* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
#include <stdio.h>
#include <stdlib.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_mpi_dt, smpi,
"Logging specific to SMPI (datatype)");
-typedef struct s_smpi_mpi_datatype {
- size_t size;
- size_t contiguous;
- size_t block_stride;
- size_t block_length;
- size_t block_count:
- MPI_Aint lb;
- MPI_Aint ub;
- int flags;
-} s_smpi_mpi_datatype_t;
-
#define CREATE_MPI_DATATYPE(name, type) \
static s_smpi_mpi_datatype_t mpi_##name = { \
sizeof(type), /* size */ \
- 1, /*contiguous*/ \
- 0, /*block_stride*/ \
- 0, /*block_length*/ \
- 0, /*block_count*/ \
+ 0, /*was 1 has_subtype*/ \
0, /* lb */ \
sizeof(type), /* ub = lb + size */ \
- DT_FLAG_BASIC /* flags */ \
+ DT_FLAG_BASIC, /* flags */ \
+ NULL /* pointer on extended struct*/ \
}; \
- MPI_Datatype name = &mpi_##name;
+MPI_Datatype name = &mpi_##name;
//The following are datatypes for the MPI functions MPI_MAXLOC and MPI_MINLOC.
return datatype->size;
}
-size_t smpi_datatype_contiguous(MPI_Datatype datatype)
-{
- return datatype->contiguous;
-}
-size_t smpi_datatype_block_stride(MPI_Datatype datatype)
-{
- return datatype->block_stride;
-}
-size_t smpi_datatype_block_length(MPI_Datatype datatype)
-{
- return datatype->block_length;
-}
-size_t smpi_datatype_block_count(MPI_Datatype datatype)
-{
- return datatype->block_count;
-}
MPI_Aint smpi_datatype_lb(MPI_Datatype datatype)
{
sendcount *= smpi_datatype_size(sendtype);
recvcount *= smpi_datatype_size(recvtype);
count = sendcount < recvcount ? sendcount : recvcount;
- memcpy(recvbuf, sendbuf, count);
+
+ if(sendtype->has_subtype == 0 && recvtype->has_subtype == 0) {
+ memcpy(recvbuf, sendbuf, count);
+ }
+ else if (sendtype->has_subtype == 0)
+ {
+ s_smpi_subtype_t *subtype = recvtype->substruct;
+ subtype->unserialize( sendbuf, recvbuf,1, subtype);
+ }
+ else if (recvtype->has_subtype == 0)
+ {
+ s_smpi_subtype_t *subtype = sendtype->substruct;
+ subtype->serialize(sendbuf, recvbuf,1, subtype);
+ }else{
+ s_smpi_subtype_t *subtype = sendtype->substruct;
+
+ s_smpi_mpi_vector_t* type_c = (s_smpi_mpi_vector_t*)sendtype;
+
+ void * buf_tmp = malloc(count * type_c->size_oldtype);
+
+ subtype->serialize( sendbuf, buf_tmp,1, subtype);
+ subtype = recvtype->substruct;
+ subtype->unserialize(recvbuf, buf_tmp,1, subtype);
+
+ free(buf_tmp);
+ }
retval = sendcount > recvcount ? MPI_ERR_TRUNCATE : MPI_SUCCESS;
}
+
return retval;
}
-void smpi_datatype_create(MPI_Datatype* new_type, int size, int flags){
+/*
+ * Copies noncontiguous data into contiguous memory.
+ * @param contiguous_vector - output vector
+ * @param noncontiguous_vector - input vector
+ * @param type - pointer contening :
+ * - stride - stride of between noncontiguous data
+ * - block_length - the width or height of blocked matrix
+ * - count - the number of rows of matrix
+ */
+void serialize_vector( const void *noncontiguous_vector,
+ void *contiguous_vector,
+ size_t count,
+ void *type)
+{
+ s_smpi_mpi_vector_t* type_c = (s_smpi_mpi_vector_t*)type;
+ int i;
+ char* contiguous_vector_char = (char*)contiguous_vector;
+ char* noncontiguous_vector_char = (char*)noncontiguous_vector;
+
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(contiguous_vector_char,
+ noncontiguous_vector_char, type_c->block_length * type_c->size_oldtype);
+
+ contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
+ noncontiguous_vector_char += type_c->block_stride*type_c->size_oldtype;
+ }
+}
+
+/*
+ * Copies contiguous data into noncontiguous memory.
