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Parallel Machine Scheduling Considering the Moving Time of Multiple Servers

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2017, 22(10), pp.101-107
  • DOI : 10.9708/jksci.2017.22.10.101
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : August 1, 2017
  • Accepted : October 11, 2017
  • Published : October 31, 2017

Kyun Rak Chong 1

1홍익대학교

Accredited

ABSTRACT

In this paper, we study the problem of parallel machine scheduling considering the moving time of multiple servers. The parallel machine scheduling is to assign jobs to parallel machines so that the total completion time(makespan) is minimized. Each job has a setup phase, a processing phase and a removal phase. A processing phase is performed by a parallel machine alone while a setup phase and a removal phase are performed by both a server and a parallel machine simultaneously. A server is needed to move to a parallel machine for a setup phase and a removal phase. But previous researches have been done under the assumption that the server moving time is zero. In this study we have proposed an efficient algorithm for the problem of parallel machine scheduling considering multiple server moving time. We also have investigated experimentally how the number of servers and the server moving time affect the total completion time.

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