Probabilistic computing with future deep sub-micrometer devices: a modelling approach

Hamid, N. H., Murray, A.F., Laurenson, D., Roy, S. and Cheng, B. (2005) Probabilistic computing with future deep sub-micrometer devices: a modelling approach. In: IEEE International Symposium on Circuits and Systems, Kobe, Japan, 23-26 May, pp. 2510-2513. ISBN 0780388348 (doi: 10.1109/ISCAS.2005.1465136)

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Publisher's URL: http://dx.doi.org/10.1109/ISCAS.2005.1465136

Abstract

An approach is described that investigates the potential of probabilistic "neural" architectures for computation with deep sub-micrometer (DSM) MOSFETs. Initially, noisy MOSFET models are based upon those for a 0.35 /spl mu/m MOS technology with an exaggerated 1/f characteristic. We explore the manifestation of the 1/f characteristic at the output of a 2-quadrant multiplier when the key n-channel MOSFETs are replaced by "noisy" MOSFETs. The stochastic behavior of this noisy multiplier has been mapped on to a software (Matlab) model of a continuous restricted Boltzmann machine (CRBM) - an analogue-input stochastic computing structure. Simulation of this DSM CRBM implementation shows little degradation from that of a "perfect" CRBM. This paper thus introduces a methodology for a form of "technology-downstreaming" and highlights the potential of probabilistic architectures for DSM computation.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Roy, Professor Scott
Authors: Hamid, N. H., Murray, A.F., Laurenson, D., Roy, S., and Cheng, B.
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Research Group:Device Modelling Group
Publisher:Institute of Electrical and Electronics Engineers
ISBN:0780388348
Copyright Holders:Copyright © 2005 Institute of Electrical and Electronics Engineers
First Published:First published in IEEE International Symposium on Circuits and Systems (ISCAS) proceedings (2005): 2510-2513
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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