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A Synchronized Sweep Algorithm for the k-Dimensional Cumulative Constraint
RISE., Swedish ICT, SICS, Computer Systems Laboratory.ORCID-id: 0000-0003-3079-8095
2013 (engelsk)Inngår i: CPAIOR, Springer , 2013, 9, Vol. LNCS 7874, s. 144-159Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper presents a sweep based algorithm for the k-dimensional Cumulative constraint, which can operate in filtering mode as well as in greedy assignment mode. Given n tasks and k resources, this algorithm has a worst-case time complexity of O(kn^2) but scales well in practice. In greedy assignment mode, it handles up to 1 million tasks with 64 resources in one single constraint in SICStus. In filtering mode, on our benchmarks, it yields a speed-up of about k^(3/4) when compared to its decomposition into k independent Cumulative constraints.

sted, utgiver, år, opplag, sider
Springer , 2013, 9. Vol. LNCS 7874, s. 144-159
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URN: urn:nbn:se:ri:diva-24332DOI: 10.1007/978-3-642-38171-3_10OAI: oai:DiVA.org:ri-24332DiVA, id: diva2:1043412
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SICStus PrologTilgjengelig fra: 2016-10-31 Laget: 2016-10-31 Sist oppdatert: 2018-08-24bibliografisk kontrollert

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