* 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;
- 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 */ \
+ 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;
}
+
+
MPI_Aint smpi_datatype_lb(MPI_Datatype datatype)
{
return datatype->lb;
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;
+}
+
+/*
+ * 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;
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(contiguous_vector,
+ noncontiguous_vector, type_c->block_length * type_c->size_oldtype);
+ contiguous_vector += type_c->block_length*type_c->size_oldtype;
+ noncontiguous_vector += 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;
+ for (i = 0; i < type_c->block_count * count; i++) {
+ memcpy(noncontiguous_vector,
+ contiguous_vector, type_c->block_length * type_c->size_oldtype);
+ contiguous_vector += type_c->block_length*type_c->size_oldtype;
+ noncontiguous_vector += 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->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;
+}
+
+void smpi_datatype_free(MPI_Datatype* type){
+ xbt_free(*type);
+}
+
+int smpi_datatype_contiguous(int count, MPI_Datatype old_type, MPI_Datatype* new_type)
+{
+ int retval;
+ if ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
+ retval = MPI_ERR_TYPE;
+ } else {
+ 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 ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
+ retval = MPI_ERR_TYPE;
+ } else {
+ 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;
+}
+
+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 ((old_type->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
+ retval = MPI_ERR_TYPE;
+ } else {
+ /*FIXME: as for the vector the data should be serialized and
+ * unserialized moreover a structure derived from s_smpi_subtype should
+ * be created*/
+ smpi_datatype_create(new_type, count * ((blocklen *
+ smpi_datatype_size(old_type))+stride),
+ 0,
+ NULL,
+ DT_FLAG_VECTOR);
+ retval=MPI_SUCCESS;
+ }
+ return retval;
+}
+
+
+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;
+ } else {
+ /*FIXME: as for the vector the data should be serialized and
+ * unserialized moreover a structure derived from s_smpi_subtype should
+ * be created*/
+ smpi_datatype_create(new_type, (size) *
+ smpi_datatype_size(old_type),0, NULL, DT_FLAG_DATA);
+ retval=MPI_SUCCESS;
+ }
return retval;
}
+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;
+ } else {
+ /*FIXME: as for the vector the data should be serialized and
+ * unserialized moreover a structure derived from s_smpi_subtype should
+ * be created*/
+ smpi_datatype_create(new_type,(size * smpi_datatype_size(old_type)), 0,NULL, DT_FLAG_DATA);
+ retval=MPI_SUCCESS;
+ }
+ return retval;
+}
+
+int smpi_datatype_struct(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype* old_types, MPI_Datatype* new_type)
+{
+ int i;
+ size_t size; //Khalid added this
+
+ 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]);
+ }
+ /*FIXME: as for the vector the data should be serialized and
+ * unserialized moreover a structure derived from s_smpi_subtype should
+ * be created*/
+ smpi_datatype_create(new_type, size,
+ 0, NULL,
+ DT_FLAG_DATA);
+ return MPI_SUCCESS;
+}
+
+void smpi_datatype_commit(MPI_Datatype *datatype)
+{
+ (*datatype)->flags= ((*datatype)->flags | DT_FLAG_COMMITED);
+}
+
typedef struct s_smpi_mpi_op {
MPI_User_function *func;
} s_smpi_mpi_op_t;
//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);