Combinatorial optimization for job sequencing with one common and multiple secondary resources by using a SAT solver augmented with a domain-specific heuristic

Bachelor thesis (2023)

Authors

A. Pugatšov Electrical Engineering, Mathematics and Computer Science

Contributors

E. Demirović Algorithmics - EEMCS (mentor)
K. Sidorov Algorithmics - EEMCS (mentor)
M.L. Flippo Algorithmics - EEMCS (mentor)
Jérémie Decouchant Data-Intensive Systems - EEMCS (graduation committee member)
Faculty
Electrical Engineering, Mathematics and Computer Science, Electrical Engineering, Mathematics and Computer Science
Copyright: © 2023 Artjom Pugatšov
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Published Date

04-07-2023

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Abstract

This paper solves job sequencing with one common and multiple secondary resources (JSOCMSR) problem by encoding it as a Boolean satisfiability (SAT) problem and applying domain-specific heuristics to improve the SAT solver’s performance. JSOCMSR problem is an NP-hard scheduling problem where each job utilizes two resources: a shared resource and a secondary job-dependent resource. First, the problem was modeled as an instance of SAT and then the SAT solver was augmented with a static greedy variable-ordering heuristic. This heuristic has led to significant improvement in the solver’s speed compared to a generic SAT heuristic for problem instances of larger size.

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