Parallel GRASP with path-relinking for job shop scheduling

  • Authors:
  • R. M. Aiex;S. Binato;M. G. C. Resende

  • Affiliations:
  • Catholic University of Rio de Janeiro, Rio de Janeiro, RJ 22451, Brazil;Electrical Energy Research Center (CEPEL), P.O. Box 68007, Rio de Yaneiro RJ 21944-970, Brazil;AT&T Labs Research, Internet and Network Systems Research Center, 180 Park Avenue, Room C241, Florham Park, NJ

  • Venue:
  • Parallel Computing - Special issue: Parallel computing in numerical optimization
  • Year:
  • 2003

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Abstract

In the job shop scheduling problem (JSP), a finite set of jobs is processed on a finite set of machines under certain constraints, such that the maximum completion time of the jobs is minimized. In this paper, we describe a parallel greedy randomized adaptive search procedure (GRASP) with path-relinking for the JSP. Independent and cooperative parallelization strategies are described and implemented. Computational experience on a large set of standard test problems indicates that the parallel GRASP with path-relinking finds good-quality approximate solutions of the JSP.