if (ClusterBackend.debugPrint)
if (ClusterBackend.debugging)
    Greedy(DiscoverSchedule sched) {        if (ClusterBackend.debugPrint)            System.out.println("============== Greedy ===============");        this.sched = sched;        phase_last_seen = new HashMap<Vector<Integer>, Integer>();        phases = new Vector<Vector<Integer>>();        phase_num = 0;            combine_ptr = 0;        init();        if (ClusterBackend.debugPrint)            System.out.println("============== Greedy ===============");    }