Neural and Synaptic Array Transceiver: A Brain-Inspired Computing Framework for Embedded Learning
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Neural and Synaptic Array Transceiver: A Brain-Inspired Computing Framework for Embedded Learning

  • Author(s): Detorakis, G
  • Sheik, S
  • Augustine, C
  • Paul, S
  • Pedroni, BU
  • Dutt, N
  • Krichmar, J
  • Cauwenberghs, G
  • Neftci, E
  • et al.
Abstract

Embedded, continual learning for autonomous and adaptive behavior is a key application of neuromorphic hardware. However, neuromorphic implementations of embedded learning at large scales that are both flexible and efficient have been hindered by a lack of a suitable algorithmic framework. As a result, the most neuromorphic hardware is trained off-line on large clusters of dedicated processors or GPUs and transferred post hoc to the device. We address this by introducing the neural and synaptic array transceiver (NSAT), a neuromorphic computational framework facilitating flexible and efficient embedded learning by matching algorithmic requirements and neural and synaptic dynamics. NSAT supports event-driven supervised, unsupervised and reinforcement learning algorithms including deep learning. We demonstrate the NSAT in a wide range of tasks, including the simulation of Mihalas-Niebur neuron, dynamic neural fields, event-driven random back-propagation for event-based deep learning, event-based contrastive divergence for unsupervised learning, and voltage-based learning rules for sequence learning. We anticipate that this contribution will establish the foundation for a new generation of devices enabling adaptive mobile systems, wearable devices, and robots with data-driven autonomy.

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