Hardware-Software Co-Optimization of Long-Latency Stochastic Computing

Sercan Aygun*, Lida Kouhalvandi, M. Hassan Najafi, Serdar Ozoguz, Ece Olcay Gunes

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1 Atıf (Scopus)


Stochastic computing (SC) is an emerging paradigm that offers hardware-efficient solutions for developing low-cost and noise-robust architectures. In SC, deterministic logic systems are employed along with bit-stream sources to process scalar values. However, using long bit-streams introduces challenges, such as increased latency and significant energy consumption. To address these issues, we present an optimization-oriented approach for modeling and sizing new logic gates, which results in optimal latency. The optimization process is automated using hardware-software cooperation by integrating Cadence and MATLAB environments. Initially, we optimize the circuit topology by leveraging the design parameters of two-input basic logic gates. This optimization is performed using a multiobjective approach based on a deep neural network. Subsequently, we employ the proposed gates to demonstrate favorable solutions targeting SC-based operations.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)190-193
Sayfa sayısı4
DergiIEEE Embedded Systems Letters
Basın numarası4
Yayın durumuYayınlandı - 1 Ara 2023

Bibliyografik not

Publisher Copyright:
© 2009-2012 IEEE.


This work was supported in part by the National Science Foundation (NSF) under Grant 2019511; by the Louisiana Board of Regents Support Fund under Grant LEQSF(2020-23)-RD-A-26.

FinansörlerFinansör numarası
Louisiana Board of Regents Support FundLEQSF(2020-23)-RD-A-26
National Science Foundation2019511

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