src/smpi/smpi_mpi_dt_private.h

   1 /* smpi_mpi_dt_private.h -- functions of smpi_mpi_dt.c that are exported to other SMPI modules. */
   2
   3 /* Copyright (c) 2009-2010, 2012-2014. The SimGrid Team.
   4  * All rights reserved.                                                     */
   5
   6 /* This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the license (GNU LGPL) which comes with this package. */
   8
   9 #ifndef SMPI_DT_PRIVATE_H
  10 #define SMPI_DT_PRIVATE_H
  11
  12 #include <xbt/base.h>
  13
  14 #include "private.h"
  15
  16 SG_BEGIN_DECL()
  17
  18 #define DT_FLAG_DESTROYED     0x0001  /**< user destroyed but some other layers still have a reference */
  19 #define DT_FLAG_COMMITED      0x0002  /**< ready to be used for a send/recv operation */
  20 #define DT_FLAG_CONTIGUOUS    0x0004  /**< contiguous datatype */
  21 #define DT_FLAG_OVERLAP       0x0008  /**< datatype is unpropper for a recv operation */
  22 #define DT_FLAG_USER_LB       0x0010  /**< has a user defined LB */
  23 #define DT_FLAG_USER_UB       0x0020  /**< has a user defined UB */
  24 #define DT_FLAG_PREDEFINED    0x0040  /**< cannot be removed: initial and predefined datatypes */
  25 #define DT_FLAG_NO_GAPS       0x0080  /**< no gaps around the datatype */
  26 #define DT_FLAG_DATA          0x0100  /**< data or control structure */
  27 #define DT_FLAG_ONE_SIDED     0x0200  /**< datatype can be used for one sided operations */
  28 #define DT_FLAG_UNAVAILABLE   0x0400  /**< datatypes unavailable on the build (OS or compiler dependant) */
  29 #define DT_FLAG_VECTOR        0x0800  /**< valid only for loops. The loop contain only one element
  30                                        **< without extent. It correspond to the vector type. */
  31 /*
  32  * We should make the difference here between the predefined contiguous and non contiguous
  33  * datatypes. The DT_FLAG_BASIC is held by all predefined contiguous datatypes.
  34  */
  35 #define DT_FLAG_BASIC         (DT_FLAG_PREDEFINED | DT_FLAG_CONTIGUOUS | DT_FLAG_NO_GAPS | DT_FLAG_DATA | DT_FLAG_COMMITED)
  36
  37 extern const MPI_Datatype MPI_PTR;
  38
  39
  40 //*****************************************************************************************
  41
  42 /*
  43   These are the structures that handle complex data type information,
  44   used for serialization/unserialization of messages
  45 */
  46
  47 typedef struct s_smpi_mpi_contiguous{
  48   s_smpi_subtype_t base;
  49   MPI_Datatype old_type;
  50   MPI_Aint lb;
  51   size_t size_oldtype;
  52   int block_count;
  53 } s_smpi_mpi_contiguous_t;
  54
  55 typedef struct s_smpi_mpi_vector{
  56   s_smpi_subtype_t base;
  57   MPI_Datatype old_type;
  58   size_t size_oldtype;
  59   int block_stride;
  60   int block_length;
  61   int block_count;
  62 } s_smpi_mpi_vector_t;
  63
  64 typedef struct s_smpi_mpi_hvector{
  65   s_smpi_subtype_t base;
  66   MPI_Datatype old_type;
  67   size_t size_oldtype;
  68   MPI_Aint block_stride;
  69   int block_length;
  70   int block_count;
  71 } s_smpi_mpi_hvector_t;
  72
  73 typedef struct s_smpi_mpi_indexed{
  74   s_smpi_subtype_t base;
  75   MPI_Datatype old_type;
  76   size_t size_oldtype;
  77   int* block_lengths;
  78   int* block_indices;
  79   int block_count;
  80 } s_smpi_mpi_indexed_t;
  81
  82 typedef struct s_smpi_mpi_hindexed{
  83   s_smpi_subtype_t base;
  84   MPI_Datatype old_type;
  85   size_t size_oldtype;
  86   int* block_lengths;
  87   MPI_Aint* block_indices;
  88   int block_count;
  89 } s_smpi_mpi_hindexed_t;
  90
  91 typedef struct s_smpi_mpi_struct{
  92   s_smpi_subtype_t base;
  93   MPI_Datatype old_type;
  94   size_t size_oldtype;
  95   int* block_lengths;
  96   MPI_Aint* block_indices;
  97   int block_count;
  98   MPI_Datatype* old_types;
  99 } s_smpi_mpi_struct_t;
 100
 101 /*
 102   Functions to handle serialization/unserialization of messages, 3 for each type of MPI_Type
 103   One for creating the substructure to handle, one for serialization, one for unserialization
 104 */
 105 XBT_PRIVATE void unserialize_contiguous( const void *contiguous_vector,
 106                          void *noncontiguous_vector,
 107                          int count,
 108                          void *type,
 109                          MPI_Op op);
 110
 111 XBT_PRIVATE void serialize_contiguous( const void *noncontiguous_vector,
 112                        void *contiguous_vector,
 113                        int count,
 114                        void *type);
 115
 116 XBT_PRIVATE void free_contiguous(MPI_Datatype* type);
 117
 118 XBT_PRIVATE s_smpi_mpi_contiguous_t* smpi_datatype_contiguous_create( MPI_Aint lb,
 119                                                   int block_count,
