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SAPIENS: Towards Energy-efficient Deep Spiking Neural Networks via the Approximation of Power-expensive Neurons

  • Cheol Min Kang
  • , Nguyen Dong Ho
  • , Dongyoung Lee
  • , Yonghwan Kwon
  • , Donghyun Kim
  • , Inhan Kang
  • , Ik Joon Chang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We present an energy-saving technique for deep spiking neural networks (SNNs) converted from pre-trained analog neural networks (ANNs), named SAPIENS. Deep SNNs have many spiking operations, causing considerable switching power dissipation in the systems that process SNNs. Our study shows that in deep SNNs, only 20% of neurons account for more than 80% of SNN operations, called expensive neurons. Our SAPIENS technique identifies and approximates expensive neurons on-the-fly, improving energy consumption by 50-60% while having minimal impact on SNN accuracy.

Original languageEnglish
Title of host publicationAICAS 2025 - 2025 7th IEEE International Conference on Artificial Intelligence Circuits and Systems, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798331524241
DOIs
Publication statusPublished - 2025
Event7th IEEE International Conference on Artificial Intelligence Circuits and Systems, AICAS 2025 - Bordeaux, France
Duration: 28 Apr 202530 Apr 2025

Publication series

NameAICAS 2025 - 2025 7th IEEE International Conference on Artificial Intelligence Circuits and Systems, Proceedings

Conference

Conference7th IEEE International Conference on Artificial Intelligence Circuits and Systems, AICAS 2025
Country/TerritoryFrance
CityBordeaux
Period28/04/2530/04/25

Bibliographical note

Publisher Copyright:
© 2025 IEEE.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • ANN-to-SNN Conversion
  • Approximate Computing
  • Edge Computing
  • Energy Efficiency
  • Spiking neural network

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