int is_blocked_; // are ranks allocated on the same smp node contiguous ?
int is_smp_comm_; // set to 0 in case this is already an intra-comm or a leader-comm to avoid recursivity
std::list<MPI_Win> rma_wins_; // attached windows for synchronization.
int is_blocked_; // are ranks allocated on the same smp node contiguous ?
int is_smp_comm_; // set to 0 in case this is already an intra-comm or a leader-comm to avoid recursivity
std::list<MPI_Win> rma_wins_; // attached windows for synchronization.