+ * @param noncontiguous_vector - output vector
+ * @param contiguous_vector - input vector
+ * @param type - pointer contening :
+ * - stride - stride of between noncontiguous data
+ * - block_length - the width or height of blocked matrix
+ * - count - the number of rows of matrix
+ */
+void unserialize_vector( const void *contiguous_vector,
+ void *noncontiguous_vector,
+ size_t count,
+ void *type)
+{
+ s_smpi_mpi_vector_t* type_c = (s_smpi_mpi_vector_t*)type;
+ int i;
+
+ char* contiguous_vector_char = (char*)contiguous_vector;
+ char* noncontiguous_vector_char = (char*)noncontiguous_vector;
+
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(noncontiguous_vector_char,
+ contiguous_vector_char, type_c->block_length * type_c->size_oldtype);
+
+ contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
+ noncontiguous_vector_char += type_c->block_stride*type_c->size_oldtype;
+ }
+}
+
+/*
+ * Create a Sub type vector to be able to serialize and unserialize it
+ * the structre s_smpi_mpi_vector_t is derived from s_smpi_subtype which
+ * required the functions unserialize and serialize
+ *
+ */
+s_smpi_mpi_vector_t* smpi_datatype_vector_create( int block_stride,
+ int block_length,
+ int block_count,
+ MPI_Datatype old_type,
+ int size_oldtype){
+ s_smpi_mpi_vector_t *new_t= xbt_new(s_smpi_mpi_vector_t,1);
+ new_t->base.serialize = &serialize_vector;
+ new_t->base.unserialize = &unserialize_vector;
+ new_t->block_stride = block_stride;
+ new_t->block_length = block_length;
+ new_t->block_count = block_count;
+ new_t->old_type = old_type;
+ new_t->size_oldtype = size_oldtype;
+ return new_t;
+}
+
+void smpi_datatype_create(MPI_Datatype* new_type, int size, int has_subtype,
+ void *struct_type, int flags){
MPI_Datatype new_t= xbt_new(s_smpi_mpi_datatype_t,1);
- new_t->size=size;
- new_t->lb=0;
- new_t->ub=size;
- new_t->flags=flags;
+ new_t->size = size;
+ new_t->has_subtype = has_subtype;
+ new_t->lb = 0;
+ new_t->ub = size;
+ new_t->flags = flags;
+ new_t->substruct = struct_type;
*new_type = new_t;
}
{
int retval;
if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
- retval = MPI_ERR_TYPE;
+ retval = MPI_ERR_TYPE;
} else {
- smpi_datatype_create(new_type, count * smpi_datatype_size(old_type), DT_FLAG_CONTIGUOUS);
+ smpi_datatype_create(new_type, count *
+ smpi_datatype_size(old_type),1,NULL, DT_FLAG_CONTIGUOUS);
retval=MPI_SUCCESS;
}
return retval;
int smpi_datatype_vector(int count, int blocklen, int stride, MPI_Datatype old_type, MPI_Datatype* new_type)
{
int retval;
- if (blocklen<=0)return MPI_ERR_ARG;
+ if (blocklen<=0) return MPI_ERR_ARG;
if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
- retval = MPI_ERR_TYPE;
+ retval = MPI_ERR_TYPE;
} else {
- smpi_datatype_create(new_type, count * (blocklen+stride) * smpi_datatype_size(old_type), DT_FLAG_VECTOR);
- retval=MPI_SUCCESS;
+ if(stride != blocklen){
+ s_smpi_mpi_vector_t* subtype = smpi_datatype_vector_create( stride,
+ blocklen,
+ count,
+ old_type,
+ smpi_datatype_size(old_type));
+
+ smpi_datatype_create(new_type, count * (blocklen) *
+ smpi_datatype_size(old_type),
+ 1,
+ subtype,
+ DT_FLAG_VECTOR);
+ retval=MPI_SUCCESS;
+ }else{
+ /* in this situation the data are contignous thus it's not
+ * required to serialize and unserialize it*/
+ smpi_datatype_create(new_type, count * blocklen *
+ smpi_datatype_size(old_type),
+ 0,
+ NULL,
+ DT_FLAG_VECTOR);
+ retval=MPI_SUCCESS;
+ }
}
return retval;
}
+
+
+/*
+Hvector Implementation - Vector with stride in bytes
+*/
+
+
+/*
+ * Copies noncontiguous data into contiguous memory.
