Min-cost partitioning on a tree structure and applications

  • Authors:
  • G. Vijayan

  • Affiliations:
  • IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York

  • Venue:
  • DAC '89 Proceedings of the 26th ACM/IEEE Design Automation Conference
  • Year:
  • 1989

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Abstract

We introduce a generalization of the min-cut partitioning problem, called Min-Cost Tree Partitioning, in which the nodes of an hypergraph G are to be mapped on to the vertices of a tree structure T, and the cost function to be minimized is the cost of routing the hyperedges (i.e., the nets) of G on the edges of T. We discuss several interesting VLSI design applications for this problem. We describe an iterative improvement heuristic for solving this problem.