xt_exchanger.h File Reference

exchanging of data based on information provided by redist's More...

#include <mpi.h>
#include "xt/xt_core.h"
#include "xt_redist_internal.h"

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Data Structures
struct	xt_exchanger_vtable
struct	Xt_exchanger_

Typedefs
typedef struct Xt_exchanger_ *	Xt_exchanger

Functions
void	xt_exchanger_s_exchange (Xt_exchanger exchanger, const void *src_data, void *dst_data)
Xt_exchanger	xt_exchanger_copy (Xt_exchanger orig, MPI_Comm new_comm, int new_tag_offset)
void	xt_exchanger_delete (Xt_exchanger)
void	xt_exchanger_internal_optimize (size_t n, void *msgs, size_t msg_type_size, MPI_Comm comm)
MPI_Datatype	xt_exchanger_get_MPI_Datatype (Xt_exchanger exchanger, int rank, enum xt_msg_direction direction)
int	xt_exchanger_get_msg_ranks (Xt_exchanger exchanger, enum xt_msg_direction direction, int **ranks)

Variables
Xt_exchanger(*	xt_exchanger_default_constructor )(int nsend, int nrecv, struct Xt_redist_msg *send_msgs, struct Xt_redist_msg *recv_msgs, MPI_Comm comm, int tag_offset)

Detailed Description

exchanging of data based on information provided by redist's

Copyright

Copyright (C) 2016 Jörg Behrens behre.nosp@m.ns@d.nosp@m.krz.d.nosp@m.e Moritz Hanke hanke.nosp@m.@dkr.nosp@m.z.de Thomas Jahns jahns.nosp@m.@dkr.nosp@m.z.de

Author

Jörg Behrens behre.nosp@m.ns@d.nosp@m.krz.d.nosp@m.e Moritz Hanke hanke.nosp@m.@dkr.nosp@m.z.de Thomas Jahns jahns.nosp@m.@dkr.nosp@m.z.de

Definition in file xt_exchanger.h.

Typedef Documentation

Xt_exchanger

typedef struct Xt_exchanger_* Xt_exchanger

Examples:

test_exchanger_parallel.c.

Definition at line 62 of file xt_exchanger.h.

Function Documentation

xt_exchanger_copy()

Xt_exchanger xt_exchanger_copy	(	Xt_exchanger	orig,
		MPI_Comm	new_comm,
		int	new_tag_offset
	)

Definition at line 65 of file xt_exchanger.c.

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xt_exchanger_delete()

void xt_exchanger_delete

(

Xt_exchanger

)

Definition at line 70 of file xt_exchanger.c.

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xt_exchanger_get_MPI_Datatype()

MPI_Datatype xt_exchanger_get_MPI_Datatype	(	Xt_exchanger	exchanger,
		int	rank,
		enum xt_msg_direction	direction
	)

Definition at line 128 of file xt_exchanger.c.

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xt_exchanger_get_msg_ranks()

int xt_exchanger_get_msg_ranks	(	Xt_exchanger	exchanger,
		enum xt_msg_direction	direction,
		int **	ranks
	)

Definition at line 120 of file xt_exchanger.c.

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xt_exchanger_internal_optimize()

void xt_exchanger_internal_optimize	(	size_t	n,
		void *	msgs,
		size_t	msg_type_size,
		MPI_Comm	comm
	)

Definition at line 87 of file xt_exchanger.c.

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xt_exchanger_s_exchange()

void xt_exchanger_s_exchange	(	Xt_exchanger	exchanger,
		const void *	src_data,
		void *	dst_data
	)

Definition at line 75 of file xt_exchanger.c.

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Variable Documentation

xt_exchanger_default_constructor

Xt_exchanger(* xt_exchanger_default_constructor) (int nsend, int nrecv, struct Xt_redist_msg *send_msgs, struct Xt_redist_msg *recv_msgs, MPI_Comm comm, int tag_offset)

Parameters

tag_offset

tag tag_offset + xt_mpi_tag_exchange_msg must not be used on comm by any other part of the program during the lifetime of the created exchanger object

Definition at line 59 of file xt_exchanger.c.