// mca_coll_tuned_module_t *tuned_module = (mca_coll_tuned_module_t*) module;
// mca_coll_tuned_comm_t *data = tuned_module->tuned_data;
- size = smpi_comm_size(comm);
- rank = smpi_comm_rank(comm);
+ size = comm->size();
+ rank = comm->rank();
//compute again segsize