1 /* smpi_mpi_dt_private.h -- functions of smpi_mpi_dt.c that are exported to other SMPI modules. */
3 /* Copyright (c) 2009-2010, 2012-2014. The SimGrid Team.
4 * All rights reserved. */
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. */
9 #ifndef SMPI_DT_PRIVATE_H
10 #define SMPI_DT_PRIVATE_H
14 #define DT_FLAG_DESTROYED 0x0001 /**< user destroyed but some other layers still have a reference */
15 #define DT_FLAG_COMMITED 0x0002 /**< ready to be used for a send/recv operation */
16 #define DT_FLAG_CONTIGUOUS 0x0004 /**< contiguous datatype */
17 #define DT_FLAG_OVERLAP 0x0008 /**< datatype is unpropper for a recv operation */
18 #define DT_FLAG_USER_LB 0x0010 /**< has a user defined LB */
19 #define DT_FLAG_USER_UB 0x0020 /**< has a user defined UB */
20 #define DT_FLAG_PREDEFINED 0x0040 /**< cannot be removed: initial and predefined datatypes */
21 #define DT_FLAG_NO_GAPS 0x0080 /**< no gaps around the datatype */
22 #define DT_FLAG_DATA 0x0100 /**< data or control structure */
23 #define DT_FLAG_ONE_SIDED 0x0200 /**< datatype can be used for one sided operations */
24 #define DT_FLAG_UNAVAILABLE 0x0400 /**< datatypes unavailable on the build (OS or compiler dependant) */
25 #define DT_FLAG_VECTOR 0x0800 /**< valid only for loops. The loop contain only one element
26 **< without extent. It correspond to the vector type. */
28 * We should make the difference here between the predefined contiguous and non contiguous
29 * datatypes. The DT_FLAG_BASIC is held by all predefined contiguous datatypes.
31 #define DT_FLAG_BASIC (DT_FLAG_PREDEFINED | DT_FLAG_CONTIGUOUS | DT_FLAG_NO_GAPS | DT_FLAG_DATA | DT_FLAG_COMMITED)
33 extern MPI_Datatype MPI_PTR;
36 //*****************************************************************************************
39 These are the structures that handle complex data type information,
40 used for serialization/unserialization of messages
43 typedef struct s_smpi_mpi_contiguous{
44 s_smpi_subtype_t base;
45 MPI_Datatype old_type;
49 } s_smpi_mpi_contiguous_t;
51 typedef struct s_smpi_mpi_vector{
52 s_smpi_subtype_t base;
53 MPI_Datatype old_type;
58 } s_smpi_mpi_vector_t;
60 typedef struct s_smpi_mpi_hvector{
61 s_smpi_subtype_t base;
62 MPI_Datatype old_type;
64 MPI_Aint block_stride;
67 } s_smpi_mpi_hvector_t;
69 typedef struct s_smpi_mpi_indexed{
70 s_smpi_subtype_t base;
71 MPI_Datatype old_type;
76 } s_smpi_mpi_indexed_t;
78 typedef struct s_smpi_mpi_hindexed{
79 s_smpi_subtype_t base;
80 MPI_Datatype old_type;
83 MPI_Aint* block_indices;
85 } s_smpi_mpi_hindexed_t;
87 typedef struct s_smpi_mpi_struct{
88 s_smpi_subtype_t base;
89 MPI_Datatype old_type;
92 MPI_Aint* block_indices;
94 MPI_Datatype* old_types;
95 } s_smpi_mpi_struct_t;
98 Functions to handle serialization/unserialization of messages, 3 for each type of MPI_Type
99 One for creating the substructure to handle, one for serialization, one for unserialization
101 void unserialize_contiguous( const void *contiguous_vector,
102 void *noncontiguous_vector,
107 void serialize_contiguous( const void *noncontiguous_vector,
108 void *contiguous_vector,
112 void free_contiguous(MPI_Datatype* type);
114 s_smpi_mpi_contiguous_t* smpi_datatype_contiguous_create( MPI_Aint lb,
116 MPI_Datatype old_type,
119 void unserialize_vector( const void *contiguous_vector,
120 void *noncontiguous_vector,
125 void serialize_vector( const void *noncontiguous_vector,
126 void *contiguous_vector,
130 void free_vector(MPI_Datatype* type);
132 s_smpi_mpi_vector_t* smpi_datatype_vector_create( int block_stride,
135 MPI_Datatype old_type,
138 void unserialize_hvector( const void *contiguous_vector,
139 void *noncontiguous_vector,
144 void serialize_hvector( const void *noncontiguous_vector,
145 void *contiguous_vector,
149 void free_hvector(MPI_Datatype* type);
151 s_smpi_mpi_hvector_t* smpi_datatype_hvector_create( MPI_Aint block_stride,
154 MPI_Datatype old_type,
158 void unserialize_indexed( const void *contiguous_indexed,
159 void *noncontiguous_indexed,
164 void serialize_indexed( const void *noncontiguous_vector,
165 void *contiguous_vector,
169 void free_indexed(MPI_Datatype* type);
171 s_smpi_mpi_indexed_t* smpi_datatype_indexed_create(int* block_lengths,
174 MPI_Datatype old_type,
177 void unserialize_hindexed( const void *contiguous_indexed,
178 void *noncontiguous_indexed,
183 void serialize_hindexed( const void *noncontiguous_vector,
184 void *contiguous_vector,
188 void free_hindexed(MPI_Datatype* type);
190 s_smpi_mpi_hindexed_t* smpi_datatype_hindexed_create(int* block_lengths,
191 MPI_Aint* block_indices,
193 MPI_Datatype old_type,
196 void unserialize_struct( const void *contiguous_indexed,
197 void *noncontiguous_indexed,
202 void serialize_struct( const void *noncontiguous_vector,
203 void *contiguous_vector,
207 void free_struct(MPI_Datatype* type);
209 s_smpi_mpi_struct_t* smpi_datatype_struct_create(int* block_lengths,
210 MPI_Aint* block_indices,
212 MPI_Datatype* old_types);