A Parallel Solution to the Cutting Stock Problem for a Cluster of Workstations

  • Authors:
  • L. D. Nicklas;R. W. Atkins;S. K. Setia;P. Y. Wang

  • Affiliations:
  • -;-;-;-

  • Venue:
  • HPDC '96 Proceedings of the 5th IEEE International Symposium on High Performance Distributed Computing
  • Year:
  • 1996

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Abstract

Abstract stations is a significant contribution towards the OR practice. This paper describes the design and implementation of a solution to the constrained 2-D cutting stock problem on a cluster of workstations. The constrained 2-D cutting stock problem is an irregular problem with a dynamically modified global data set and irregular amounts and patterns of communication. A replicated data structure is used for the parallel solution since the ratio oft-ends to writes is known to be large. Mutual exclusion and consistency are maintained using a token-bused lazy consistency mechanism, and a randomized protocol for dynamically balancing the distributed work queue is employed. Speedups are reported for three benchmark problems executed on a cluster of workstations interconnected by a IO Mbps Ethernet.