The Department of Computer Science at the University of Cyprus cordially invites you to the Colloquium entitled:
Towards A Post-CMOS Processor Architecture: Associative Processing using Coupled Oscillators
Speaker: Prof. Donald M. Chiarulli
I will present our research on the design and performance of a hierarchical associative memory based on phase locking of coupled oscillators used for pattern recognition on facial images. The use of coupled oscillators rather than Boolean logic provides for implementations using emerging nano-technology such as Magnetic Spin Torque Oscillators and Resonant Body Transistor Oscillators that have the potential of lower energy and higher density than CMOS solutions. We model the general behavior of loosely coupled non-linear oscillators to perform pattern matching by phase locking first by using CMOS ring oscillators, and then with a simple analytic formulation. We use this reduced model in a simulation of a hierarchical associative memory for image recognition tasks. This research is part of collaboration with Dr. Steven Levitan of the University of Pittsburgh with contributions from Graduate Students. Chet N. Gnegy, and Yan Fang.
Donald M. Chiarulli is a Professor of Computer Science and Computer Engineering at the University of Pittsburgh. Dr. Chiarulli received his BS degree (Physics, 1976) from Louisiana State University, MSc (Computer Science, 1979) from Virginia Polytechnic Institute, and PhD (Computer Science, 1986) from Louisiana State University. Dr. Chiarulli’s research is focused on the impact of emerging technology on computer architecture. He has made significant contributions in photonic and optoelectronic computing systems architecture, signal encoding and interconnection architectures and currently nano-scale electronics and magnetics. Dr Chiarulli’s research has been recognized with Best Paper Awards at the International Conference on Neural Networks (ICNN-98) and the Design Automation Conference (DAC-00). He is also the co-inventor on three patents relating to computing systems and optoelectronics. He has served on the technical program committees of numerous conferences for both research and education issues. Dr. Chiarulli has served on the editorial board of the Journal of Parallel and Distributed Systems and is a member of the IEEE. SPIE, and OSA.
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