int smpi_datatype_copy(void *sendbuf, int sendcount, MPI_Datatype sendtype,
void *recvbuf, int recvcount, MPI_Datatype recvtype)
{
- int retval, count;
+ int count;
/* First check if we really have something to do */
- if (recvcount == 0) {
- retval = sendcount == 0 ? MPI_SUCCESS : MPI_ERR_TRUNCATE;
- } else {
+ if (recvcount > 0 && recvbuf != sendbuf) {
/* FIXME: treat packed cases */
sendcount *= smpi_datatype_size(sendtype);
recvcount *= smpi_datatype_size(recvtype);
}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);
+ void * buf_tmp = xbt_malloc(count);
subtype->serialize( sendbuf, buf_tmp,1, subtype);
subtype = recvtype->substruct;
- subtype->unserialize(recvbuf, buf_tmp,1, subtype);
+ subtype->unserialize( buf_tmp, recvbuf,1, subtype);
free(buf_tmp);
}
- retval = sendcount > recvcount ? MPI_ERR_TRUNCATE : MPI_SUCCESS;
}
- return retval;
+ return sendcount > recvcount ? MPI_ERR_TRUNCATE : MPI_SUCCESS;
}
/*
new_t->ub = ub;
new_t->flags = flags;
new_t->substruct = struct_type;
+ new_t->in_use=0;
*new_type = new_t;
}
void smpi_datatype_free(MPI_Datatype* type){
+
+ if((*type)->flags & DT_FLAG_PREDEFINED)return;
+
+ //if still used, mark for deletion
+ if((*type)->in_use!=0){
+ (*type)->flags |=DT_FLAG_DESTROYED;
+ return;
+ }
+
if ((*type)->has_subtype == 1){
((s_smpi_subtype_t *)(*type)->substruct)->subtype_free(type);
+ xbt_free((*type)->substruct);
}
xbt_free(*type);
+
+}
+
+void smpi_datatype_use(MPI_Datatype type){
+ if(type)type->in_use++;
+}
+
+
+void smpi_datatype_unuse(MPI_Datatype type){
+ if(type && type->in_use-- == 0 && (type->flags & DT_FLAG_DESTROYED))
+ smpi_datatype_free(&type);
}
int smpi_datatype_contiguous(int count, MPI_Datatype old_type, MPI_Datatype* new_type)
typedef struct s_smpi_mpi_op {
MPI_User_function *func;
+ int is_commute;
} s_smpi_mpi_op_t;
#define MAX_OP(a, b) (b) = (a) < (b) ? (b) : (a)
#define CREATE_MPI_OP(name, func) \
- static s_smpi_mpi_op_t mpi_##name = { &(func) /* func */ }; \
+ static s_smpi_mpi_op_t mpi_##name = { &(func) /* func */, TRUE }; \
MPI_Op name = &mpi_##name;
CREATE_MPI_OP(MPI_MAX, max_func);
MPI_Op smpi_op_new(MPI_User_function * function, int commute)
{
MPI_Op op;
-
- //FIXME: add commute param
op = xbt_new(s_smpi_mpi_op_t, 1);
op->func = function;
+ op-> is_commute = commute;
return op;
}
+int smpi_op_is_commute(MPI_Op op)
+{
+ return op-> is_commute;
+}
+
void smpi_op_destroy(MPI_Op op)
{
xbt_free(op);