Purpose-Majority of the research work either concentrated on the optimization of scheduling length and execution cost or energy optimization mechanism.This research aims to propose the optimization of makespan,energy ...Purpose-Majority of the research work either concentrated on the optimization of scheduling length and execution cost or energy optimization mechanism.This research aims to propose the optimization of makespan,energy consumption and data transfer time(DTT)by considering the priority tasks.The research work is concentrated on the multi-objective approach based on the genetic algorithm(GA)and energy aware model to increase the efficiency of the task scheduling.Design/methodology/approach-Cloud computing is the recent advancement of the distributed and cluster computing.Cloud computing offers different services to the clients based on their requirements,and it works on the environment of virtualization.Cloud environment contains the number of data centers which are distributed geographically.Major challenges faced by the cloud environment are energy consumption of the data centers.Proper scheduling mechanism is needed to allocate the tasks to the virtual machines which help in reducing the makespan.This paper concentrated on the minimizing the consumption of energy as well as makespan value by introducing the hybrid algorithm called as multi-objective energy aware genetic algorithm.This algorithm employs the scheduling mechanism by considering the energy consumption of the CPU in the virtual machines.The energy model is developed for picking the task based on the fitness function.The simulation results show the performance of the multi-objective model with respect to makespan,DTT and energy consumption.Findings-The energy aware model computes the energy based on the voltage and frequency distribution to the CPUs in the virtual machine.The directed acyclic graph is used to represent the task dependencies.The proposed model recorded 5% less makespan compared against the MODPSO and 0.7% less compared against the HEFT algorithms.The proposed model recorded 125 joules energy consumption for 50 VMs when all are in active state.Originality/value-This paper proposed the multi-objective model based on bio-inspired approach called as genetic algorithm.The GA is combined with the energy aware model for optimizing the consumption of the energy in cloud computing.The GA used priority model for selecting the initial population and used the roulette wheel selection method for parent selection.The energy model is used as fitness function to theGAfor selecting the tasks to perform the scheduling.展开更多
文摘Purpose-Majority of the research work either concentrated on the optimization of scheduling length and execution cost or energy optimization mechanism.This research aims to propose the optimization of makespan,energy consumption and data transfer time(DTT)by considering the priority tasks.The research work is concentrated on the multi-objective approach based on the genetic algorithm(GA)and energy aware model to increase the efficiency of the task scheduling.Design/methodology/approach-Cloud computing is the recent advancement of the distributed and cluster computing.Cloud computing offers different services to the clients based on their requirements,and it works on the environment of virtualization.Cloud environment contains the number of data centers which are distributed geographically.Major challenges faced by the cloud environment are energy consumption of the data centers.Proper scheduling mechanism is needed to allocate the tasks to the virtual machines which help in reducing the makespan.This paper concentrated on the minimizing the consumption of energy as well as makespan value by introducing the hybrid algorithm called as multi-objective energy aware genetic algorithm.This algorithm employs the scheduling mechanism by considering the energy consumption of the CPU in the virtual machines.The energy model is developed for picking the task based on the fitness function.The simulation results show the performance of the multi-objective model with respect to makespan,DTT and energy consumption.Findings-The energy aware model computes the energy based on the voltage and frequency distribution to the CPUs in the virtual machine.The directed acyclic graph is used to represent the task dependencies.The proposed model recorded 5% less makespan compared against the MODPSO and 0.7% less compared against the HEFT algorithms.The proposed model recorded 125 joules energy consumption for 50 VMs when all are in active state.Originality/value-This paper proposed the multi-objective model based on bio-inspired approach called as genetic algorithm.The GA is combined with the energy aware model for optimizing the consumption of the energy in cloud computing.The GA used priority model for selecting the initial population and used the roulette wheel selection method for parent selection.The energy model is used as fitness function to theGAfor selecting the tasks to perform the scheduling.
