xt_redist_internal.h File Reference

redistribution of data, non-public declarations More...

#include <mpi.h>
#include "xt/xt_redist.h"

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Data Structures
struct	Xt_redist_msg
struct	xt_redist_vtable
struct	Xt_redist_

Enumerations
enum	xt_msg_direction { SEND, RECV }

Functions
void	xt_redist_msgs_strided_copy (size_t n, struct Xt_redist_msg *restrict src, size_t src_stride, struct Xt_redist_msg *restrict dst, size_t dst_stride, MPI_Comm comm)
void	xt_redist_msgs_strided_destruct (size_t n, struct Xt_redist_msg *msgs, MPI_Comm comm, size_t ofs_stride)
static void	xt_redist_msgs_free (size_t n, struct Xt_redist_msg *msgs, MPI_Comm comm)
void	xt_redist_check_comms (Xt_redist *redists, int num_redists, MPI_Comm comm)
int	xt_redist_get_msg_ranks (Xt_redist redist, enum xt_msg_direction direction, int **ranks)
size_t	xt_ranks_uniq_count (size_t num_rank_sets, size_t *restrict num_ranks, const int *ranks[num_rank_sets])
MPI_Datatype	xt_create_compound_datatype (size_t num_redists, const MPI_Aint displacements[num_redists], const MPI_Datatype datatypes[num_redists], const int block_lengths[num_redists], MPI_Comm comm)

Variables
void(*	xt_redist_s_exchange_internal )(const void *src_data, void *dst_data, int nsend, int nrecv, struct Xt_redist_msg *send_msgs, struct Xt_redist_msg *recv_msgs, MPI_Comm comm)

Detailed Description

redistribution of data, non-public declarations

contains declaration the redistribution data structure, which is derived from one or more xt_xmaps

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_redist_internal.h.

Enumeration Type Documentation

xt_msg_direction

enum xt_msg_direction

Enumerator
SEND
RECV

Definition at line 61 of file xt_redist_internal.h.

Function Documentation

xt_create_compound_datatype()

MPI_Datatype xt_create_compound_datatype	(	size_t	num_redists,
		const MPI_Aint	displacements[num_redists],
		const MPI_Datatype	datatypes[num_redists],
		const int	block_lengths[num_redists],
		MPI_Comm	comm
	)

Definition at line 181 of file xt_redist.c.

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xt_ranks_uniq_count()

size_t xt_ranks_uniq_count	(	size_t	num_rank_sets,
		size_t *restrict	num_ranks,
		const int *	ranks[num_rank_sets]
	)

Definition at line 152 of file xt_redist.c.

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xt_redist_check_comms()

void xt_redist_check_comms	(	Xt_redist *	redists,
		int	num_redists,
		MPI_Comm	comm
	)

Definition at line 137 of file xt_redist.c.

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xt_redist_get_msg_ranks()

int xt_redist_get_msg_ranks	(	Xt_redist	redist,
		enum xt_msg_direction	direction,
		int **	ranks
	)

Definition at line 97 of file xt_redist.c.

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xt_redist_msgs_free()

static void xt_redist_msgs_free ( size_t  n, struct Xt_redist_msg *  msgs, MPI_Comm  comm  )

inlinestatic

Definition at line 104 of file xt_redist_internal.h.

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xt_redist_msgs_strided_copy()

void xt_redist_msgs_strided_copy	(	size_t	n,
		struct Xt_redist_msg *restrict	src,
		size_t	src_stride,
		struct Xt_redist_msg *restrict	dst,
		size_t	dst_stride,
		MPI_Comm	comm
	)

Definition at line 105 of file xt_redist.c.

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xt_redist_msgs_strided_destruct()

void xt_redist_msgs_strided_destruct	(	size_t	n,
		struct Xt_redist_msg *	msgs,
		MPI_Comm	comm,
		size_t	ofs_stride
	)

Definition at line 124 of file xt_redist.c.

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Variable Documentation

xt_redist_s_exchange_internal

void(* xt_redist_s_exchange_internal) (const void *src_data, void *dst_data, int nsend, int nrecv, struct Xt_redist_msg *send_msgs, struct Xt_redist_msg *recv_msgs, MPI_Comm comm)