remote_point.h File Reference

#include <stdint.h>
#include <mpi.h>
#include "yac_types.h"

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Data Structures
struct	remote_point_info
	single location information of a point More...
struct	remote_point_infos
	location information about a point that is located on one or More...
struct	remote_point
	information (global id and location) about a point that More...
struct	remote_points
	structure containing the information (global id and location) More...

Functions
MPI_Datatype	yac_get_remote_point_info_mpi_datatype (MPI_Comm comm)
int	yac_remote_point_infos_get_pack_size (struct remote_point_infos const *infos, MPI_Datatype point_info_dt, MPI_Comm comm)
void	yac_remote_point_infos_pack (struct remote_point_infos const *infos, void *buffer, int buffer_size, int *position, MPI_Datatype point_info_dt, MPI_Comm comm)
void	yac_remote_point_infos_unpack (void *buffer, int buffer_size, int *position, struct remote_point_infos *infos, MPI_Datatype point_info_dt, MPI_Comm comm)
int	yac_remote_point_get_pack_size (struct remote_point *point, MPI_Datatype point_info_dt, MPI_Comm comm)
void	yac_remote_point_pack (struct remote_point *point, void *buffer, int buffer_size, int *position, MPI_Datatype point_info_dt, MPI_Comm comm)
void	yac_remote_point_unpack (void *buffer, int buffer_size, int *position, struct remote_point *point, MPI_Datatype point_info_dt, MPI_Comm comm)
int	yac_remote_points_get_pack_size (struct remote_points *points, MPI_Datatype point_info_dt, MPI_Comm comm)
void	yac_remote_points_pack (struct remote_points *points, void *buffer, int buffer_size, int *position, MPI_Datatype point_info_dt, MPI_Comm comm)
void	yac_remote_points_unpack (void *buffer, int buffer_size, int *position, struct remote_points **points, MPI_Datatype point_info_dt, MPI_Comm comm)

Function Documentation

yac_get_remote_point_info_mpi_datatype()

MPI_Datatype yac_get_remote_point_info_mpi_datatype

(

MPI_Comm

comm

)

generates an MPI Datatype for struct remote_point_info

Parameters

[in]

comm

communicator

Returns

MPI Datatype for struct remote_point_info

Remarks

the user has to free the returned MPI Datatype using MPI_Type_free

Definition at line 14 of file remote_point.c.

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yac_remote_point_get_pack_size()

int yac_remote_point_get_pack_size	(	struct remote_point *	point,
		MPI_Datatype	point_info_dt,
		MPI_Comm	comm )

computes the maximum size required by MPI to pack the provided point of type struct remote_point

Parameters

[in]	point	point for which the pack size is to be determined
[in]	point_info_dt	MPI Datatype for packing struct point_info
[in]	comm	communicator

Returns

maximum packing size

Definition at line 51 of file remote_point.c.

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yac_remote_point_infos_get_pack_size()

int yac_remote_point_infos_get_pack_size	(	struct remote_point_infos const *	infos,
		MPI_Datatype	point_info_dt,
		MPI_Comm	comm )

computes the maximum size required by MPI to pack the provided point information of type struct remote_point_infos

Parameters

[in]	infos	point information for which the pack size is to be determined
[in]	point_info_dt	MPI Datatype for packing struct point_info
[in]	comm	communicator

Returns

maximum packing size

Definition at line 32 of file remote_point.c.

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yac_remote_point_infos_pack()

void yac_remote_point_infos_pack	(	struct remote_point_infos const *	infos,
		void *	buffer,
		int	buffer_size,
		int *	position,
		MPI_Datatype	point_info_dt,
		MPI_Comm	comm )

packs a provided remote_point_infos; this is simlar to MPI_Pack

Parameters

[in]	infos	remote_point to be packed
[in,out]	buffer	packing buffer
[in]	buffer_size	size of packing buffer
[in,out]	position	packing position
[in]	point_info_dt	MPI Datatype for packing struct point_info
[in]	comm	communicator

Definition at line 64 of file remote_point.c.

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yac_remote_point_infos_unpack()

void yac_remote_point_infos_unpack	(	void *	buffer,
		int	buffer_size,
		int *	position,
		struct remote_point_infos *	infos,
		MPI_Datatype	point_info_dt,
		MPI_Comm	comm )

unpacks and allocates a remote_point_infos from a buffer; this is similar to MPI_Unpack

Parameters

[in]	buffer	packing buffer
[in]	buffer_size	size of packing buffer
[in,out]	position	unpacking position
[out]	infos	unpacked point information
[in]	point_info_dt	MPI Datatype for unpacking struct point_info
[in]	comm	communicator

Definition at line 97 of file remote_point.c.

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yac_remote_point_pack()

void yac_remote_point_pack	(	struct remote_point *	point,
		void *	buffer,
		int	buffer_size,
		int *	position,
		MPI_Datatype	point_info_dt,
		MPI_Comm	comm )

packs a provided remote_point; this is simlar to MPI_Pack

Parameters

[in]	point	remote_point to be packed
[in,out]	buffer	packing buffer
[in]	buffer_size	size of packing buffer
[in,out]	position	packing position
[in]	point_info_dt	MPI Datatype for packing struct point_info
[in]	comm	communicator

Definition at line 85 of file remote_point.c.

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yac_remote_point_unpack()

void yac_remote_point_unpack	(	void *	buffer,
		int	buffer_size,
		int *	position,
		struct remote_point *	point,
		MPI_Datatype	point_info_dt,
		MPI_Comm	comm )

unpacks and allocates a remote_point from a buffer; this is similar to MPI_Unpack

Parameters

[in]	buffer	packing buffer
[in]	buffer_size	size of packing buffer
[in,out]	position	unpacking position
[out]	point	unpacked point
[in]	point_info_dt	MPI Datatype for unpacking struct point_info
[in]	comm	communicator

Definition at line 123 of file remote_point.c.

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yac_remote_points_get_pack_size()

int yac_remote_points_get_pack_size	(	struct remote_points *	points,
		MPI_Datatype	point_info_dt,
		MPI_Comm	comm )

computes the maximum size required by MPI to pack the provided points of type struct remote_points

Parameters

[in]	points	points for which the pack size is to be determined
[in]	point_info_dt	MPI Datatype for unpacking struct point_info
[in]	comm	communicator

Returns

maximum packing size

Definition at line 135 of file remote_point.c.

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yac_remote_points_pack()

void yac_remote_points_pack	(	struct remote_points *	points,
		void *	buffer,
		int	buffer_size,
		int *	position,
		MPI_Datatype	point_info_dt,
		MPI_Comm	comm )

packs provided remote_points; this is simlar to MPI_Pack

Parameters

[in]	points	remote_points to be packed
[in,out]	buffer	packing buffer
[in]	buffer_size	size of packing buffer
[in,out]	position	packing position
[in]	point_info_dt	MPI Datatype for packing struct point_info
[in]	comm	communicator

Definition at line 153 of file remote_point.c.

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yac_remote_points_unpack()

void yac_remote_points_unpack	(	void *	buffer,
		int	buffer_size,
		int *	position,
		struct remote_points **	points,
		MPI_Datatype	point_info_dt,
		MPI_Comm	comm )

unpacks and allocates remote_points from a buffer; this is similar to MPI_Unpack

Parameters

[in]	buffer	packing buffer
[in]	buffer_size	size of packing buffer
[in,out]	position	unpacking position
[out]	points	unpacked points
[in]	point_info_dt	MPI Datatype for unpacking struct point_info
[in]	comm	communicator

Definition at line 211 of file remote_point.c.

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