sion_generic_collective.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include "sion.h"
#include "sion_debug.h"
#include "sion_error_handler.h"
#include "sion_internal.h"
#include "sion_fd.h"
#include "sion_filedesc.h"
#include "sion_printts.h"
#include "sion_generic_apidesc.h"
#include "sion_generic_buddy.h"
#include "sion_generic_collective.h"

Include dependency graph for sion_generic_collective.c:

Go to the source code of this file.

Macros
#define	_XOPEN_SOURCE   700
#define	DFUNCTION   "sion_coll_fwrite"
	checks if environment variables are set to use collective I/O SION_COLLSIZE = -1 -> number of collector is computed by sionlib and depends on chunksizes and filesystem-blocksize SION_COLLSIZE = 0 -> collective is not used SION_COLLSIZE > 0 -> number of task to be collected by one (master) task More...
#define	DFUNCTION   "sion_coll_fread"
	checks if environment variables are set to use collective I/O SION_COLLSIZE = -1 -> number of collector is computed by sionlib and depends on chunksizes and filesystem-blocksize SION_COLLSIZE = 0 -> collective is not used SION_COLLSIZE > 0 -> number of task to be collected by one (master) task More...
#define	DFUNCTION   "_sion_generic_collective_process_write"
	checks if environment variables are set to use collective I/O SION_COLLSIZE = -1 -> number of collector is computed by sionlib and depends on chunksizes and filesystem-blocksize SION_COLLSIZE = 0 -> collective is not used SION_COLLSIZE > 0 -> number of task to be collected by one (master) task More...
#define	DFUNCTION   "_sion_generic_collective_process_read"
	checks if environment variables are set to use collective I/O SION_COLLSIZE = -1 -> number of collector is computed by sionlib and depends on chunksizes and filesystem-blocksize SION_COLLSIZE = 0 -> collective is not used SION_COLLSIZE > 0 -> number of task to be collected by one (master) task More...
#define	DFUNCTION   "_sion_coll_check_env"
	checks if environment variables are set to use collective I/O SION_COLLSIZE = -1 -> number of collector is computed by sionlib and depends on chunksizes and filesystem-blocksize SION_COLLSIZE = 0 -> collective is not used SION_COLLSIZE > 0 -> number of task to be collected by one (master) task More...

Functions
size_t	sion_coll_fwrite (const void *data, size_t size, size_t nitems, int sid)
size_t	sion_coll_fread (void *data, size_t size, size_t nitems, int sid)
int	_sion_generic_collective_process_write (const void *data, sion_int64 *spec, int sid)
int	_sion_generic_collective_process_read (void *data, sion_int64 *spec, int sid)
int	_sion_coll_check_env (_sion_filedesc *sion_filedesc)

Macro Definition Documentation

DFUNCTION [1/5]

#define DFUNCTION   "sion_coll_fwrite"

checks if environment variables are set to use collective I/O SION_COLLSIZE = -1 -> number of collector is computed by sionlib and depends on chunksizes and filesystem-blocksize SION_COLLSIZE = 0 -> collective is not used SION_COLLSIZE > 0 -> number of task to be collected by one (master) task

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Returns

SION_SUCCESS if env could be checked

Definition at line 387 of file sion_generic_collective.c.

DFUNCTION [2/5]

#define DFUNCTION   "sion_coll_fread"

checks if environment variables are set to use collective I/O SION_COLLSIZE = -1 -> number of collector is computed by sionlib and depends on chunksizes and filesystem-blocksize SION_COLLSIZE = 0 -> collective is not used SION_COLLSIZE > 0 -> number of task to be collected by one (master) task

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Returns

SION_SUCCESS if env could be checked

Definition at line 387 of file sion_generic_collective.c.

DFUNCTION [3/5]

#define DFUNCTION   "_sion_generic_collective_process_write"

checks if environment variables are set to use collective I/O SION_COLLSIZE = -1 -> number of collector is computed by sionlib and depends on chunksizes and filesystem-blocksize SION_COLLSIZE = 0 -> collective is not used SION_COLLSIZE > 0 -> number of task to be collected by one (master) task

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Returns

SION_SUCCESS if env could be checked

Definition at line 387 of file sion_generic_collective.c.

DFUNCTION [4/5]

#define DFUNCTION   "_sion_generic_collective_process_read"

checks if environment variables are set to use collective I/O SION_COLLSIZE = -1 -> number of collector is computed by sionlib and depends on chunksizes and filesystem-blocksize SION_COLLSIZE = 0 -> collective is not used SION_COLLSIZE > 0 -> number of task to be collected by one (master) task

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Returns

SION_SUCCESS if env could be checked

Definition at line 387 of file sion_generic_collective.c.

DFUNCTION [5/5]

#define DFUNCTION   "_sion_coll_check_env"

checks if environment variables are set to use collective I/O SION_COLLSIZE = -1 -> number of collector is computed by sionlib and depends on chunksizes and filesystem-blocksize SION_COLLSIZE = 0 -> collective is not used SION_COLLSIZE > 0 -> number of task to be collected by one (master) task

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Returns

SION_SUCCESS if env could be checked

Definition at line 387 of file sion_generic_collective.c.