On pioneering nanometer-era routing problems

  • Authors:
  • Tong Gao;Prashant Saxena

  • Affiliations:
  • Synopsys, Inc., Sunnyvale, CA, USA;Synopsys, Inc., Hillsboro, OR, USA

  • Venue:
  • Proceedings of the 2012 ACM international symposium on International Symposium on Physical Design
  • Year:
  • 2012

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Abstract

In this paper, we present a tribute to Professor C. L. (David) Liu for his numerous contributions in the field of the physical design of VLSI circuits by highlighting some of his work in the area of routing in general, and performance-driven routing in particular. We point out how he pioneered several important problem formulations along with elegant algorithmic solutions for them, often 5-10 years ahead of the time when they would become important in the semiconductor industry. More specifically, we present a brief discussion of his work on the problems of interconnect crosstalk optimization and performance-driven layer assignment, showing how it influenced subsequent academic research as well as the evolution of industrial layout tools, as an illustration of his visionary and transformative approach to physical design.