+ * @param contiguous_hvector - output hvector
+ * @param noncontiguous_hvector - input hvector
+ * @param type - pointer contening :
+ * - stride - stride of between noncontiguous data, in bytes
+ * - block_length - the width or height of blocked matrix
+ * - count - the number of rows of matrix
+ */
+void serialize_hvector( const void *noncontiguous_hvector,
+ void *contiguous_hvector,
+ size_t count,
+ void *type)
+{
+ s_smpi_mpi_hvector_t* type_c = (s_smpi_mpi_hvector_t*)type;
+ int i;
+ char* contiguous_vector_char = (char*)contiguous_hvector;
+ char* noncontiguous_vector_char = (char*)noncontiguous_hvector;
+
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(contiguous_vector_char,
+ noncontiguous_vector_char, type_c->block_length * type_c->size_oldtype);
+
+ contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
+ noncontiguous_vector_char += type_c->block_stride;
+ }
+}
+/*
+ * Copies contiguous data into noncontiguous memory.
+ * @param noncontiguous_vector - output hvector
+ * @param contiguous_vector - input hvector
+ * @param type - pointer contening :
+ * - stride - stride of between noncontiguous data, in bytes
+ * - block_length - the width or height of blocked matrix
+ * - count - the number of rows of matrix
+ */
+void unserialize_hvector( const void *contiguous_vector,
+ void *noncontiguous_vector,
+ size_t count,
+ void *type)
+{
+ s_smpi_mpi_hvector_t* type_c = (s_smpi_mpi_hvector_t*)type;
+ int i;
+
+ char* contiguous_vector_char = (char*)contiguous_vector;
+ char* noncontiguous_vector_char = (char*)noncontiguous_vector;
+
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(noncontiguous_vector_char,
+ contiguous_vector_char, type_c->block_length * type_c->size_oldtype);
+
+ contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
+ noncontiguous_vector_char += type_c->block_stride;
+ }
+}
+
+/*
+ * Create a Sub type vector to be able to serialize and unserialize it
+ * the structre s_smpi_mpi_vector_t is derived from s_smpi_subtype which
+ * required the functions unserialize and serialize
+ *
+ */
+s_smpi_mpi_hvector_t* smpi_datatype_hvector_create( MPI_Aint block_stride,
+ int block_length,
+ int block_count,
+ MPI_Datatype old_type,
+ int size_oldtype){
+ s_smpi_mpi_hvector_t *new_t= xbt_new(s_smpi_mpi_hvector_t,1);
+ new_t->base.serialize = &serialize_hvector;
+ new_t->base.unserialize = &unserialize_hvector;
+ new_t->block_stride = block_stride;
+ new_t->block_length = block_length;
+ new_t->block_count = block_count;
+ new_t->old_type = old_type;
+ new_t->size_oldtype = size_oldtype;
+ return new_t;
+}
+
int smpi_datatype_hvector(int count, int blocklen, MPI_Aint stride, MPI_Datatype old_type, MPI_Datatype* new_type)
{
int retval;
- if (blocklen<=0)return MPI_ERR_ARG;
+ if (blocklen<=0) return MPI_ERR_ARG;
if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
- retval = MPI_ERR_TYPE;
+ retval = MPI_ERR_TYPE;
} else {
- smpi_datatype_create(new_type, count * ((blocklen * smpi_datatype_size(old_type))+stride), DT_FLAG_VECTOR);
- retval=MPI_SUCCESS;
+ if(stride != blocklen*smpi_datatype_size(old_type)){
+ s_smpi_mpi_hvector_t* subtype = smpi_datatype_hvector_create( stride,
+ blocklen,
+ count,
+ old_type,
+ smpi_datatype_size(old_type));
+
+ smpi_datatype_create(new_type, count * blocklen *
+ smpi_datatype_size(old_type),
+ 1,
+ subtype,
+ DT_FLAG_VECTOR);
+ retval=MPI_SUCCESS;
+ }else{
+ smpi_datatype_create(new_type, count * blocklen *
+ smpi_datatype_size(old_type),
+ 0,
+ NULL,
+ DT_FLAG_VECTOR);
+ retval=MPI_SUCCESS;
+ }
}
return retval;
}
+/*
+Indexed Implementation
+*/
+
+/*
+ * Copies noncontiguous data into contiguous memory.
