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MemSE: Fast MSE Prediction for Noisy Memristor-Based DNN Accelerators

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Abstract

Memristors enable the computation of matrix-vector multiplications (MVM) in memory and, therefore, show great potential in highly increasing the energy efficiency of deep neural network (DNN) inference accelerators. However, computations in memristors suffer from hardware non-idealities and are subject to different sources of noise that may negatively impact system performance. In this work, we theoretically analyze the mean squared error of DNNs that use memristor crossbars to compute MVM. We take into account both the quantization noise, due to the necessity of reducing the DNN model size, and the programming noise, stemming from the variability during the programming of the memristance value. Simulations on pretrained DNN models showcase the accuracy of the analytical prediction. Furthermore the proposed method is almost two order of magnitude faster than Monte-Carlo simulation, thus making it possible to optimize the implementation parameters to achieve minimal error for a given power constraint.
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Dates and versions

hal-03654471 , version 1 (28-04-2022)

Identifiers

  • HAL Id : hal-03654471 , version 1

Cite

Jonathan Kern, Sébastien Henwood, Gonçalo Mordido, Elsa Dupraz, Abdeldjalil Aissa El Bey, et al.. MemSE: Fast MSE Prediction for Noisy Memristor-Based DNN Accelerators. IEEE international Conference on Artificial Intelligence Circuits and Systems (AICAS) 2022, Jun 2022, Incheon, South Korea. ⟨hal-03654471⟩
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