Efficient Implementation Selection via Time Budgeting Complexity Analysis and Leakage Optimization Case Study

  • Authors:
  • Soheil Ghiasi

  • Affiliations:
  • Department of Electrical and Computer Engineering University of California, Davis

  • Venue:
  • ICCD '05 Proceedings of the 2005 International Conference on Computer Design
  • Year:
  • 2005

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Abstract

We present time budgeting as an efficient technique for implementation selection. We discuss discreteness in library and present an optimal algorithm for a special case of the problem. The algorithm is extended to construct a heuristic for the general case, and is experimented on the gate-level threshold voltage assignment problem in dual Vt technology. Experimental results show that our approach reduces the leakage current by close to an order of magnitude, with no or negligible delay penalty. Compared to existing algorithms, our technique outperforms a recent LP-based competitor by 33%.