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openmpi/src/mca/mpi/topo/base/base.h

79 строки
2.5 KiB
C
Исходник Обычный вид История

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