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ck-ldb/GreedyAgentLB.h

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#ifndef _GREEDYAGENTLB_H_
#define _GREEDYAGENTLB_H_

#include "CentralLB.h"
#include "GreedyAgentLB.decl.h"
#include "LBAgent.h"

void CreateGreedyAgentLB();

class GreedyAgentLB : public CBase_GreedyAgentLB {

public:
  struct HeapData {
    double load;
    int    pe;
    int    id;
  };

  GreedyAgentLB(const CkLBOptions &);
  GreedyAgentLB(CkMigrateMessage *m):CBase_GreedyAgentLB(m) { lbname = "GreedyAgentLB"; }
  void work(LDStats* stats);
private:
    TopologyAgent               *topologyAgent;
    enum           HeapCmp {GT = '>', LT = '<'};
  void           Heapify(HeapData*, int, int, HeapCmp);
    void           HeapSort(HeapData*, int, HeapCmp);
    void           BuildHeap(HeapData*, int, HeapCmp);
    bool        Compare(double, double, HeapCmp);
    HeapData*      BuildCpuArray(CentralLB::LDStats*, int, int *);  
    HeapData*      BuildObjectArray(CentralLB::LDStats*, int, int *);      
    bool        QueryBalanceNow(int step);
};

#endif /* _GREEDYAGENTLB_H_ */

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