+ * @param contiguous_indexed - output indexed
+ * @param noncontiguous_indexed - input indexed
+ * @param type - pointer contening :
+ * - stride - stride of between noncontiguous data
+ * - block_length - the width or height of blocked matrix
+ * - count - the number of rows of matrix
+ */
+void serialize_indexed( const void *noncontiguous_indexed,
+ void *contiguous_indexed,
+ size_t count,
+ void *type)
+{
+ s_smpi_mpi_indexed_t* type_c = (s_smpi_mpi_indexed_t*)type;
+ int i;
+ char* contiguous_indexed_char = (char*)contiguous_indexed;
+ char* noncontiguous_indexed_char = (char*)noncontiguous_indexed;
+
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(contiguous_indexed_char,
+ noncontiguous_indexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+
+ contiguous_indexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
+ noncontiguous_indexed_char = (char*)noncontiguous_indexed + type_c->block_indices[i+1]*type_c->size_oldtype;
+ }
+}
+/*
+ * Copies contiguous data into noncontiguous memory.
+ * @param noncontiguous_indexed - output indexed
+ * @param contiguous_indexed - input indexed
+ * @param type - pointer contening :
+ * - stride - stride of between noncontiguous data
+ * - block_length - the width or height of blocked matrix
+ * - count - the number of rows of matrix
+ */
+void unserialize_indexed( const void *contiguous_indexed,
+ void *noncontiguous_indexed,
+ size_t count,
+ void *type)
+{
+ s_smpi_mpi_indexed_t* type_c = (s_smpi_mpi_indexed_t*)type;
+ int i;
+
+ char* contiguous_indexed_char = (char*)contiguous_indexed;
+ char* noncontiguous_indexed_char = (char*)noncontiguous_indexed;
+
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(noncontiguous_indexed_char,
+ contiguous_indexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+
+ contiguous_indexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
+ noncontiguous_indexed_char = (char*)noncontiguous_indexed + type_c->block_indices[i+1]*type_c->size_oldtype;
+ }
+}
+
+/*
+ * Create a Sub type indexed to be able to serialize and unserialize it
+ * the structre s_smpi_mpi_indexed_t is derived from s_smpi_subtype which
+ * required the functions unserialize and serialize
+ */
+s_smpi_mpi_indexed_t* smpi_datatype_indexed_create( int* block_lengths,
+ int* block_indices,
+ int block_count,
+ MPI_Datatype old_type,
+ int size_oldtype){
+ s_smpi_mpi_indexed_t *new_t= xbt_new(s_smpi_mpi_indexed_t,1);
+ new_t->base.serialize = &serialize_indexed;
+ new_t->base.unserialize = &unserialize_indexed;
+ //FIXME : copy those or assume they won't be freed ?
+ new_t->block_lengths = block_lengths;
+ new_t->block_indices = block_indices;
+ new_t->block_count = block_count;
+ new_t->old_type = old_type;
+ new_t->size_oldtype = size_oldtype;
+ return new_t;
+}
+
+
int smpi_datatype_indexed(int count, int* blocklens, int* indices, MPI_Datatype old_type, MPI_Datatype* new_type)
{
int i;
int retval;
+ int size = 0;
for(i=0; i< count; i++){
if (blocklens[i]<=0)
return MPI_ERR_ARG;
+ size += blocklens[i];
}
if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
- retval = MPI_ERR_TYPE;
+ retval = MPI_ERR_TYPE;
} else {
- smpi_datatype_create(new_type, (blocklens[count-1] + indices[count-1]) * smpi_datatype_size(old_type), DT_FLAG_DATA);
+ s_smpi_mpi_indexed_t* subtype = smpi_datatype_indexed_create( blocklens,
+ indices,
+ count,
+ old_type,
+ smpi_datatype_size(old_type));
+
+ smpi_datatype_create(new_type, size *
+ smpi_datatype_size(old_type),1, subtype, DT_FLAG_DATA);
retval=MPI_SUCCESS;
}
return retval;
}
+
+/*
+Hindexed Implementation - Indexed with indices in bytes
+*/
+
+/*
+ * Copies noncontiguous data into contiguous memory.
+ * @param contiguous_hindexed - output hindexed
+ * @param noncontiguous_hindexed - input hindexed
+ * @param type - pointer contening :
+ * - stride - stride of between noncontiguous data
+ * - block_length - the width or height of blocked matrix
+ * - count - the number of rows of matrix
+ */
+void serialize_hindexed( const void *noncontiguous_hindexed,
+ void *contiguous_hindexed,
+ size_t count,
+ void *type)
+{
+ s_smpi_mpi_hindexed_t* type_c = (s_smpi_mpi_hindexed_t*)type;
+ int i;
+ char* contiguous_hindexed_char = (char*)contiguous_hindexed;
+ char* noncontiguous_hindexed_char = (char*)noncontiguous_hindexed;
+
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(contiguous_hindexed_char,
+ noncontiguous_hindexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+
+ contiguous_hindexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
+ noncontiguous_hindexed_char = (char*)noncontiguous_hindexed + type_c->block_indices[i+1];
+ }
+}
+/*
+ * Copies contiguous data into noncontiguous memory.
