Extending A Soft-Core Risc-V Processor To Accelerate Cnn Inference
2019 6TH INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE AND COMPUTATIONAL INTELLIGENCE (CSCI 2019)(2019)
摘要
Convolutional Neural Networks (CNNs) are the gold-standard for computer vision. Using CNN on embedded hardware that has limited computational capability is an area of active investigation and optimization. In this paper, we investigate the potential of extending the RISC-V Instruction Set Architecture for accelerating the inference of a CNN using in-pipeline hardware blocks and custom instructions. Our preliminary designs have a small footprint and mmimal impact on maximum core frequency. The new designed instructions were used to extend an existing soft-core processor. This processor was synthesized to an FPGA for cycle-accurate testing and performance evaluation.
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关键词
RISC-V, CNN, FPGA, Soft-core processor
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