coll_tuned_topo.h File Reference

#include "colls_private.h"

Classes
struct	ompi_coll_tree_t

Macros
#define	MAXTREEFANOUT   32
#define	COLL_TUNED_COMPUTED_SEGCOUNT(SEGSIZE, TYPELNG, SEGCOUNT)

Typedefs
typedef struct ompi_coll_tree_t	ompi_coll_tree_t

Functions
ompi_coll_tree_t *	ompi_coll_tuned_topo_build_tree (int fanout, MPI_Comm com, int root)
ompi_coll_tree_t *	ompi_coll_tuned_topo_build_in_order_bintree (MPI_Comm comm)
ompi_coll_tree_t *	ompi_coll_tuned_topo_build_bmtree (MPI_Comm comm, int root)
ompi_coll_tree_t *	ompi_coll_tuned_topo_build_in_order_bmtree (MPI_Comm comm, int root)
ompi_coll_tree_t *	ompi_coll_tuned_topo_build_chain (int fanout, MPI_Comm com, int root)
int	ompi_coll_tuned_topo_destroy_tree (ompi_coll_tree_t **tree)
int	ompi_coll_tuned_topo_dump_tree (ompi_coll_tree_t *tree, int rank)

Macro Definition Documentation

MAXTREEFANOUT

#define MAXTREEFANOUT   32

COLL_TUNED_COMPUTED_SEGCOUNT

#define COLL_TUNED_COMPUTED_SEGCOUNT	(		SEGSIZE,
			TYPELNG,
			SEGCOUNT
	)

Value:

if( ((SEGSIZE) >= (TYPELNG)) &&                                     \
        ((SEGSIZE) < ((TYPELNG) * (SEGCOUNT))) ) {                      \
        size_t residual;                                                \
        (SEGCOUNT) = (int)((SEGSIZE) / (TYPELNG));                      \
        residual = (SEGSIZE) - (SEGCOUNT) * (TYPELNG);                  \
        if( residual > ((TYPELNG) >> 1) )                               \
            (SEGCOUNT)++;                                               \
    }                                                                   \

Typedef Documentation

ompi_coll_tree_t

typedef struct ompi_coll_tree_t ompi_coll_tree_t

Function Documentation

ompi_coll_tuned_topo_build_tree()

ompi_coll_tree_t* ompi_coll_tuned_topo_build_tree	(	int	fanout,
		MPI_Comm	com,
		int	root
	)

ompi_coll_tuned_topo_build_in_order_bintree()

ompi_coll_tree_t* ompi_coll_tuned_topo_build_in_order_bintree

(

MPI_Comm

comm

)

ompi_coll_tuned_topo_build_bmtree()

ompi_coll_tree_t* ompi_coll_tuned_topo_build_bmtree	(	MPI_Comm	comm,
		int	root
	)

ompi_coll_tuned_topo_build_in_order_bmtree()

ompi_coll_tree_t* ompi_coll_tuned_topo_build_in_order_bmtree	(	MPI_Comm	comm,
		int	root
	)

ompi_coll_tuned_topo_build_chain()

ompi_coll_tree_t* ompi_coll_tuned_topo_build_chain	(	int	fanout,
		MPI_Comm	com,
		int	root
	)

ompi_coll_tuned_topo_destroy_tree()

int ompi_coll_tuned_topo_destroy_tree

(

ompi_coll_tree_t **

tree

)

ompi_coll_tuned_topo_dump_tree()

int ompi_coll_tuned_topo_dump_tree	(	ompi_coll_tree_t *	tree,
		int	rank
	)