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面向光子网格任务调度的迭代列表算法
Authors
刘暾东
张春宇
陈俊仁
陈耿
Publication date
1 February 2014
Publisher
光子学报
Abstract
光子网格中任务和通信的联合调度是一个非确定性多项式难题.为了进一步优化调度长度,本文在扩展列表算法的基础上,提出一种迭代列表调度算法.该算法通过扩展列表算法产生一个初始调度序列,并通过迭代的方式不断估计调度过程中子任务之间的通信时间;然后重新计算子任务的权重,调整子任务的调度序列,达到改善调度长度的目的.仿真实验表明,迭代调度算法对于大部分的实例能够有效地减少任务的调度长度,并且更加适用于数据密集型的任务调度.国家自然科学基金青年项目(No.11201391)资
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Last time updated on 16/06/2016