A longest processing time algorithm for scheduling identical parallel machines

A longest processing time algorithm for scheduling identical parallel machines

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Article ID: iaor2005900
Country: Hungary
Volume: 21
Issue: 2
Start Page Number: 269
End Page Number: 290
Publication Date: Jan 2004
Journal: Alkalmazott Matematikai Lapok
Authors: ,
Abstract:

This paper is devoted to some heuristics for the problem PCmax. This problem is known to be NP-complete. Graham's list scheduling method is generalized in the following way: First a nonincreasing processing time order of the tasks is determined. Then the next two steps are iterated: 1: Find the best possible allocation of the next k tasks. 2: Assign only the next task accordingly to this schedule. We prove that this algorithm improves the theoretical efficiency of Graham's algorithm, and we also give some numerical results.

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