Configuration.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 "State.h"
#include "peano4/grid/grid.h"
 
 
namespace toolbox {
  namespace loadbalancing {
    class Configuration;
    class DefaultConfiguration;
  }
}
 
 
class toolbox::loadbalancing::Configuration {
  public:
    virtual ~Configuration() = default;
 
    virtual bool   makeSplitDependOnMemory(State state) = 0;
 
    virtual int    getMaxLocalTreesPerRank(State state) = 0;
 
    virtual double getWorstCaseBalancingRatio(State state) = 0;
 
    virtual peano4::SplitInstruction::Mode getMode(State state) = 0;
 
    virtual int getMinTreeSize(State state) = 0;
 
    virtual std::string toString() const;
};
 
 
class toolbox::loadbalancing::DefaultConfiguration: public toolbox::loadbalancing::Configuration {
  private:
    const int _maxTreesPerRank;
  public:
    DefaultConfiguration(int maxTreesPerRank=0);
 
    virtual bool makeSplitDependOnMemory(State state) override;
 
    virtual int getMaxLocalTreesPerRank(State state) override;
 
    virtual double getWorstCaseBalancingRatio(State state) override;
 
    virtual int getMinTreeSize(State state) override;
 
    virtual peano4::SplitInstruction::Mode getMode(State state) override;
};