1 /* smpi_mpi_dt_private.h -- functions of smpi_mpi_dt.c that are exported to other SMPI modules. */
3 /* Copyright (c) 2009-2017. The SimGrid Team. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #ifndef SMPI_DT_PRIVATE_H
9 #define SMPI_DT_PRIVATE_H
17 #define DT_FLAG_DESTROYED 0x0001 /**< user destroyed but some other layers still have a reference */
18 #define DT_FLAG_COMMITED 0x0002 /**< ready to be used for a send/recv operation */
19 #define DT_FLAG_CONTIGUOUS 0x0004 /**< contiguous datatype */
20 #define DT_FLAG_OVERLAP 0x0008 /**< datatype is unpropper for a recv operation */
21 #define DT_FLAG_USER_LB 0x0010 /**< has a user defined LB */
22 #define DT_FLAG_USER_UB 0x0020 /**< has a user defined UB */
23 #define DT_FLAG_PREDEFINED 0x0040 /**< cannot be removed: initial and predefined datatypes */
24 #define DT_FLAG_NO_GAPS 0x0080 /**< no gaps around the datatype */
25 #define DT_FLAG_DATA 0x0100 /**< data or control structure */
26 #define DT_FLAG_ONE_SIDED 0x0200 /**< datatype can be used for one sided operations */
27 #define DT_FLAG_UNAVAILABLE 0x0400 /**< datatypes unavailable on the build (OS or compiler dependant) */
28 #define DT_FLAG_VECTOR 0x0800 /**< valid only for loops. The loop contain only one element
29 **< without extent. It correspond to the vector type. */
31 * We should make the difference here between the predefined contiguous and non contiguous
32 * datatypes. The DT_FLAG_BASIC is held by all predefined contiguous datatypes.
34 #define DT_FLAG_BASIC (DT_FLAG_PREDEFINED | DT_FLAG_CONTIGUOUS | DT_FLAG_NO_GAPS | DT_FLAG_DATA | DT_FLAG_COMMITED)
36 extern const MPI_Datatype MPI_PTR;
38 /* Structures that handle complex data type information, used for serialization/unserialization of messages */
39 typedef struct s_smpi_mpi_contiguous{
40 s_smpi_subtype_t base;
41 MPI_Datatype old_type;
45 } s_smpi_mpi_contiguous_t;
47 typedef struct s_smpi_mpi_vector{
48 s_smpi_subtype_t base;
49 MPI_Datatype old_type;
54 } s_smpi_mpi_vector_t;
56 typedef struct s_smpi_mpi_hvector{
57 s_smpi_subtype_t base;
58 MPI_Datatype old_type;
60 MPI_Aint block_stride;
63 } s_smpi_mpi_hvector_t;
65 typedef struct s_smpi_mpi_indexed{
66 s_smpi_subtype_t base;
67 MPI_Datatype old_type;
72 } s_smpi_mpi_indexed_t;
74 typedef struct s_smpi_mpi_hindexed{
75 s_smpi_subtype_t base;
76 MPI_Datatype old_type;
79 MPI_Aint* block_indices;
81 } s_smpi_mpi_hindexed_t;
83 typedef struct s_smpi_mpi_struct{
84 s_smpi_subtype_t base;
85 MPI_Datatype old_type;
88 MPI_Aint* block_indices;
90 MPI_Datatype* old_types;
91 } s_smpi_mpi_struct_t;
93 //The following are datatypes for the MPI functions MPI_MAXLOC and MPI_MINLOC.
137 Functions to handle serialization/unserialization of messages, 3 for each type of MPI_Type
138 One for creating the substructure to handle, one for serialization, one for unserialization
140 XBT_PRIVATE void unserialize_contiguous( void *contiguous_vector, void *noncontiguous_vector, int count,
141 void *type, MPI_Op op);
142 XBT_PRIVATE void serialize_contiguous( void *noncontiguous_vector, void *contiguous_vector, int count,void *type);
143 XBT_PRIVATE void free_contiguous(MPI_Datatype* type);
144 XBT_PRIVATE void use_contiguous(MPI_Datatype* type);
145 XBT_PRIVATE s_smpi_mpi_contiguous_t* smpi_datatype_contiguous_create( MPI_Aint lb, int block_count,
146 MPI_Datatype old_type, int size_oldtype);
148 XBT_PRIVATE void unserialize_vector( void *contiguous_vector, void *noncontiguous_vector, int count,void *type,
150 XBT_PRIVATE void serialize_vector( void *noncontiguous_vector, void *contiguous_vector, int count, void *type);
151 XBT_PRIVATE void free_vector(MPI_Datatype* type);
152 XBT_PRIVATE void use_vector(MPI_Datatype* type);
153 XBT_PRIVATE s_smpi_mpi_vector_t* smpi_datatype_vector_create( int block_stride, int block_length, int block_count,
154 MPI_Datatype old_type, int size_oldtype);
156 XBT_PRIVATE void unserialize_hvector( void *contiguous_vector, void *noncontiguous_vector, int count, void *type,
158 XBT_PRIVATE void serialize_hvector( void *noncontiguous_vector, void *contiguous_vector, int count, void *type);
159 XBT_PRIVATE void free_hvector(MPI_Datatype* type);
160 XBT_PRIVATE void use_hvector(MPI_Datatype* type);
161 XBT_PRIVATE s_smpi_mpi_hvector_t* smpi_datatype_hvector_create( MPI_Aint block_stride, int block_length,
162 int block_count, MPI_Datatype old_type, int size_oldtype);
164 XBT_PRIVATE void unserialize_indexed( void *contiguous_indexed, void *noncontiguous_indexed, int count,
165 void *type, MPI_Op op);
166 XBT_PRIVATE void serialize_indexed( void *noncontiguous_vector, void *contiguous_vector, int count, void *type);
167 XBT_PRIVATE void free_indexed(MPI_Datatype* type);
168 XBT_PRIVATE void use_indexed(MPI_Datatype* type);
169 XBT_PRIVATE s_smpi_mpi_indexed_t* smpi_datatype_indexed_create(int* block_lengths, int* block_indices,
170 int block_count, MPI_Datatype old_type, int size_oldtype);
172 XBT_PRIVATE void unserialize_hindexed( void *contiguous_indexed, void *noncontiguous_indexed, int count,
173 void *type, MPI_Op op);
174 XBT_PRIVATE void serialize_hindexed( void *noncontiguous_vector, void *contiguous_vector, int count, void *type);
175 XBT_PRIVATE void free_hindexed(MPI_Datatype* type);
176 XBT_PRIVATE void use_hindexed(MPI_Datatype* type);
177 XBT_PRIVATE s_smpi_mpi_hindexed_t* smpi_datatype_hindexed_create(int* block_lengths, MPI_Aint* block_indices,
178 int block_count, MPI_Datatype old_type, int size_oldtype);
180 XBT_PRIVATE void unserialize_struct( void *contiguous_indexed, void *noncontiguous_indexed, int count, void *type,
182 XBT_PRIVATE void serialize_struct( void *noncontiguous_vector, void *contiguous_vector, int count, void *type);
183 XBT_PRIVATE void free_struct(MPI_Datatype* type);
184 XBT_PRIVATE void use_struct(MPI_Datatype* type);
185 XBT_PRIVATE s_smpi_mpi_struct_t* smpi_datatype_struct_create(int* block_lengths, MPI_Aint* block_indices,
186 int block_count, MPI_Datatype* old_types);