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A Power Efficient Reconfigurable System-in-Stack: 3D Integration of Accelerators, FPGAs, and DRAM

Speaker: Dr. Aravind Dasu, Computer Scientist/USC Information Sciences Institute

Talk Title: A Power Efficient Reconfigurable System-in-Stack: 3D Integration of Accelerators, FPGAs, and DRAM

Abstract: Increasing computing power efficiency has become more important as more applications are moving to mobile platforms, which tend to have a limited power available. Being able to perform a wide variety of computations efficiently is especially important for power constrained embedded applications such as unmanned aerial vehicles (UAVs), which may not be able to send the data out for processing and must perform some of the processing on-board. This paper describes a 3D FPGA-DRAM architecture that can not only deliver the necessary flexibility, by using FPGAs, but also provide the computing efficiency in the form of floating-point arithmetic accelerators that is required for UAVs. We examine the efficiency of this system in 65 nm, 90 nm, and 130nm CMOS technologies and report simulation results showing a peak computing efficiency of 28.94GFLOPs/W for a 4,096 point 1 dimensional FFT and 25.03 GFLOPs/W for a 1,024 point ? 1,024 point 2 dimensional FFT.

Biography: Dr. Aravind Dasu is a Computer Scientist at the USC Information Sciences Institute in Arlington, Virginia. He received a PhD in Electrical Engineering from Arizona State University in 2004 and has since worked in the area of reconfigurable computing. His current specialization is in 3D stacking, trusted hardware, and architecture design for FPGAs. Over the past 16 years he has been a PI, CoPI, and Key personnel in R&D projects funded by NASA, Micron, ARM, Motorola, DoE, Lockheed Martin, Utah Governors Office , and DARPA with over $6,000,000 in research grants. He has over forty publications, supervised several graduate students & full time staff. He has served various government agencies such as NASA, the NSF, the National Nuclear Security Administration, and the Department of Energy for program and proposal reviews. His current business development focus is an initiative to build a Center of Excellence in 3D stacked adaptive computing at USC & ISI through strategic relationships with the Department of Defense, Intelligence Community, and Industry.

Host: Dr. Anand Panangadan, anandvp@usc.edu

Location: Hughes Aircraft Electrical Engineering Center (EEB) - 132

Audiences: Everyone Is Invited

Contact: Mayumi Thrasher