AlPicoSoC: A Low-Power RISC-V Based System on Chip for Edge Devices with a Deep Learning Accelerator
Lecture notes on data engineering and communications technologies(2023)
摘要
In recent years, the integration of Artificial Intelligence (AI) into Internet of Things (IoT) devices has gained significant importance due to its necessity in serving human-centric applications. However, these devices impose stringent hardware requirements in terms of energy, area, and efficient computing capacity. This paper presents an IoT System-on-Chip (SoC) based on the RISC-V architecture, named AlPicoSoC, equipped with a Deep Neural Network (DNN) accelerator known as Alpha Accelerator. Alpha Accelerator is specifically designed to accelerate inference tasks on Deep Learning (DL) models, providing layer-level computation in each working cycle while ensuring minimal resource utilization and power consumption. AlPicoSoC is implemented and evaluated on an Ultra96-V2 FPGA board. Experimental results obtained using the MNIST dataset demonstrate the system’s high accuracy, achieving up to 97.69%. Significantly, AlPicoSoC system outperforms the original PicoSoC system by a remarkable factor of over 1679.47 times, while the resource utilization and energy consumption of AlPicoSoC only marginal increases, with a ratio of just over 8.26 and 1.21, respectively.
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关键词
edge devices,deep learning,chip,low-power
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