• 中国计算机学会会刊
  • 中国科技核心期刊
  • 中文核心期刊

J4 ›› 2008, Vol. 30 ›› Issue (9): 86-89.

• 论文 • 上一篇    下一篇

一种负载均衡的网格任务调度算法

王鑫   

  • 出版日期:2008-09-01 发布日期:2010-05-18

  • Online:2008-09-01 Published:2010-05-18

摘要:

在分析网格计算中经典的Min-Min和Max-Min任务调度算法的基础上,针对Min-Min算法存在的负栽不均衡的缺陷,本文提出了一种负载均衡的网格任务调度算法LBGTSA,以有效地均衡负载;给出了LBGTSA算法的设计原理和实现过程,而且采用GridSim模拟工具对LBGTSA和Min-Min算法进行了模拟实验,实验结果分析表明,LB(汀SA比Min-Min能获得更小的Makespan,而且能有效地均衡负载。

关键词: 任务调度 Min-Min 负载均衡 Makespan

Abstract:

The paper analyses the most classical Min-Min and Max-Min algorithms based on the scheduling algorithms in grid computing, and presents a load balancing grid task scheduling algorithm (LBGTSA) against the fault of imbalance in Min-Min, which can balance the load effectively. Then the paper describess the design theory and implementation process of LBGTSA. Finally LBGTSA and Min-Min algorithms are simulated with the aid of the GridSim simulation toolkit. The simulation experiment indicates that LBGTSA has a less Makespan and balances the load more effectively than Min-Min.

Key words: task scheduling, Min-Min, load balancing, Makespan