Scheduling on two identical machines with a speed-up resource

被引：4

作者：

Xu, Haifeng ^{[2
]}

Chen, Lin ^{[1
]}

Ye, Deshi ^{[1
]}

Zhang, Guochuan ^{[1
]}

机构：

[1] Zhejiang Univ, Coll Comp Sci, Hangzhou 310027, Peoples R China

[2] Zhejiang Univ, Dept Math, Hangzhou 310027, Peoples R China

来源：

INFORMATION PROCESSING LETTERS | 2011年 / 111卷 / 17期

关键词：

Scheduling; FPTAS; Online algorithms; PARALLEL DEDICATED MACHINES;

D O I：

10.1016/j.ipl.2011.05.022

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

We address a variant of scheduling problem on two identical machines, where we are given an additional speed-up resource. If a job uses the resource, its processing time may decrease. However, at any time the resource can only be used by at most one job. The objective is to minimize the makespan. For the offline version, we present an FPTAS. For the online version where jobs arrive over list, we propose an online algorithm with competitive ratio of 1.781, and show a lower bound of 1.686 for any online algorithm. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：831 / 835

页数：5

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