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Block Convolution: Toward Memory-Efficient Inference of Large-Scale CNNs on FPGA | |
Li, Gang1,2![]() ![]() ![]() ![]() | |
发表期刊 | IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS
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ISSN | 0278-0070 |
2022-05-01 | |
卷号 | 41期号:5页码:1436-1447 |
摘要 | Deep convolutional neural networks have achieved remarkable progress in recent years. However, the large volume of intermediate results generated during inference poses a significant challenge to the accelerator design for resource-constrained field-programmable gate array (FPGA). Due to the limited on-chip storage, partial results of intermediate layers are frequently transferred back and forth between on-chip memory and off-chip DRAM, leading to a nonnegligible increase in latency and energy consumption. In this article, we propose block convolution, a hardware-friendly, simple, yet efficient convolution operation that can completely avoid the off-chip transfer of intermediate feature maps at runtime. The fundamental idea of block convolution is to eliminate the dependency of feature map tiles in the spatial dimension when spatial tiling is used, which is realized by splitting a feature map into independent blocks so that convolution can be performed separately on individual blocks. We conduct extensive experiments to demonstrate the efficacy of the proposed block convolution on both the algorithm side and the hardware side. Specifically, we evaluate block convolution on: 1) VGG-16, ResNet-18, ResNet-50, and MobileNet-V1 for the ImageNet classification task; 2) SSD and FPN for the COCO object detection task; and 3) VDSR for the Set5 single-image superresolution task. Experimental results demonstrate that comparable or higher accuracy can be achieved with block convolution. We also showcase two CNN accelerators via algorithm/hardware co-design based on block convolution on memory-limited FPGAs, and evaluation shows that both accelerators substantially outperform the baseline without off-chip transfer of intermediate feature maps. |
关键词 | Convolution Field programmable gate arrays System-on-chip Task analysis Random access memory Tensors Memory management Block convolution convolutional neural network (CNN) accelerator field-programmable gate array (FPGA) memory efficient off-chip transfer |
DOI | 10.1109/TCAD.2021.3082868 |
收录类别 | SCI |
语种 | 英语 |
资助项目 | National Natural Science Foundation of China[61972396] ; National Key Research and Development Program of China[2020AAA0103402] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA27040300] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB32050200] |
项目资助者 | National Natural Science Foundation of China ; National Key Research and Development Program of China ; Strategic Priority Research Program of Chinese Academy of Sciences |
WOS研究方向 | Computer Science ; Engineering |
WOS类目 | Computer Science, Hardware & Architecture ; Computer Science, Interdisciplinary Applications ; Engineering, Electrical & Electronic |
WOS记录号 | WOS:000784196800022 |
出版者 | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
七大方向——子方向分类 | AI芯片与智能计算 |
国重实验室规划方向分类 | 其他 |
是否有论文关联数据集需要存交 | 否 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ia.ac.cn/handle/173211/48339 |
专题 | 复杂系统认知与决策实验室_高效智能计算与学习 |
通讯作者 | Cheng, Jian |
作者单位 | 1.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Sch Artificial Intelligence, Beijing 100049, Peoples R China 3.Univ Chinese Acad Sci, Sch Future Technol, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Ctr Excellence Brain Sci & Intelligence Technol, Beijing 100190, Peoples R China 5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
第一作者单位 | 中国科学院自动化研究所 |
通讯作者单位 | 中国科学院自动化研究所 |
推荐引用方式 GB/T 7714 | Li, Gang,Liu, Zejian,Li, Fanrong,et al. Block Convolution: Toward Memory-Efficient Inference of Large-Scale CNNs on FPGA[J]. IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS,2022,41(5):1436-1447. |
APA | Li, Gang,Liu, Zejian,Li, Fanrong,&Cheng, Jian.(2022).Block Convolution: Toward Memory-Efficient Inference of Large-Scale CNNs on FPGA.IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS,41(5),1436-1447. |
MLA | Li, Gang,et al."Block Convolution: Toward Memory-Efficient Inference of Large-Scale CNNs on FPGA".IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS 41.5(2022):1436-1447. |
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