Bounds on minimax edge length for complete binary trees

  • Authors:
  • M. S. Paterson;W. L. Ruzzo;L. Snyder

  • Affiliations:
  • -;-;-

  • Venue:
  • STOC '81 Proceedings of the thirteenth annual ACM symposium on Theory of computing
  • Year:
  • 1981

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Abstract

Information is not transferred instantaneously; there is always a propagation delay before an output is available as an input to the next computational step. Propagation delay is a function of wire length, so we study the length of edges in planar graphs. We prove matching (to within a constant factor) upper and lower bounds on minimax edge length for four planar embedding problems for complete binary trees. (The results are summarized in Table 1.) Because trees are often subcircuits of larger circuits, these results imply general performance limits due to propagation delay. The results give important information for the popular technique of pipelining.