Stochastic computation using pulse-width modulated signals

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United States of America Patent

PATENT NO 10740686
APP PUB NO 20180204131A1
SERIAL NO

15869453

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Abstract

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Devices and techniques are described in which stochastic computation is performed on analog periodic pulse signals instead of random, stochastic digital bit streams. Exploiting pulse width modulation (PWM), time-encoded signals corresponding to specific values are generated by adjusting the frequency (period) and duty cycles of PWM signals. With this approach, the latency, area, and energy consumption are all greatly reduced, as compared to prior stochastic approaches. Circuits synthesized with the proposed approach can work as fast and energy efficiently as a conventional binary design while retaining the fault-tolerance and low-cost advantages of conventional stochastic designs.

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Patent Owner(s)

Patent OwnerAddress
REGENTS OF THE UNIVERSITY OF MINNESOTA200 OAK STREET S E 450 MCNAMARA ALUMNI CENTER MINNEAPOLIS MN 55455

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bazargan, Kiarash Plymouth, US 7 36
Harjani, Ramesh Minneapolis, US 17 398
Jamalizavareh, Shiva Minneapolis, US 1 10
Lilja, David J Maplewood, US 12 120
Najafi, Mohammadhassan Minneapolis, US 12 33
Riedel, Marcus Minneapolis, US 6 43

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