sion_generic_buddy.h

/****************************************************************************
**  SIONLIB     http://www.fz-juelich.de/jsc/sionlib                       **
*****************************************************************************
**  Copyright (c) 2008-2019                                                **
**  Forschungszentrum Juelich, Juelich Supercomputing Centre               **
**                                                                         **
**  See the file COPYRIGHT in the package base directory for details       **
****************************************************************************/
#ifndef SION_SION_GENERIC_BUDDY_H
#define SION_SION_GENERIC_BUDDY_H
 
#include "sion_const.h"
#include "sion_buddy_common.h"
#include "sion_generic_apidesc.h"
#include "sion_flags.h"
 
int _sion_paropen_generic_buddy(
                int sid,
                const char  *fname,
                _sion_flags_store *flags_store,
                char  *prefix,
                int   *numFiles,
                int   *filenumber, 
                sion_int64  *chunksize,
                sion_int32  *fsblksize,
                int    rank,
                int    ntasks,
                int   *globalrank,
                FILE **fileptr,
                _sion_generic_gendata *sion_gendata );
 
int _sion_parclose_generic_buddy(int sid,
                 int rank,
                 int ntasks,
                 int mapping_size,
                 sion_int32 *mapping,
                _sion_generic_gendata *sion_gendata );
 
int _sion_coll_fwrite_buddy(const void *data, 
                size_t size, 
                size_t nitems, 
                int sid,
                _sion_generic_gendata *sion_gendata );
 
int _sion_coll_fread_buddy(void *data, 
                size_t size, 
                size_t nitems, 
                int sid);
 
int _sion_buddy_map(
            _sion_generic_gendata *sion_gendata,
            int capability,
            int buddy_idx,
            _sion_generic_buddy_info *buddy_send,
            _sion_generic_buddy_info *buddy_coll );
 
int _sion_buddy_bwsched(int groupnr, int numgroups, int pass);
 
int _sion_generic_collect_mapping_buddy(  _sion_generic_buddy   *buddyptr,
                      _sion_generic_gendata *sion_gendata,
                      int                   *mapping_size,
                      sion_int32           **mapping);
 
int _sion_generic_buddy_get_and_distribute_info_from_file(  _sion_generic_gendata *sion_gendata, char *fname, int root,
                                sion_int32 *filenumber, sion_int32 *numfiles, sion_int32 *lrank, sion_int32 *lsize);
 
int _sion_generic_buddy_get_and_distribute_info_from_one_file(  _sion_generic_gendata *sion_gendata, char *fname, int root,
                                sion_int32 *filenumber, sion_int32 *numfiles, 
                                sion_int32 *lrank, sion_int32 *lsize);
 
char* _sion_buddy_role_to_str (unsigned int flag);
 
#endif