nm_mpi_topo.h File Reference

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Functions
Functions: Topology
int	MPI_Dims_create (int nnodes, int ndims, int *dims)
int	MPI_Cart_create (MPI_Comm comm_old, int ndims, const int *dims, const int *periods, int reorder, MPI_Comm *_comm_cart)
int	MPI_Cart_coords (MPI_Comm comm, int rank, int ndims, int *coords)
int	MPI_Cart_rank (MPI_Comm comm, const int *coords, int *rank)
int	MPI_Cart_shift (MPI_Comm comm, int direction, int displ, int *source, int *dest)
int	MPI_Cart_get (MPI_Comm comm, int maxdims, int *dims, int *periods, int *coords)
int	MPI_Cart_sub (MPI_Comm comm, const int *remain_dims, MPI_Comm *newcomm)
int	MPI_Topo_test (MPI_Comm comm, int *topo_type)
int	MPI_Cartdim_get (MPI_Comm comm, int *ndims)

Function Documentation

MPI_Cart_coords()

int MPI_Cart_coords	(	MPI_Comm	comm,
		int	rank,
		int	ndims,
		int *	coords
	)

MPI_Cart_create()

int MPI_Cart_create	(	MPI_Comm	comm_old,
		int	ndims,
		const int *	dims,
		const int *	periods,
		int	reorder,
		MPI_Comm *	_comm_cart
	)

MPI_Cart_get()

int MPI_Cart_get	(	MPI_Comm	comm,
		int	maxdims,
		int *	dims,
		int *	periods,
		int *	coords
	)

MPI_Cart_rank()

int MPI_Cart_rank	(	MPI_Comm	comm,
		const int *	coords,
		int *	rank
	)

MPI_Cart_shift()

int MPI_Cart_shift	(	MPI_Comm	comm,
		int	direction,
		int	displ,
		int *	source,
		int *	dest
	)

MPI_Cart_sub()

int MPI_Cart_sub	(	MPI_Comm	comm,
		const int *	remain_dims,
		MPI_Comm *	newcomm
	)

MPI_Cartdim_get()

int MPI_Cartdim_get	(	MPI_Comm	comm,
		int *	ndims
	)

MPI_Dims_create()

int MPI_Dims_create	(	int	nnodes,
		int	ndims,
		int *	dims
	)

MPI_Topo_test()

int MPI_Topo_test	(	MPI_Comm	comm,
		int *	topo_type
	)