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Cited by 389

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Optimizing Loop Operation and Dataflow in FPGA Acceleration of Deep Convolutional Neural Networks

Ma, Yufei, Cao, Yu, Vrudhula, Sarma, Seo, Jae-sun·2017·Proceedings of the 2017 ACM/SIGDA International Symposium on Field-Programmable Gate Arrays

Abstract

As convolution layers contribute most operations in convolutional neural network (CNN) algorithms, an effective convolution acceleration scheme significantly affects the efficiency and performance of a hardware CNN accelerator. Convolution in CNNs involves three-dimensional multiply and accumulate (MAC) operations with four levels of loops, which results in a large design space. Prior works either employ limited loop optimization techniques, e.g. loop unrolling, tiling and interchange, or only tune some of the design variables after the accelerator architecture and dataflow are already fixed. Without fully studying the convolution loop optimization before the hardware design phase, the resulting accelerator can hardly exploit the data reuse and manage data movement efficiently. This work overcomes these barriers by quantitatively analyzing and optimizing the design objectives (e.g. required memory access) of the CNN accelerator based on multiple design variables. We systematically explore the trade-offs of hardware cost by searching the design variable configurations, and propose a specific dataflow of hardware CNN acceleration to minimize the memory access and data movement while maximizing the resource utilization to achieve high performance. The proposed CNN acceleration scheme and architecture are demonstrated on a standalone Altera Arria 10 GX 1150 FPGA by implementing end-to-end VGG-16 CNN model and achieved 645.25 GOPS of throughput and 47.97 ms of latency, which is a >3.2× enhancement compared to state-of-the-art FPGA implementations of VGG model.

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Metadata

Authors
Ma, Y., Cao, Y., Vrudhula, S., & Seo, J.-S.
Venue
Proceedings of the 2017 ACM/SIGDA International Symposium on Field-Programmable Gate Arrays
Publisher
ACM
Published
2017-02-22
Pages
45-54
OpenAlex
W2584311934
Cited by
389
References
16
FWCI
37.87
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Optimizing Loop Operation and Dataflow in FPGA Acceleration of Deep Convolutional Neural Networks. https://app.cochat.ai/papers/10.1145/3020078.3021736
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Ma, Y., Cao, Y., Vrudhula, S., & Seo, J.-S. (2017). Optimizing Loop Operation and Dataflow in FPGA Acceleration of Deep Convolutional Neural Networks. Proceedings of the 2017 ACM/SIGDA International Symposium on Field-Programmable Gate Arrays. https://doi.org/10.1145/3020078.3021736

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