herosscheduler.h

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/*
 * herosscheduler.h
 *
 * Energy
 *
 *  Please cite
 *              HEROS: Energy-Efficient Load Balancing for Heterogeneous Data Centers
 *              Mateusz Guzek, Dzmitry Kliazovich, Pascal Bouvry
 *              IEEE CLOUD 2015
 *              Available upon request at: http://hdl.handle.net/10993/21417
 *              (exact bibliography reference TBA)
 *
 *  Created on: Jan 23, 2014
 *      Author: Guzek:Mateusz
 */

#ifndef HEROSSCHEDULER_H_
#define HEROSSCHEDULER_H_

#include "bestscorescheduler.h"



class HerosScheduler: public BestScoreScheduler {
public:
                HerosScheduler();
                virtual ~HerosScheduler();
                virtual TskComAgent* scheduleTask(CloudTask* task, std::vector<ResourceProvider* > providers);
private:
                virtual double calculateScore(ResourceProvider* rp);
                double static densLoadFactor(double load,double epsilon);
                double static linkLoadFactor(double load);
                double static performancePerWatt(ResourceProvider* rp);
public:
                double static performancePerWattMax(ResourceProvider* rp);
private:
                double static herosTransformation(ResourceProvider* rp,double alpha, double beta, double gamma);
                double epsilon;

};

bool herosComparator (const ProviderScore &first,const ProviderScore &second);

#endif /* HEROSSCHEDULER_H_ */