class CollCommParser : public ActionArgParser {
public:
double size;
- double comm_size;
double comp_size;
int send_size;
int recv_size;
+ unsigned comm_size; // size of communicator
int root = 0;
MPI_Datatype datatype1 = MPI_DEFAULT_TYPE;
MPI_Datatype datatype2 = MPI_DEFAULT_TYPE;