English, Article edition: PREEMPTIVE SCHEDULING ON PARALLEL PROCESSORS WITH DUE DATES YAKOV ZINDER; GAURAV SINGH

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Bookmark: http://trove.nla.gov.au/version/131449
Physical Description
  • article
Language
  • English

Edition details

Title
  • PREEMPTIVE SCHEDULING ON PARALLEL PROCESSORS WITH DUE DATES
Author
  • YAKOV ZINDER
  • GAURAV SINGH
Physical Description
  • article
Notes
  • The paper presents a priority algorithm for the maximum lateness problem with parallel identical processors, precedence constraints, and preemptions. The presented algorithm calculates the priority of each task by constructing a schedule for the set of its successors. The algorithm is motivated by comparison of its nonpreemptive counterpart with other algorithms for the problem with unit execution time tasks. It is shown that the presented algorithm constructs an optimal schedule for the problem with two processors and arbitrary precedence constraints, and for the problem with an arbitrary number of processors and precedence constraints in the form of an in-tree. This proof also indicates that the presented algorithm allows the worst-case performance ratio previously established for the so-called MuntzâCoffman algorithm for a particular case of the considered problem where all due dates are zero.
  • Parallel identical processors, precedence constraints, maximum lateness, preemptions
  • RePEc:wsi:apjorx:v:22:y:2005:i:04:p:445-462
Language
  • English
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