xt_xmap_dist_dir_common.h File Reference

Utility functions for creation of distributed directories. More...

#include <stdbool.h>
#include "core/ppm_visibility.h"
#include "xt/xt_idxlist.h"
#include "xt/xt_xmap_intersection.h"

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Classes
struct	dist_dir
struct	dist_dir_pair
struct	Xt_xmdd_txstat
struct	isect

Macros
#define	MIN(a, b)   (((a)<(b))?(a):(b))
#define	MAX(a, b)   (((a)>(b))?(a):(b))

Enumerations
enum	xt_xmdd_direction { xt_xmdd_direction_src = 0 , xt_xmdd_direction_dst = 1 }

Functions
PPM_DSO_INTERNAL void	xt_xmdd_free_dist_dirs (struct dist_dir_pair dist_dirs)
PPM_DSO_INTERNAL int	xt_com_list_rank_cmp (const void *a_, const void *b_)
PPM_DSO_INTERNAL struct Xt_xmdd_txstat	xt_xmap_dist_dir_send_intersections (void *restrict send_buffer, size_t send_size_asize, size_t send_size_entry, int tag, MPI_Comm comm, int rank_lim, MPI_Request requests[], const int send_size[rank_lim][send_size_asize])
	initiate sends of packed index lists
PPM_DSO_INTERNAL int	xt_xmdd_cmp_isect_src_rank (const void *a_, const void *b_)
PPM_DSO_INTERNAL int	xt_xmdd_cmp_isect_dst_rank (const void *a_, const void *b_)
PPM_DSO_INTERNAL size_t	xt_xmap_dist_dir_match_src_dst (const struct dist_dir *src_dist_dir, const struct dist_dir *dst_dist_dir, struct isect **src_dst_intersections, Xt_config config)
PPM_DSO_INTERNAL size_t	xt_xmap_dist_dir_pack_intersections (enum xt_xmdd_direction target, size_t num_intersections, const struct isect *restrict src_dst_intersections, bool isect_idxlist_delete, size_t send_size_asize, size_t send_size_idx, int(*send_size)[send_size_asize], unsigned char *buffer, size_t buf_size, size_t *ofs, MPI_Comm comm)
PPM_DSO_INTERNAL void	xt_xmap_dist_dir_same_rank_merge (struct dist_dir **dist_dir_results)

Detailed Description

Utility functions for creation of distributed directories.

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_xmap_dist_dir_common.h.

Macro Definition Documentation

MAX

#define MAX	(		a,
			b
	)		(((a)>(b))?(a):(b))

Definition at line 62 of file xt_xmap_dist_dir_common.h.

MIN

#define MIN	(		a,
			b
	)		(((a)<(b))?(a):(b))

Definition at line 61 of file xt_xmap_dist_dir_common.h.

Enumeration Type Documentation

xt_xmdd_direction

enum xt_xmdd_direction

Enumerator
xt_xmdd_direction_src
xt_xmdd_direction_dst

Definition at line 106 of file xt_xmap_dist_dir_common.h.

Function Documentation

xt_com_list_rank_cmp()

PPM_DSO_INTERNAL int xt_com_list_rank_cmp	(	const void *	a_,
		const void *	b_
	)

Definition at line 280 of file xt_xmap_dist_dir_common.c.

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xt_xmap_dist_dir_match_src_dst()

PPM_DSO_INTERNAL size_t xt_xmap_dist_dir_match_src_dst	(	const struct dist_dir *	src_dist_dir,
		const struct dist_dir *	dst_dist_dir,
		struct isect **	src_dst_intersections,
		Xt_config	config
	)

Definition at line 111 of file xt_xmap_dist_dir_common.c.

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xt_xmap_dist_dir_pack_intersections()

PPM_DSO_INTERNAL size_t xt_xmap_dist_dir_pack_intersections	(	enum xt_xmdd_direction	target,
		size_t	num_intersections,
		const struct isect *restrict	src_dst_intersections,
		bool	isect_idxlist_delete,
		size_t	send_size_asize,
		size_t	send_size_idx,
		int(*)	send_size[send_size_asize],
		unsigned char *	buffer,
		size_t	buf_size,
		size_t *	ofs,
		MPI_Comm	comm
	)

Definition at line 156 of file xt_xmap_dist_dir_common.c.

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xt_xmap_dist_dir_same_rank_merge()

PPM_DSO_INTERNAL void xt_xmap_dist_dir_same_rank_merge

(

struct dist_dir **

dist_dir_results

)

Definition at line 222 of file xt_xmap_dist_dir_common.c.

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xt_xmap_dist_dir_send_intersections()

PPM_DSO_INTERNAL struct Xt_xmdd_txstat xt_xmap_dist_dir_send_intersections	(	void *restrict	send_buffer,
		size_t	send_size_asize,
		size_t	send_size_entry,
		int	tag,
		MPI_Comm	comm,
		int	rank_lim,
		MPI_Request	requests[],
		const int	send_size[rank_lim][send_size_asize]
	)

initiate sends of packed index lists

Parameters

send_buffer	pointer to buffer of packed index lists
send_size_asize	number of per-rank entries in send_size
send_size_entry	index of send_size to act on
tag	tag to use in MPI_Isend
comm	communicator to use
rank_lim	iterate over rank from 0 to rank_lim - 1 when investigating send_size[rank][send_size_entry]
requests	the resulting MPI requests from the issued MPI_Isend calls are stored here, size must be at least number of greater-than-zero entries in send_size column send_size_entry
send_size	2-dimensional array of individual message sizes

xt_xmdd_cmp_isect_dst_rank()

PPM_DSO_INTERNAL int xt_xmdd_cmp_isect_dst_rank	(	const void *	a_,
		const void *	b_
	)

Definition at line 272 of file xt_xmap_dist_dir_common.c.

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xt_xmdd_cmp_isect_src_rank()

PPM_DSO_INTERNAL int xt_xmdd_cmp_isect_src_rank	(	const void *	a_,
		const void *	b_
	)

Definition at line 264 of file xt_xmap_dist_dir_common.c.

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xt_xmdd_free_dist_dirs()

PPM_DSO_INTERNAL void xt_xmdd_free_dist_dirs

(

struct dist_dir_pair

dist_dirs

)

Definition at line 79 of file xt_xmap_dist_dir_common.c.

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