 120                                                   MPI_Datatype old_type,
 121                                                   int size_oldtype);
 122
 123 XBT_PRIVATE void unserialize_vector( const void *contiguous_vector,
 124                          void *noncontiguous_vector,
 125                          int count,
 126                          void *type,
 127                          MPI_Op op);
 128
 129 XBT_PRIVATE void serialize_vector( const void *noncontiguous_vector,
 130                        void *contiguous_vector,
 131                        int count,
 132                        void *type);
 133
 134 XBT_PRIVATE void free_vector(MPI_Datatype* type);
 135
 136 XBT_PRIVATE s_smpi_mpi_vector_t* smpi_datatype_vector_create( int block_stride,
 137                                                   int block_length,
 138                                                   int block_count,
 139                                                   MPI_Datatype old_type,
 140                                                   int size_oldtype);
 141
 142 XBT_PRIVATE void unserialize_hvector( const void *contiguous_vector,
 143                          void *noncontiguous_vector,
 144                          int count,
 145                          void *type,
 146                          MPI_Op op);
 147
 148 XBT_PRIVATE void serialize_hvector( const void *noncontiguous_vector,
 149                        void *contiguous_vector,
 150                        int count,
 151                        void *type);
 152
 153 XBT_PRIVATE void free_hvector(MPI_Datatype* type);
 154
 155 XBT_PRIVATE s_smpi_mpi_hvector_t* smpi_datatype_hvector_create( MPI_Aint block_stride,
 156                                                   int block_length,
 157                                                   int block_count,
 158                                                   MPI_Datatype old_type,
 159                                                   int size_oldtype);
 160
 161
 162 XBT_PRIVATE void unserialize_indexed( const void *contiguous_indexed,
 163                          void *noncontiguous_indexed,
 164                          int count,
 165                          void *type,
 166                          MPI_Op op);
 167
 168 XBT_PRIVATE void serialize_indexed( const void *noncontiguous_vector,
 169                        void *contiguous_vector,
 170                        int count,
 171                        void *type);
 172
 173 XBT_PRIVATE void free_indexed(MPI_Datatype* type);
 174
 175 XBT_PRIVATE s_smpi_mpi_indexed_t* smpi_datatype_indexed_create(int* block_lengths,
 176                                                   int* block_indices,
 177                                                   int block_count,
 178                                                   MPI_Datatype old_type,
 179                                                   int size_oldtype);
 180
 181 XBT_PRIVATE void unserialize_hindexed( const void *contiguous_indexed,
 182                          void *noncontiguous_indexed,
 183                          int count,
 184                          void *type,
 185                          MPI_Op op);
 186
 187 XBT_PRIVATE void serialize_hindexed( const void *noncontiguous_vector,
 188                        void *contiguous_vector,
 189                        int count,
 190                        void *type);
 191
 192 XBT_PRIVATE void free_hindexed(MPI_Datatype* type);
 193
 194 XBT_PRIVATE s_smpi_mpi_hindexed_t* smpi_datatype_hindexed_create(int* block_lengths,
 195                                                   MPI_Aint* block_indices,
 196                                                   int block_count,
 197                                                   MPI_Datatype old_type,
 198                                                   int size_oldtype);
 199
 200 XBT_PRIVATE void unserialize_struct( const void *contiguous_indexed,
 201                          void *noncontiguous_indexed,
 202                          int count,
 203                          void *type,
 204                          MPI_Op op);
 205
 206 XBT_PRIVATE void serialize_struct( const void *noncontiguous_vector,
 207                        void *contiguous_vector,
 208                        int count,
 209                        void *type);
 210
 211 XBT_PRIVATE void free_struct(MPI_Datatype* type);
 212
 213 XBT_PRIVATE s_smpi_mpi_struct_t* smpi_datatype_struct_create(int* block_lengths,
 214                                                   MPI_Aint* block_indices,
 215                                                   int block_count,
 216                                                   MPI_Datatype* old_types);
 217
 218 SG_END_DECL()
 219
 220 #endif