; int *dims; int *periods; int *coords; } mca_topo_base_comm_cart_2_2_0_t; typedef mca_topo_base_comm_cart_2_2_0_t mca_topo_base_comm_cart_t; OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_topo_base_comm_cart_2_2_0_t); /* * Struct for holding distributed graph information */ typedef struct mca_topo_base_comm_dist_graph_2_2_0_t { /* Make this structure be an object so that it has a constructor and destructor. */ opal_object_t super; int *in; int *inw; int *out; int *outw; int indegree, outdegree; bool weighted; } mca_topo_base_comm_dist_graph_2_2_0_t; typedef mca_topo_base_comm_dist_graph_2_2_0_t mca_topo_base_comm_dist_graph_t; OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_topo_base_comm_dist_graph_2_2_0_t); /* * This union must be declared (can't be anonymous in the struct where * it is used) because we need to be able to resolve it and find field * offsets in the ompi/debuggers/ stuff (i.e., so that debuggers can * parse/understand the individual fields on communicators). */ typedef union mca_topo_base_comm_cgd_union_2_2_0_t { mca_topo_base_comm_graph_2_2_0_t* graph; mca_topo_base_comm_cart_2_2_0_t* cart; mca_topo_base_comm_dist_graph_2_2_0_t* dist_graph; } mca_topo_base_comm_cgd_union_2_2_0_t; typedef mca_topo_base_comm_cgd_union_2_2_0_t mca_topo_base_comm_cgd_union_t; /** * The logic for creating communicators with attached topologies is * the following. A new placeholder communicator is prepared before * the *_create function is called, and is initialized with minimal * information. As an example, this communicator is not safe neither * for point-to-point nor collective messages, it is provided only * as a placeholder. However, the original communicator where the * topology function was called upon is provided as well, in order to have * a valid medium for messaging. In return from the *_create functions, * a new group of processes is expected one containing all processes in * the local_group of the new communicator. Once this information * returned the new communicator will be fully initialized and activated. */ /* * Module function typedefs */ /* Back end for MPI_CART_COORDS */ typedef int (*mca_topo_base_module_cart_coords_fn_t) (struct ompi_communicator_t *comm, int rank, int maxdims, int *coords); /* Back end for MPI_CART_CREATE */ typedef int (*mca_topo_base_module_cart_create_fn_t) (mca_topo_base_module_t *topo_module, ompi_communicator_t* old_comm, int ndims, const int *dims, const int *periods, bool reorder, ompi_communicator_t** comm_topo); /* Back end for MPI_CART_GET */ typedef int (*mca_topo_base_module_cart_get_fn_t) (struct ompi_communicator_t *comm, int maxdims, int *dims, int *periods, int *coords); /* Back end for MPI_CARTDIM_GET */ typedef int (*mca_topo_base_module_cartdim_get_fn_t) (struct ompi_communicator_t *comm, int *ndims); /* Back end for MPI_CART_MAP */ typedef int (*mca_topo_base_module_cart_map_fn_t) (struct ompi_communicator_t *comm, int ndims, const int *dims, const int *periods, int *newrank); /* Back end for MPI_CART_RANK */ typedef int (*mca_topo_base_module_cart_rank_fn_t) (struct ompi_communicator_t *comm, const int *coords, int *rank); /* Back end for MPI_CART_SHIFT */ typedef int (*mca_topo_base_module_cart_shift_fn_t) (struct ompi_communicator_t *comm, int direction, int disp, int *rank_source, int *rank_dest); /* Back end for MPI_CART_SUB */ typedef int (*mca_topo_base_module_cart_sub_fn_t) (struct ompi_communicator_t *comm, const int *remain_dims, struct ompi_communicator_t ** new_comm); /* Back end for MPI_GRAPH_CREATE */ typedef int (*mca_topo_base_module_graph_create_fn_t) (mca_topo_base_module_t *topo_module, ompi_communicator_t* old_comm, int nnodes, const int *index, const int *edges, bool reorder, ompi_communicator_t** new_comm); /* Back end for MPI_GRAPH_GET */ typedef int (*mca_topo_base_module_graph_get_fn_t) (struct ompi_communicator_t *comm, int maxindex, int maxedges, int *index, int *edges); /* Back end for MPI_GRAPH_MAP */ typedef int (*mca_topo_base_module_graph_map_fn_t) (struct ompi_communicator_t *comm, int nnodes, const int *index, const int *edges, int *newrank); /* Back end for MPI_GRAPHDIMS_GET */ typedef int (*mca_topo_base_module_graphdims_get_fn_t) (struct ompi_communicator_t *comm, int *nnodes, int *nnedges); /* Back end for MPI_GRAPH_NEIGHBORS */ typedef int (*mca_topo_base_module_graph_neighbors_fn_t) (struct ompi_communicator_t *comm, int rank, int maxneighbors, int *neighbors); /* Back end for MPI_GRAPH_NEIGHBORS_COUNT */ typedef int (*mca_topo_base_module_graph_neighbors_count_fn_t) (struct ompi_communicator_t *comm, int rank, int *nneighbors); /* Back end for MPI_DIST_GRAPH_CREATE */ typedef int (*mca_topo_base_module_dist_graph_create_fn_t) (struct mca_topo_base_module_t* module, struct ompi_communicator_t *old_comm, int n, const int nodes[], const int degrees[], const int targets[], const int weights[], struct opal_info_t *info, int reorder, struct ompi_communicator_t **new_comm); /* Back end for MPI_DIST_GRAPH_CREATE_ADJACENT */ typedef int (*mca_topo_base_module_dist_graph_create_adjacent_fn_t) (struct mca_topo_base_module_t* module, ompi_communicator_t *comm_old, int indegree, const int sources[], const int sourceweights[], int outdegree, const int destinations[], const int destweights[], struct opal_info_t *info, int reorder, ompi_communicator_t **comm_dist_graph); /* Back end for MPI_DIST_GRAPH_NEIGHBORS */ typedef int (*mca_topo_base_module_dist_graph_neighbors_fn_t) (struct ompi_communicator_t *comm, int maxindegree, int sources[], int sourceweights[], int maxoutdegree, int destinations[], int destweights[]); /* Back end for MPI_DIST_GRAPH_NEIGHBORS_COUNT */ typedef int (*mca_topo_base_module_dist_graph_neighbors_count_fn_t) (struct ompi_communicator_t *comm, int *inneighbors, int *outneighbors, int *weighted); /* * Topo module structure. If a given topo module needs to cache more * information than what is contained in the mca_topo_base_module_t, it should * create its own module struct that uses mca_topo_base_module_t as a super. * * A module only needs to define two vital functions: the create and the map (or * equivalent). However, if no specialized functions are provided, they will be * automatically replaced by their default version. They will return the answers * based on the base information stored in the associated module extra data. */ typedef struct mca_topo_base_cart_module_2_2_0_t { mca_topo_base_module_cart_coords_fn_t cart_coords; mca_topo_base_module_cart_create_fn_t cart_create; mca_topo_base_module_cart_get_fn_t cart_get; mca_topo_base_module_cartdim_get_fn_t cartdim_get; mca_topo_base_module_cart_map_fn_t cart_map; mca_topo_base_module_cart_rank_fn_t cart_rank; mca_topo_base_module_cart_shift_fn_t cart_shift; mca_topo_base_module_cart_sub_fn_t cart_sub; } mca_topo_base_cart_module_2_2_0_t; typedef struct mca_topo_base_graph_module_2_2_0_t { mca_topo_base_module_graph_create_fn_t graph_create; mca_topo_base_module_graph_get_fn_t graph_get; mca_topo_base_module_graph_map_fn_t graph_map; mca_topo_base_module_graphdims_get_fn_t graphdims_get; mca_topo_base_module_graph_neighbors_fn_t graph_neighbors; mca_topo_base_module_graph_neighbors_count_fn_t graph_neighbors_count; } mca_topo_base_graph_module_2_2_0_t; typedef struct mca_topo_base_dist_graph_module_2_2_0_t { mca_topo_base_module_dist_graph_create_fn_t dist_graph_create; mca_topo_base_module_dist_graph_create_adjacent_fn_t dist_graph_create_adjacent; mca_topo_base_module_dist_graph_neighbors_fn_t dist_graph_neighbors; mca_topo_base_module_dist_graph_neighbors_count_fn_t dist_graph_neighbors_count; } mca_topo_base_dist_graph_module_2_2_0_t; struct mca_topo_base_module_t { /* Make this structure be an object so that it has a constructor and destructor. */ opal_object_t super; uint32_t type; /* type of topology */ bool reorder; /* reordering was required */ mca_topo_base_component_t* topo_component; /* Component of this topo module */ /* Cart, graph or dist graph related functions */ union { mca_topo_base_cart_module_2_2_0_t cart; mca_topo_base_graph_module_2_2_0_t graph; mca_topo_base_dist_graph_module_2_2_0_t dist_graph; } topo; /* This union caches the parameters passed when the communicator was created. Look in comm->c_flags to figure out whether this is a cartesian, graph, or dist graph communicator. */ mca_topo_base_comm_cgd_union_t mtc; }; OMPI_DECLSPEC OBJ_CLASS_DECLARATION(mca_topo_base_module_t); /* * ****************************************************************** * ********** Use in components that are of type topo v2.2.0 ******** * ****************************************************************** */ #define MCA_TOPO_BASE_VERSION_2_2_0 \ OMPI_MCA_BASE_VERSION_2_1_0("topo", 2, 2, 0) #endif /* MCA_TOPO_H */
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