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Approximate computation based on NAND-SPIN MRAM for CNN on-chip training

  • Beihang University

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

Abstract

Approximate computation is a widely used method to accelerate CNN training. In this work, the stochastic switching mechanism of the NAND-SPIN MRAM is utilized to perform the approximate update and storage of the synaptic weight. By reducing the programming time of the NAND-SPIN MTJs from 3 ns to 1 ns, more than 67% speedup and nearly 70% energy saving have been achieved with less than 1% accuracy loss.

Original languageEnglish
Title of host publicationProceedings of the 17th ACM International Symposium on Nanoscale Architectures, NANOARCH 2022
PublisherAssociation for Computing Machinery, Inc
ISBN (Electronic)9781450399388
DOIs
StatePublished - 7 Dec 2022
Event17th ACM International Symposium on Nanoscale Architectures, NANOARCH 2022 - Virtual, Online, United States
Duration: 7 Dec 20229 Dec 2022

Publication series

NameProceedings of the 17th ACM International Symposium on Nanoscale Architectures, NANOARCH 2022

Conference

Conference17th ACM International Symposium on Nanoscale Architectures, NANOARCH 2022
Country/TerritoryUnited States
CityVirtual, Online
Period7/12/229/12/22

Keywords

  • CNN
  • NAND-SPIN
  • approximate computation
  • on-chip training

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