+ * @param noncontiguous_hindexed - output hindexed
+ * @param contiguous_hindexed - input hindexed
+ * @param type - pointer contening :
+ * - stride - stride of between noncontiguous data
+ * - block_length - the width or height of blocked matrix
+ * - count - the number of rows of matrix
+ */
+void unserialize_hindexed( const void *contiguous_hindexed,
+ void *noncontiguous_hindexed,
+ size_t count,
+ void *type)
+{
+ s_smpi_mpi_hindexed_t* type_c = (s_smpi_mpi_hindexed_t*)type;
+ int i;
+
+ char* contiguous_hindexed_char = (char*)contiguous_hindexed;
+ char* noncontiguous_hindexed_char = (char*)noncontiguous_hindexed;
+
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(noncontiguous_hindexed_char,
+ contiguous_hindexed_char, type_c->block_lengths[i] * type_c->size_oldtype);
+
+ contiguous_hindexed_char += type_c->block_lengths[i]*type_c->size_oldtype;
+ noncontiguous_hindexed_char = (char*)noncontiguous_hindexed + type_c->block_indices[i+1];
+ }
+}
+
+/*
+ * Create a Sub type hindexed to be able to serialize and unserialize it
+ * the structre s_smpi_mpi_hindexed_t is derived from s_smpi_subtype which
+ * required the functions unserialize and serialize
+ */
+s_smpi_mpi_hindexed_t* smpi_datatype_hindexed_create( int* block_lengths,
+ MPI_Aint* block_indices,
+ int block_count,
+ MPI_Datatype old_type,
+ int size_oldtype){
+ s_smpi_mpi_hindexed_t *new_t= xbt_new(s_smpi_mpi_hindexed_t,1);
+ new_t->base.serialize = &serialize_hindexed;
+ new_t->base.unserialize = &unserialize_hindexed;
+ //FIXME : copy those or assume they won't be freed ?
+ new_t->block_lengths = block_lengths;
+ new_t->block_indices = block_indices;
+ new_t->block_count = block_count;
+ new_t->old_type = old_type;
+ new_t->size_oldtype = size_oldtype;
+ return new_t;
+}
+
+
int smpi_datatype_hindexed(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype old_type, MPI_Datatype* new_type)
{
int i;
int retval;
+ int size = 0;
for(i=0; i< count; i++){
if (blocklens[i]<=0)
return MPI_ERR_ARG;
+ size += blocklens[i];
}
if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
- retval = MPI_ERR_TYPE;
+ retval = MPI_ERR_TYPE;
} else {
- smpi_datatype_create(new_type,indices[count-1] + (blocklens[count-1] * smpi_datatype_size(old_type)), DT_FLAG_DATA);
+ s_smpi_mpi_hindexed_t* subtype = smpi_datatype_hindexed_create( blocklens,
+ indices,
+ count,
+ old_type,
+ smpi_datatype_size(old_type));
+
+ smpi_datatype_create(new_type, size *
+ smpi_datatype_size(old_type),1, subtype, DT_FLAG_DATA);
retval=MPI_SUCCESS;
}
return retval;
}
+
+/*
+struct Implementation - Indexed with indices in bytes
+*/
+
+/*
+ * Copies noncontiguous data into contiguous memory.
+ * @param contiguous_struct - output struct
+ * @param noncontiguous_struct - input struct
+ * @param type - pointer contening :
+ * - stride - stride of between noncontiguous data
+ * - block_length - the width or height of blocked matrix
+ * - count - the number of rows of matrix
+ */
+void serialize_struct( const void *noncontiguous_struct,
+ void *contiguous_struct,
+ size_t count,
+ void *type)
+{
+ s_smpi_mpi_struct_t* type_c = (s_smpi_mpi_struct_t*)type;
+ int i;
+ char* contiguous_struct_char = (char*)contiguous_struct;
+ char* noncontiguous_struct_char = (char*)noncontiguous_struct;
+
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(contiguous_struct_char,
+ noncontiguous_struct_char, type_c->block_lengths[i] * smpi_datatype_size(type_c->old_types[i]));
+ contiguous_struct_char += type_c->block_lengths[i]*smpi_datatype_size(type_c->old_types[i]);
+ noncontiguous_struct_char = (char*)noncontiguous_struct + type_c->block_indices[i+1];
+ }
+}
+/*
+ * Copies contiguous data into noncontiguous memory.
