Statistics.h

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// This file is part of the Peano project. For conditions of distribution and
// use, please see the copyright notice at www.peano-framework.org
#pragma once
 
 
#include "tarch/logging/Log.h"
 
 
#include "State.h"
 
 
namespace toolbox {
  namespace loadbalancing {
    class Statistics;
  }
}
 
 
 
class toolbox::loadbalancing::Statistics {
  public:
    Statistics();
 
    std::string toString() const;
 
    void updateGlobalView();
 
    int getGlobalNumberOfRanksWithEnabledLoadBalancing() const;
    int getGlobalNumberOfTrees() const;
 
    int getNumberOfStateUpdatesWithoutAnySplit() const;
 
    int getMaximumTreesPerRank() const;
 
    void incLocalNumberOfSplits( int delta=1 );
 
    int getLocalNumberOfSplits() const;
 
    void notifyOfStateChange( State state );
 
  private:
    static tarch::logging::Log _log;
 
    static constexpr int MaxNumberOfStateUpdatesWithoutAnySplit = 65536;
 
    bool _localLoadBalancingEnabled;
 
    int _localNumberOfSplits;
 
    int _globalNumberOfTrees;
 
    int _globalNumberOfRanksWithEnabledLoadBalancing;
 
    int _globalNumberOfSplits;
 
    int _numberOfStateUpdatesWithoutAnySplit;
 
    int _maximumTreesPerRank;
};