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Energy-Efficient CNN Implementation on a Deeply Pipelined FPGA Cluster

Zhang, Chen, Wu, Di, Sun, Jiayu, Sun, Guangyu, Luo, Guojie, Cong, Jason·2016·Proceedings of the 2016 International Symposium on Low Power Electronics and Design

Abstract

Recently, FPGA-based CNN accelerators have demonstrated superior energy efficiency compared to high-performance devices like GPGPUs. However, due to the constrained on-chip resource and many other factors, single-board FPGA designs may have difficulties in achieving optimal energy efficiency. In this paper we present a deeply pipelined multi-FPGA architecture that expands the design space for optimal performance and energy efficiency. A dynamic programming algorithm is proposed to map the CNN computing layers efficiently to different FPGA boards. To demonstrate the potential of the architecture, we built a prototype system with seven FPGA boards connected with high-speed serial links. The experimental results on AlexNet and VGG-16 show that the prototype can achieve up to 21x and 2x energy efficiency compared to optimized multi-core CPU and GPU implementations, respectively.

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Metadata

Authors
Zhang, C., Wu, D., Sun, J., Sun, G., Luo, G., & Cong, J.
Venue
Proceedings of the 2016 International Symposium on Low Power Electronics and Design
Publisher
ACM
Published
2016-08-08
Pages
326-331
OpenAlex
W2475840367
Cited by
227
References
2
FWCI
21.59
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Energy-Efficient CNN Implementation on a Deeply Pipelined FPGA Cluster. https://app.cochat.ai/papers/10.1145/2934583.2934644
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Zhang, C., Wu, D., Sun, J., Sun, G., Luo, G., & Cong, J. (2016). Energy-Efficient CNN Implementation on a Deeply Pipelined FPGA Cluster. Proceedings of the 2016 International Symposium on Low Power Electronics and Design. https://doi.org/10.1145/2934583.2934644

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