+ * @param noncontiguous_struct - output struct
+ * @param contiguous_struct - input struct
+ * @param type - pointer contening :
+ * - stride - stride of between noncontiguous data
+ * - block_length - the width or height of blocked matrix
+ * - count - the number of rows of matrix
+ */
+void unserialize_struct( const void *contiguous_struct,
+ void *noncontiguous_struct,
+ size_t count,
+ void *type)
+{
+ s_smpi_mpi_struct_t* type_c = (s_smpi_mpi_struct_t*)type;
+ int i;
+
+ char* contiguous_struct_char = (char*)contiguous_struct;
+ char* noncontiguous_struct_char = (char*)noncontiguous_struct;
+
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(noncontiguous_struct_char,
+ contiguous_struct_char, type_c->block_lengths[i] * smpi_datatype_size(type_c->old_types[i]));
+ contiguous_struct_char += type_c->block_lengths[i]*smpi_datatype_size(type_c->old_types[i]);
+ noncontiguous_struct_char = (char*)noncontiguous_struct + type_c->block_indices[i+1];
+ }
+}
+
+/*
+ * Create a Sub type struct to be able to serialize and unserialize it
+ * the structre s_smpi_mpi_struct_t is derived from s_smpi_subtype which
+ * required the functions unserialize and serialize
+ */
+s_smpi_mpi_struct_t* smpi_datatype_struct_create( int* block_lengths,
+ MPI_Aint* block_indices,
+ int block_count,
+ MPI_Datatype* old_types){
+ s_smpi_mpi_struct_t *new_t= xbt_new(s_smpi_mpi_struct_t,1);
+ new_t->base.serialize = &serialize_struct;
+ new_t->base.unserialize = &unserialize_struct;
+ //FIXME : copy those or assume they won't be freed ?
+ new_t->block_lengths = block_lengths;
+ new_t->block_indices = block_indices;
+ new_t->block_count = block_count;
+ new_t->old_types = old_types;
+ return new_t;
+}
+
+
int smpi_datatype_struct(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype* old_types, MPI_Datatype* new_type)
{
int i;
+ size_t size = 0;
for(i=0; i< count; i++){
if (blocklens[i]<=0)
return MPI_ERR_ARG;
if ((old_types[i]->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED)
return MPI_ERR_TYPE;
+ size += blocklens[i]*smpi_datatype_size(old_types[i]);
}
- smpi_datatype_create(new_type,indices[count-1] + (blocklens[count-1] * smpi_datatype_size(old_types[count-1])), DT_FLAG_DATA);
+
+
+ s_smpi_mpi_struct_t* subtype = smpi_datatype_struct_create( blocklens,
+ indices,
+ count,
+ old_types);
+
+ smpi_datatype_create(new_type, size ,1, subtype, DT_FLAG_DATA);
+
return MPI_SUCCESS;
}
-void smpi_datatype_commit(MPI_Datatype* datatype)
+void smpi_datatype_commit(MPI_Datatype *datatype)
{
- (*datatype)->flags= ( (*datatype)->flags | DT_FLAG_COMMITED);
+ (*datatype)->flags= ((*datatype)->flags | DT_FLAG_COMMITED);
}
typedef struct s_smpi_mpi_op {
//TODO : MINLOC & MAXLOC
#define APPLY_FUNC(a, b, length, type, func) \
- { \
- int i; \
- type* x = (type*)(a); \
- type* y = (type*)(b); \
- for(i = 0; i < *(length); i++) { \
- func(x[i], y[i]); \
- } \
- }
+{ \
+ int i; \
+ type* x = (type*)(a); \
+ type* y = (type*)(b); \
+ for(i = 0; i < *(length); i++) { \
+ func(x[i], y[i]); \
+ } \
+}
static void max_func(void *a, void *b, int *length,
MPI_Datatype * datatype)
#define CREATE_MPI_OP(name, func) \
static s_smpi_mpi_op_t mpi_##name = { &(func) /* func */ }; \
- MPI_Op name = &mpi_##name;
+MPI_Op name = &mpi_##name;
CREATE_MPI_OP(MPI_MAX, max_func);
CREATE_MPI_OP(MPI_MIN, min_func);
