dbm_distribution.h File Reference

#include "../mpiwrap/cp_mpi.h"

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Data Structures
struct	dbm_dist_1d_t
	Internal struct for storing a one dimensional distribution. More...
struct	dbm_distribution_t
	Internal struct for storing a two dimensional distribution. More...

Functions
void	dbm_distribution_new (dbm_distribution_t **dist_out, const int fortran_comm, const int nrows, const int ncols, const int row_dist[nrows], const int col_dist[ncols])
	Creates a new two dimensional distribution.
void	dbm_distribution_hold (dbm_distribution_t *dist)
	Increases the reference counter of the given distribution.
void	dbm_distribution_release (dbm_distribution_t *dist)
	Decreases the reference counter of the given distribution.
void	dbm_distribution_row_dist (const dbm_distribution_t *dist, int *nrows, const int **row_dist)
	Returns the rows of the given distribution.
void	dbm_distribution_col_dist (const dbm_distribution_t *dist, int *ncols, const int **col_dist)
	Returns the columns of the given distribution.
int	dbm_distribution_stored_coords (const dbm_distribution_t *dist, const int row, const int col)
	Returns the MPI rank on which the given block should be stored.

Function Documentation

dbm_distribution_new()

void dbm_distribution_new	(	dbm_distribution_t **	dist_out,
		const int	fortran_comm,
		const int	nrows,
		const int	ncols,
		const int	row_dist[nrows],
		const int	col_dist[ncols]
	)

Creates a new two dimensional distribution.

Author

Ole Schuett

Definition at line 102 of file dbm_distribution.c.

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dbm_distribution_hold()

void dbm_distribution_hold

(

dbm_distribution_t *

dist

)

Increases the reference counter of the given distribution.

Author

Ole Schuett

Definition at line 135 of file dbm_distribution.c.

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dbm_distribution_release()

void dbm_distribution_release

(

dbm_distribution_t *

dist

)

Decreases the reference counter of the given distribution.

Author

Ole Schuett

Definition at line 144 of file dbm_distribution.c.

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dbm_distribution_row_dist()

void dbm_distribution_row_dist	(	const dbm_distribution_t *	dist,
		int *	nrows,
		const int **	row_dist
	)

Returns the rows of the given distribution.

Author

Ole Schuett

Definition at line 158 of file dbm_distribution.c.

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dbm_distribution_col_dist()

void dbm_distribution_col_dist	(	const dbm_distribution_t *	dist,
		int *	ncols,
		const int **	col_dist
	)

Returns the columns of the given distribution.

Author

Ole Schuett

Definition at line 169 of file dbm_distribution.c.

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dbm_distribution_stored_coords()

int dbm_distribution_stored_coords	(	const dbm_distribution_t *	dist,
		const int	row,
		const int	col
	)

Returns the MPI rank on which the given block should be stored.

Author

Ole Schuett

Definition at line 180 of file dbm_distribution.c.

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