2004-03-07 01:40:26 +03:00
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/*
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* $HEADER$
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*/
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#ifndef MCA_TOPO_BASE_H
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#define MCA_TOPO_BASE_H
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#include "lam_config.h"
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#include "mpi.h"
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/*
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* All stuff goes in here
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*/
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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int mca_topo_base_open(void);
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int mca_topo_base_select(lam_list_t *selected,
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bool *allow_multi_user_threads,
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bool *have_hidden_threads);
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const mca_topo_1_0_0_t *
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mca_topo_unity_query(lam_comm_t *comm, int priority);
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int mca_topo_base_close(void);
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int mca_topo_base_init_comm (lam_comm_t *comm);
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int mca_topo_base_get_param (lam_comm_t *comm, int keyval);
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/*
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* All the glue functions which we will provide to the users
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* by default. The users need to only write back-end functions
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* for graph_map() and cart_map() for their topology modules.
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* But they can implement these glue functions if they want.
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*/
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int topo_base_cart_coords (lam_comm_t *comm, int rank, int maxdims,
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int *coords);
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int topo_base_cart_create (lam_comm_t *old_comm, int ndims, int *dims,
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int *peroids, int reorder,
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lam_comm_t *comm_cart);
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int topo_base_cartdim_get (lam_comm_t *comm, int *ndims);
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int topo_base_cart_get (lam_comm_t *comm, int maxdims, int *dims,
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int *periods, int *coords);
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int topo_base_cart_rank (lam_comm_t *comm, int *coords, int *rank);
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int topo_base_cart_shift (lam_comm_t *comm, int direction, int disp,
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int *rank_source, int *rank_dest);
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int topo_base_cart_sub (lam_comm_t *comm, int *remain_dims,
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lam_comm_t **new_comm);
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int topo_base_graph_create (lam_comm_t *comm_old, int nnodes,
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int *index, int reorder,
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lam_comm_t **comm_graph);
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int topo_base_graph_dims_get (lam_comm_t *comm, int *nodes,
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int *nedges);
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int topo_base_graph_get (lam_comm_t *comm, int maxindex,
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int maxedges, int *index, int *edges);
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int topo_base_graph_neighbors (lam_comm_t *comm, int rank,
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int maxneighbors, int *neighbors);
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int topo_base_graph_neighbors_count (lam_comm_t *comm, int rank,
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int *nneighbors);
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/*
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* Globals
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*/
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extern int mca_topo_base_output;
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extern lam_list_t mca_topo_base_modules_available;
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2004-03-07 10:09:11 +03:00
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extern mca_topo_base_module_t mca_topo_base_selected_module;
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extern mca_topo_t mca_topo;
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2004-03-07 01:40:26 +03:00
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#endif /* MCA_BASE_TOPO_H */
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