dueling.hh

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#ifndef __BASE_DUELING_HH__
#define __BASE_DUELING_HH__
 
#include <cstddef>
#include <cstdint>
 
#include "base/sat_counter.hh"
 
namespace gem5
{
 
class Dueler
{
  private:
    uint64_t _isSample;
 
    uint64_t _team;
 
  public:
    Dueler();
    virtual ~Dueler() = default;
 
    void setSample(uint64_t id, bool team);
 
    bool isSample(uint64_t id, bool& team) const;
};
 
class DuelingMonitor
{
  private:
    // There are always exactly two duelers. If this is changed the logic
    // must be revisited
    const int NUM_DUELERS = 2;
 
    const uint64_t id;
 
    const std::size_t constituencySize;
 
    const std::size_t teamSize;
 
    const double lowThreshold;
 
    const double highThreshold;
 
    SatCounter32 selector;
 
    int regionCounter;
 
    bool winner;
 
  public:
    static unsigned numInstances;
 
    DuelingMonitor(std::size_t constituency_size, std::size_t team_size = 1,
        unsigned num_bits = 10, double low_threshold = 0.5,
        double high_threshold = 0.5);
    ~DuelingMonitor() = default;
 
    void sample(const Dueler* dueler);
 
    bool isSample(const Dueler* dueler, bool& team) const;
 
    bool getWinner() const;
 
    void initEntry(Dueler* dueler);
};
 
} // namespace gem5
 
#endif // __BASE_DUELING_HH__