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Proc Natl Acad Sci U S A. 2016 Oct 11;113(41):11441-11446. Epub 2016 Sep 20.

Convolutional networks for fast, energy-efficient neuromorphic computing.

Author information

1
Brain-Inspired Computing, IBM Research-Almaden, San Jose, CA 95120 sesser@us.ibm.com.
2
Brain-Inspired Computing, IBM Research-Almaden, San Jose, CA 95120.

Abstract

Deep networks are now able to achieve human-level performance on a broad spectrum of recognition tasks. Independently, neuromorphic computing has now demonstrated unprecedented energy-efficiency through a new chip architecture based on spiking neurons, low precision synapses, and a scalable communication network. Here, we demonstrate that neuromorphic computing, despite its novel architectural primitives, can implement deep convolution networks that (i) approach state-of-the-art classification accuracy across eight standard datasets encompassing vision and speech, (ii) perform inference while preserving the hardware's underlying energy-efficiency and high throughput, running on the aforementioned datasets at between 1,200 and 2,600 frames/s and using between 25 and 275 mW (effectively >6,000 frames/s per Watt), and (iii) can be specified and trained using backpropagation with the same ease-of-use as contemporary deep learning. This approach allows the algorithmic power of deep learning to be merged with the efficiency of neuromorphic processors, bringing the promise of embedded, intelligent, brain-inspired computing one step closer.

KEYWORDS:

TrueNorth; convolutional network; neural network; neuromorphic

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