Handling precedence constraints in scheduling problems by the sequence pair representation

Andrzej Kozik ()
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Andrzej Kozik: Opole University

Journal of Combinatorial Optimization, 2017, vol. 33, issue 2, No 6, 445-472

Abstract: Abstract In this paper, we show that sequence pair (SP) representation, primarily applied to the rectangle packing problems appearing in the VLSI industry, can be a solution representation of precedence constrained scheduling. We present three interpretations of sequence pair, which differ in complexity of schedule evaluation and size of a corresponding solution space. For each interpretation we construct an incremental precedence constrained SP neighborhood evaluation algorithm, computing feasibility of each solution in the insert neighborhood in an amortized constant time per examined solution, and prove the connectivity property of the considered neighborhoods. To compare proposed interpretations of SP, we construct heuristic and metaheuristic algorithms for the multiprocessor job scheduling problem, and verify their efficiency in the numerical experiment.

Keywords: Scheduling; Precedence constraints; Sequence pair; Rectangle packing problem (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s10878-015-9973-8

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