1. 重庆邮电大学 机构 软件工程学院,重庆,400065
2. 重庆邮电大学 图书馆,重庆,400065
3. 重庆邮电大学 计算机学院,重庆,400065
纸质出版:2016
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葛君伟, 孙方方, 方义秋. 基于遗传加差分算法的云计算任务调度[J]. 微电子学与计算机, 2016, 33(11): 5-9.
GE Jun-wei, SUN Fang-fang, FANG Yi-qiu. Scheduling Based on Improved Genetic Algorithm and Difference Algorithm in Cloud Computing[J]. 2016, 33(11): 5-9.
随着云计算的不断发展
任务调度问题成了研究的难点.如何快速处理用户的任务请求
使得云计算中资源达到负载均衡
使任务的完成时间及成本达到相对最优
通过对比分析了已有任务调度算法存在的问题提出遗传加差分算法的云计算任务调度策略
采用种群更新的方式提高算法的鲁棒性、二级变异策略提高种群多样性
加快算法的收敛
加入差分算子提高算法的局部寻优能力.通过cloudsim仿真实验并对比遗传算法、差分算法、min-min算法证明了本算法的在负载均衡度
时间和成本上有效性.
With the continuous development of cloud computing
task scheduling problem become a crucial aspect. How to deal with tasks quickly
not only meet the needs of users
but also to achieve load balancing and make the completion time
cost to achieve relatively optimal.By comparing and analyzing the existing task scheduling algorithms.we proposed the genetic and difference algorithm policy to solve the problem. we employs population updating scheme to improve the robustness of the algorithm.Using secondary mutation strategy to improve population diversity
accelerate the convergence speed. Adding difference operator to improve the algorithms local search ability.The performance is analyzed using Cloudsim simulator and compared with existing GA
Min-min algorithm. Simulation results demonstrate that the proposed algorithm has better performance in load balancing
finish time and costs.
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