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ESE & CIS Seminar: “Toward Power-Efficient Computing with Applied Inference”

February 6, 2020 at 3:00 PM - 4:00 PM

Abstract: We require computers that extract value from exponential data growth even as exponential transistor scaling falters. With limited scaling, power and thermal density threaten performance. Architects must pursue power efficiency in design and management. My research group addresses these challenges by integrating systems architecture with statistical inference. First, we design systems by tailoring hardware to software. We construct statistical surrogates for expensive design tools, solving previously intractable problems in heterogeneous, adaptive, and specialized processing. Second, we manage systems by allocating datacenter power. We construct multi-agent games and discover statistical equilibria in which users draw power strategically and avoid oversubscribing shared power. Third, we diagnose system anomalies by inferring causal performance models and extracting themes from these models with semantic clustering. Finally, we will discuss future directions for efficient computing in datacenters and beyond.

Benjamin Lee

Associate Professor of Electrical & Computer Engineering and Computer Science, Duke University

Benjamin Lee is an Associate Professor of Electrical and Computer Engineering at Duke University. He earned his B.S. from UC Berkeley, Ph.D. from Harvard, and post-doctorate from Stanford. Dr. Lee’s research focuses on computer architecture, pursuing efficiency and security with statistical inference and algorithmic economics. His research was recognized by IEEE Micro Top Picks (4x), CACM Research Highlights (3x), as well as paper honors from the ASPLOS, HPCA, MICRO, and SC conferences. His advising at Duke was recognized by the Celebrating Mentors Honor and nominated for the Dean’s Award for Excellence in Mentoring. Dr. Lee received the NSF Computing Innovation Fellowship, NSF CAREER Award, and Google Faculty Award. He is an ACM Distinguished Scientist and IEEE Senior Member.


Electrical and Systems Engineering
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Wu and Chen Auditorium (Room 101), Levine Hall
3330 Walnut Street
Philadelphia, PA 19104 United States
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