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Discriminating instance generation from abstract specifications : a case study with CP and MIP

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Date
2020
Author
Akgün, Özgür
Dang, Nguyen
Miguel, Ian
Salamon, András Z.
Spracklen, Patrick
Stone, Christopher
Keywords
Constraint Programming
Instance generation
MIP
QA75 Electronic computers. Computer science
Computer Science(all)
Theoretical Computer Science
DAS
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Abstract
We extend automatic instance generation methods to allow cross-paradigm comparisons. We demonstrate that it is possible to completely automate the search for benchmark instances that help to discriminate between solvers. Our system starts from a high level human-provided problem specification, which is translated into a specification for valid instances. We use the automated algorithm configuration tool irace to search for instances, which are translated into inputs for both MIP and CP solvers by means of the Conjure, Savile Row, and MiniZinc tools. These instances are then solved by CPLEX and Chuffed, respectively. We constrain our search for instances by requiring them to exhibit a significant advantage for MIP over CP, or vice versa. Experimental results on four optimisation problem classes demonstrate the effectiveness of our method in identifying instances that highlight differences in performance of the two solvers.
Citation
Akgün , Ö , Dang , N , Miguel , I , Salamon , A Z , Spracklen , P & Stone , C 2020 , Discriminating instance generation from abstract specifications : a case study with CP and MIP . in E Hebrard & N Musliu (eds) , Integration of Constraint Programming, Artificial Intelligence, and Operations Research : 17th International Conference, CPAIOR 2020, Vienna, Austria, September 21–24, 2020, Proceedings . Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) , vol. 12296 LNCS , Springer , Cham , pp. 41-51 , 17th International Conference on the Integration of Constraint Programming, Artificial Intelligence, and Operations Research, CPAIOR 2020 , Vienna, Online , Austria , 21/09/20 . https://doi.org/10.1007/978-3-030-58942-4_3
 
conference
 
Publication
Integration of Constraint Programming, Artificial Intelligence, and Operations Research
DOI
https://doi.org/10.1007/978-3-030-58942-4_3
ISSN
0302-9743
Type
Conference item
Rights
Copyright © 2020 Springer Nature Switzerland AG. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1007/978-3-030-58942-4_3.
Description
This work is supported by EPSRC grant EP/P015638/1 and used the Cirrus UK National Tier-2 HPC Service at EPCC funded by the University of Edinburgh and EPSRC (EP/P020267/1).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/20866

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