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A Super-Vector Deep Learning Coprocessor with High Performance-Power Ratio
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DOI：10.1007/978-3-319-56660-3_8.png)
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摘要
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The maturity of deep learning theory and the development of computers have made deep learning algorithms powerful tools for mining the underlying features of big data. There is an increasing demand of high-accuracy and real-time object detection for intelligent communication and control tasks in embedded systems. More energy efficient deep learning accelerators are required because of the limited battery and resources in embedded systems. We propose a Super-Vector Coprocessor architecture called SVP-DL. SVP-DL can process various matrix operations used in deep learning algorithms by calculatingmultidimensional vectors using specified vector and scalar instructions, which enabling flexible combinations of matrix operations and data organization. We verified SVP-DL on a self-developed field-programmable gate array (FPGA) platform. The typical deep belief network and the sparse coding network are programmed on the coprocessor. Experiments results showed that SVP-DL architecture on FPGA can achieve 1.7 to 2.1 times the performance under a low frequency compared with that on a PC platform. SVP-DL on FPGA can also achieve about 9 times the performance-power efficiency of a PC.
Keyword:
Deep learning
Coprocessor
Vector
FPGA
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