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    Effect of Asymmetric Nonlinearity Dynamics in RRAMs on Spiking Neural Network Performance

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    Type
    Conference Paper
    Authors
    Fouda, Mohammed E.
    Neftci, E.
    Eltawil, Ahmed cc
    Kurdahi, F.
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Date
    2020-03-31
    Permanent link to this record
    http://hdl.handle.net/10754/662658
    
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    Abstract
    Crossbar-based Resistive Random Access Memory (RRAM) array is a promising candidate for fast and efficient implementation of the vector-matrix multiplication, an essential step in a wide variety of workloads. However, several RRAM devices, demonstrating promising synaptic behaviors, are characterized by nonlinear and asymmetric update dynamics, which is a major obstacle for large-scale deployment in neural networks, especially for online learning tasks. In this work, we first introduce a memristive Spiking Neural Network (SNN) with local learning. Then, we study the effect of this asymmetric and nonlinear behavior on the spiking neural network performance and propose a method to overcome the performance degradation without extra nonlinearity cancellation hardware and read cycles. The performance of the proposed method approaches the baseline performance with 1 ∼ 2% drop in recognition accuracy.
    Citation
    Fouda, M. E., Neftci, E., Eltawil, A., & Kurdahi, F. (2019). Effect of Asymmetric Nonlinearity Dynamics in RRAMs on Spiking Neural Network Performance. 2019 53rd Asilomar Conference on Signals, Systems, and Computers. doi:10.1109/ieeeconf44664.2019.9049043
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Conference/Event name
    53rd Asilomar Conference on Circuits, Systems and Computers, ACSSC 2019
    ISBN
    9781728143002
    DOI
    10.1109/IEEECONF44664.2019.9049043
    Additional Links
    https://ieeexplore.ieee.org/document/9049043/
    ae974a485f413a2113503eed53cd6c53
    10.1109/IEEECONF44664.2019.9049043
    Scopus Count
    Collections
    Conference Papers; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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