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Design and Implementation of Reconfigurable Neural Network Accelerator
(Institute of Electrical and Electronics Engineers Inc., 2022) Shenoy, M.S.; Ramesh Kini, M.
General-purpose CPUs are sluggish and inefficient when used for computationally intensive applications including in neural networks. It is preferable to develop specialized hardware that can do a large number of multiply-accumulate operations rapidly and efficiently to execute such applications. The Re-configurable Neural Network Accelerator (RNNA) architecture that has been designed is appropriate for a variety of neural network applications. The computational resource requirements vary depending on the application; hence, mapping the application to the available set of resources requires reconfigurability. The fundamental unit of the RNNA is composed of a variety of Multiply-Accumulate (MAC) units, registers, and Address Generation Units (AGU). When compared to the computation performed by a single MAC array, the RNNA with four MAC arrays reduces the time required by approximately 75%. On the Nexys4 DDR Artix-7 FPGA board, RNNA was tested and implemented with a clock frequency of up to 60MHz and power consumption of 0.243W. Â© 2022 IEEE.