An effective approach for large scale floorplanning

  • Authors:
  • Ameya R. Agnihotri;Satoshi Ono;Patrick H. Madden

  • Affiliations:
  • SUNY Binghamton, Binghamton, NY, USA;SUNY Binghamton, Binghamton, NY, USA;SUNY Binghamton, Binghamton, NY, USA

  • Venue:
  • Proceedings of the 20th symposium on Great lakes symposium on VLSI
  • Year:
  • 2010

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Abstract

Floorplacement" has attracted attention, as a placement formula- tion for designs with thousands or millions of soft macro blocks. In this paper, we investigate the "standard block" approach, where soft blocks are shaped to have uniform height, rather than a wide range of different sizes. This allows many macro blocks can be treated as standard cells, simplifying the problem to one of ordinary mixed size placement. We obtain high quality results for a suite of recent benchmarks, and also present novel legalization algorithms that are more robust than the widely-used mixed-size tetris approach.