ON-LINE PREEMPTIVE SCHEDULING ON UNIFORM MACHINES

被引：1

作者：

ZHANG Yuzhong (Institute of Operations Research

机构：

来源：

Journal of Systems Science & Complexity | 2001年 / 04期

基金：

中国国家自然科学基金;

关键词：

On-line scheduling; uniformly related machines; preemption; competitive ratio;

D O I：

暂无

中图分类号：

O223 [统筹方法];

学科分类号：

070105 ; 1201 ;

摘要：

We address the problem of preemptively schedule on-line jobs on arbitrary m uniformly related machines with the objective of minimizing the schedule length. We provide the first on-line algorithm for this general problem, and show that the algorithm has a competitive ratio of 1 ± σ, where a (m - 1)s1/(si +…+ sm), S1 S2 Sm being the speeds of the m machines.

引用

页码：373 / 377

页数：5

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