Slack analysis in the system design loop

  • Authors:
  • Girish Venkataramani;Seth C. Goldstein

  • Affiliations:
  • Carnegie Mellon University, Pittsburgh, PA, USA;Carnegie Mellon University, Pittsburgh, PA, USA

  • Venue:
  • CODES+ISSS '08 Proceedings of the 6th IEEE/ACM/IFIP international conference on Hardware/Software codesign and system synthesis
  • Year:
  • 2008

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Abstract

We present a system-level technique to analyze the impact of design optimizations on system-level timing dependencies. This technique enables us to speed up the design cycle by substituting, in the design the loop, the time-consuming simulation step with a fast timing update routine. As a result, we can significantly reduce the design time from on the order of hours/days to the order of seconds/minutes. The update algorithm is defined on the Transaction Level Model (TLM) and can be used by any design flow that invokes TLM-based optimizations. This algorithm has linear-time complexity in the program size and experimental results indicate that any loss of accuracy due to this technique is negligible (