Slides available here!


Prof. Marilyn Wolf, Georgia Tech , USA


Accuracy-Aware Computing: Opportunities and Pitfalls


Subthreshold operation provides interesting opportunities for trading energy vs. accuracy of computations. Accuracy-aware computing is particularly attractive for signal processing, for which low-voltage-induced errors may be considered as a source of noise. However, this technique must be applied carefully. This talk will describe work with Sehun Kim and Saibal Mukhopodhyay on error-aware image compression. We showed that naive approaches do not provide net energy savings but we identified new techniques for accuracy-aware compression that provide net energy benefits.


Marilyn Wolf is Farmer Distinguished Chair and Georgia Research Alliance Eminient Scholar at the Georgia Institute of Technology. She received her BS, MS, and PhD in electrical engineering from Stanford University in 1980, 1981, and 1984, respectively. She was with AT&T Bell Laboratories from 1984 to 1989. She was on the faculty of Princeton University from 1989 to 2007. Her research interests include cyber-physical systems, embedded computing, embedded video and computer vision, and VLSI systems. She has received the ASEE Terman Award and IEEE Circuits and Systems Society Education Award. She is a Fellow of the IEEE and ACM and an IEEE Computer Society Golden Core member.

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