Exploiting incomplete information to manage multiprocessor tasks with variable arrival rates

  • Authors:
  • Paolo Dell'Olmo;Antonio Iovanella;Guglielmo Lulli;Benedetto Scoppola

  • Affiliations:
  • Dipartimento di Statistica, Probabilití e Statistiche Applicate, Universití di Roma "La Sapienza", Piazzale Aldo Moro, 5 - 00185 Rome, Italy;Dipartimento di Ingegneria dell'Impresa, Universití di Roma "Tor Vergata", Via del Politecnico, 1 - 00133 Rome, Italy;Dipartimento di Informatica, Sistemistica e Comunicazione, Universití di Milano "Bicocca", Via Bicocca degli Arcimboldi, 8 - 20126 Milan, Italy;Dipartimento di Matematica, Universití di Roma "Tor Vergata", Via della Ricerca Scientifica - 00133 Rome, Italy

  • Venue:
  • Computers and Operations Research
  • Year:
  • 2008

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Abstract

In this paper a semi-online algorithm for scheduling multiprocessor tasks with partial information is proposed. We consider the case in which it is possible to exploit probabilistic information and use this information to obtain better solutions in comparison with standard non clairvoyant on-line algorithms. A wide computational analysis shows the effectiveness of our algorithm. Moreover, we also consider a test framework with a continuous generation of tasks in order to study the behavior of the proposed approach in real applications, which confirms the efficiency of our approach.