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Self-similar Magneto-electric Nanocircuit Technology for Probabilistic Inference Engines | | Santosh Khasanvis
; Mingyu Li
; Mostafizur Rahman
; Mohammad Salehi Fashami
; Ayan K. Biswas
; Jayasimha Atulasimha
; Supriyo Bandyopadhyay
; Csaba Andras Moritz
; | | Date: |
15 Apr 2015 | | Abstract: | Probabilistic graphical models are powerful mathematical formalisms for
machine learning and reasoning under uncertainty that are widely used for
cognitive computing. However they cannot be employed efficiently for large
problems (with variables in the order of 100K or larger) on conventional
systems, due to inefficiencies resulting from layers of abstraction and
separation of logic and memory in CMOS implementations. In this paper, we
present a magneto-electric probabilistic technology framework for implementing
probabilistic reasoning functions. The technology leverages Straintronic
Magneto-Tunneling Junction (S-MTJ) devices in a novel mixed-signal circuit
framework for direct computations on probabilities while enabling in-memory
computations with persistence. Initial evaluations of the Bayesian likelihood
estimation operation occurring during Bayesian Network inference indicate up to
127x lower area, 214x lower active power, and 70x lower latency compared to an
equivalent 45nm CMOS Boolean implementation. | | Source: | arXiv, 1504.4056 | | Services: | Forum | Review | PDF | Favorites | |
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