class Datatype : public F2C, public Keyval{
char* name_;
+ /* The id here is the (unique) datatype id used for this datastructure.
+ * It's default value is set to -1 since some code expects this return value
+ * when no other id has been assigned
+ */
+ int id = -1;
size_t size_;
MPI_Aint lb_;
MPI_Aint ub_;
static std::unordered_map<int, smpi_key_elem> keyvals_;
static int keyval_id_;
+ Datatype(int id, int size, MPI_Aint lb, MPI_Aint ub, int flags);
+ Datatype(char* name, int id, int size, MPI_Aint lb, MPI_Aint ub, int flags);
Datatype(int size, MPI_Aint lb, MPI_Aint ub, int flags);
Datatype(char* name, int size, MPI_Aint lb, MPI_Aint ub, int flags);
Datatype(Datatype* datatype, int* ret);
void commit();
bool is_valid();
bool is_basic();
+ static const char* encode(MPI_Datatype dt);
+ static MPI_Datatype decode(std::string datatype_id);
bool is_replayable();
void addflag(int flag);
int extent(MPI_Aint* lb, MPI_Aint* extent);