Optimal Joining of Compacted Cells

  • Authors:
  • A. Lim;S. -W. Cheng;S. Sahni

  • Affiliations:
  • -;-;-

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 1993

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Abstract

Three algorithms to join two compacted cells by using a combination of stretching and river routing are developed. Each of these obtains the minimum area joining. One algorithm obtains a minimum area joining that also minimizes the length of the longest wire. Another obtains a minimum area joining that has the least possible total wire length. The simplest of the algorithms guarantees only a minimum are joining. All algorithms have a low-order polynomial complexity. Experimental results indicate that the algorithms obtain joinings that are significantly superior to those obtained using the heuristic of G. Cheng and A. Despain (1989).