publication . Conference object . Article . 2014

the power of reordering for online minimum makespan scheduling

Englert, Matthias; Özmen, Deniz; Westermann, Matthias;
Open Access
  • Published: 27 May 2014
  • Publisher: IEEE
  • Country: United Kingdom
Abstract
In the classic minimum makespan scheduling problem, we are given an input sequence of jobs with processing times. A scheduling algorithm has to assign the jobs to m parallel machines. The objective is to minimize the makespan, which is the time it takes until all jobs are processed. In this paper, we consider online scheduling algorithms without preemption. However, we do not require that each arriving job has to be assigned immediately to one of the machines. A reordering buffer with limited storage capacity can be used to reorder the input sequence in a restricted fashion so as to schedule the jobs with a smaller makespan. This is a natural extension of lookah...
Subjects
free text keywords: Schedule, Algorithm design, Scheduling (computing), Competitive analysis, Minimisation (psychology), Online algorithm, Parallel computing, Computer science, Job shop scheduling, Upper and lower bounds, General Computer Science, General Mathematics, Johnson's rule, Preemption, QA76
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