List scheduling for jobs with arbitrary release times and similar lengths

List scheduling for jobs with arbitrary release times and similar lengths

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Article ID: iaor20083760
Country: United Kingdom
Volume: 10
Issue: 6
Start Page Number: 365
End Page Number: 373
Publication Date: Dec 2007
Journal: Journal of Scheduling
Authors: ,
Abstract:

This paper considers the problem of on-line scheduling a list of independent jobs in which each job has an arbitrary release time and length in [1, r] with r ≥ 1 on m parallel identical machines. For the list scheduling algorithm, we give an upper bound of the competitive ratio for any m ≥ 1 and show that the upper bound is tight when m = 1. When m = 2, we present a tight bound for r ≥ 4. For r < 4, we give a lower bound and show that 2 provides an upper bound.

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