root/ompi/mca/fcoll/two_phase/fcoll_two_phase.h

INCLUDED FROM

   1 /*
   2  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
   3  *                         University Research and Technology
   4  *                         Corporation.  All rights reserved.
   5  * Copyright (c) 2004-2006 The University of Tennessee and The University
   6  *                         of Tennessee Research Foundation.  All rights
   7  *                         reserved.
   8  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
   9  *                         University of Stuttgart.  All rights reserved.
  10  * Copyright (c) 2004-2005 The Regents of the University of California.
  11  *                         All rights reserved.
  12  * Copyright (c) 2008-2016 University of Houston. All rights reserved.
  13  * Copyright (c) 2015-2018 Research Organization for Information Science
  14  *                         and Technology (RIST). All rights reserved.
  15  * $COPYRIGHT$
  16  *
  17  * Additional copyrights may follow
  18  *
  19  * $HEADER$
  20  */
  21 
  22 #ifndef MCA_FCOLL_TWO_PHASE_EXPORT_H
  23 #define MCA_FCOLL_TWO_PHASE_EXPORT_H
  24 
  25 #include "ompi_config.h"
  26 
  27 #include "mpi.h"
  28 #include "ompi/mca/mca.h"
  29 #include "ompi/mca/fcoll/fcoll.h"
  30 #include "ompi/mca/fcoll/base/base.h"
  31 #include "ompi/mca/common/ompio/common_ompio.h"
  32 
  33 BEGIN_C_DECLS
  34 
  35 /* Globally exported variables */
  36 
  37 extern int mca_fcoll_two_phase_priority;
  38 
  39 OMPI_MODULE_DECLSPEC extern mca_fcoll_base_component_2_0_0_t mca_fcoll_two_phase_component;
  40 
  41 /* API functions */
  42 
  43 int mca_fcoll_two_phase_component_init_query(bool enable_progress_threads,
  44                                            bool enable_mpi_threads);
  45 struct mca_fcoll_base_module_1_0_0_t *
  46 mca_fcoll_two_phase_component_file_query (ompio_file_t *fh, int *priority);
  47 
  48 int mca_fcoll_two_phase_component_file_unquery (ompio_file_t *file);
  49 
  50 int mca_fcoll_two_phase_module_init (ompio_file_t *file);
  51 int mca_fcoll_two_phase_module_finalize (ompio_file_t *file);
  52 
  53 int mca_fcoll_two_phase_file_read_all (ompio_file_t *fh,
  54                                      void *buf,
  55                                      int count,
  56                                      struct ompi_datatype_t *datatype,
  57                                      ompi_status_public_t * status);
  58 
  59 
  60 int mca_fcoll_two_phase_file_write_all (ompio_file_t *fh,
  61                                       const void *buf,
  62                                       int count,
  63                                       struct ompi_datatype_t *datatype,
  64                                       ompi_status_public_t * status);
  65 
  66 
  67 int mca_fcoll_two_phase_calc_aggregator (ompio_file_t *fh,
  68                                          OMPI_MPI_OFFSET_TYPE off,
  69                                          OMPI_MPI_OFFSET_TYPE min_off,
  70                                          OMPI_MPI_OFFSET_TYPE *len,
  71                                          OMPI_MPI_OFFSET_TYPE fd_size,
  72                                          OMPI_MPI_OFFSET_TYPE *fd_start,
  73                                          OMPI_MPI_OFFSET_TYPE *fd_end,
  74                                          int striping_unit,
  75                                          int num_aggregators,
  76                                          int *aggregator_list);
  77 
  78 int mca_fcoll_two_phase_calc_others_requests(ompio_file_t *fh,
  79                                              int count_my_req_procs,
  80                                              int *count_my_req_per_proc,
  81                                              mca_common_ompio_access_array_t *my_req,
  82                                              int *count_others_req_procs_ptr,
  83                                              mca_common_ompio_access_array_t **others_req_ptr);
  84 
  85 int mca_fcoll_two_phase_calc_my_requests (ompio_file_t *fh,
  86                                           struct iovec *offset_len,
  87                                           int contig_access_count,
  88                                           OMPI_MPI_OFFSET_TYPE min_st_offset,
  89                                           OMPI_MPI_OFFSET_TYPE *fd_start,
  90                                           OMPI_MPI_OFFSET_TYPE *fd_end,
  91                                           OMPI_MPI_OFFSET_TYPE fd_size,
  92                                           int *count_my_req_procs_ptr,
  93                                           int **count_my_req_per_proc_ptr,
  94                                           mca_common_ompio_access_array_t **my_req_ptr,
  95                                           size_t **buf_indices,
  96                                           int striping_unit,
  97                                           int num_aggregators,
  98                                           int *aggregator_list);
  99 
 100 int mca_fcoll_two_phase_domain_partition (ompio_file_t *fh,
 101                                            OMPI_MPI_OFFSET_TYPE *start_offsets,
 102                                            OMPI_MPI_OFFSET_TYPE *end_offsets,
 103                                            OMPI_MPI_OFFSET_TYPE *min_st_offset_ptr,
 104                                            OMPI_MPI_OFFSET_TYPE **fd_st_ptr,
 105                                            OMPI_MPI_OFFSET_TYPE **fd_end_ptr,
 106                                            int min_fd_size,
 107                                            OMPI_MPI_OFFSET_TYPE *fd_size_ptr,
 108                                            int striping_unit,
 109                                            int nprocs_for_coll);
 110 
 111 
 112 
 113 
 114 END_C_DECLS
 115 
 116 #endif /* MCA_FCOLL_TWO_PHASE_EXPORT_H */