Interactive presentation: Low cost debug architecture using lossy compression for silicon debug

  • Authors:
  • Ehab Anis;Nicola Nicolici

  • Affiliations:
  • McMaster University, Hamilton, ON, Canada;McMaster University, Hamilton, ON, Canada

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe
  • Year:
  • 2007

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Abstract

The size of on-chip trace buffers used for at-speed silicon debug limits the observation window in any debug session. Whenever the debug experiment can be repeated, we propose a novel architecture for at-speed silicon debug that enables a methodology where the designer can iteratively zoom only in the intervals containing erroneous samples. When compared to increasing the size of the trace buffer, the proposed architecture has a small impact on silicon area, while significantly reducing the number of debug sessions.