Fast Hierarchical Floorplanning with Congestion and Timing Control

  • Authors:
  • Affiliations:
  • Venue:
  • ICCD '00 Proceedings of the 2000 IEEE International Conference on Computer Design: VLSI in Computers & Processors
  • Year:
  • 2000

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Abstract

We propose fresher looks into already existing hierarchical partitioning based floor-plan design methods and their relevance in providing faster alternatives to conventional approaches. We modify the existing partitioning based floor-planner to handle congestion and timing. We also explore the applicability of traditional Sizing Theorem for combining two modules based on their sizes and inter connecting wirelength. The results show that our floorplanning approach can produce floor-plans hundred times faster and at the same time achieving better quality (on average 20% better wirelength, better congestion and better timing optimization) than that of pure Simulated Annealing based floor-planner.