Chromatic scheduling of 1- and 2-processor UET tasks on dedicated machines with availability constraints

  • Authors:
  • Krzysztof Giaro;Marek Kubale

  • Affiliations:
  • Department of Algorithms and System Modeling, Gdańsk University of Technology, Poland;Department of Algorithms and System Modeling, Gdańsk University of Technology, Poland

  • Venue:
  • PPAM'05 Proceedings of the 6th international conference on Parallel Processing and Applied Mathematics
  • Year:
  • 2005

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Abstract

We address a generalization of the classical 1- and 2-processor UET scheduling problem on dedicated machines. In our chromatic model of scheduling machines have non-simultaneous availability times and tasks have arbitrary release times and due dates. Also, the versatility of our approach makes it possible to generalize all known classical criteria of optimality. Under these constraints we show that the problem of optimal scheduling of sparse instances can be solved in polynomial time.