A parallel row-based algorithm for standard cell placement with integrated error control

  • Authors:
  • J. S. Sargent;P. Banerjee

  • Affiliations:
  • Computer Systems Group, Coordinated Science Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL;Computer Systems Group, Coordinated Science Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL

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

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Abstract

A new row-based parallel algorithm for standard-cell placement targeted for execution on a hypercube multiprocessor is presented. Key features of this implementation include a dynamic simulated-annealing schedule, row-partitioning of the VLSI chip image, and two novel approaches to control error in parallel cell-placement algorithms: (1) Heuristic Cell-Coloring; (2) Adaptive Sequence Length Control.