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The maximum gain of increasing the number of preemptions in multiprocessor scheduling
Responsible organisation
2009 (English)In: ACTA INFORMATICA, ISSN 0001-5903 , Vol. 46, no 4, 285-295 p.Article in journal (Refereed) Published
Abstract [en]

We consider the optimal makespan C(P, m, i) of an arbitrary set P of independent jobs scheduled with i preemptions on a multiprocessor with m identical processors. We compare the ratio for such makespans for i and j preemptions, respectively, where i < j. This ratio depends on P, but we are interested in the P that maximizes this ratio, i. e. we calculate a formula for the worst case ratio G(m, i, j) defined as G(m, i, j) = max C(P, m, i)/C(P, m, j), where the maximum is taken over all sets P of independent jobs.

Place, publisher, year, edition, pages
Springer , 2009. Vol. 46, no 4, 285-295 p.
National Category
Software Engineering
Identifiers
URN: urn:nbn:se:bth-7906DOI: 10.1007/s00236-009-0096-5ISI: 000267214400002Local ID: oai:bth.se:forskinfo746E4895019EE67EC12576AC003C33B0OAI: oai:DiVA.org:bth-7906DiVA: diva2:835579
Available from: 2012-09-18 Created: 2010-01-15 Last updated: 2015-06-30Bibliographically approved

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Lundberg, LarsLennerstad, Håkan
Software Engineering

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CiteExportLink to record
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