Iterated local search and very large neighborhoods for the parallel‐machines total tardiness problem

Iterated local search and very large neighborhoods for the parallel‐machines total tardiness problem

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Article ID: iaor20119709
Volume: 39
Issue: 6
Start Page Number: 1213
End Page Number: 1217
Publication Date: Jun 2012
Journal: Computers and Operations Research
Authors: , ,
Keywords: heuristics, combinatorial optimization, heuristics: local search
Abstract:

We present computational results with a heuristic algorithm for the parallel machines total weighted tardiness problem. The algorithm combines generalized pairwise interchange neighborhoods, dynasearch optimization and a new machine‐based neighborhood whose size is non‐polynomial in the number of machines. The computational results significantly improve over the current state of the art for this problem.

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