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Throughput oriented FPGA overlays using DSP blocks
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Jain, Abhishek Kumar, Maskell, Douglas L. and Fahmy, Suhaib A. (2016) Throughput oriented FPGA overlays using DSP blocks. In: Design Automation and Test in Europe Conference (DATE), Dresden, Germany, 14–18 Mar 2016. Published in: 2016 Design, Automation & Test in Europe Conference & Exhibition (DATE) pp. 1628-1633. ISBN 9783981537062. ISSN 1558-1101.
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Official URL: http://www.date-conference.com/proceedings-archive...
Abstract
Design productivity is a major concern preventing the mainstream adoption of FPGAs. Overlay architectures have emerged as one possible solution to this challenge, offering fast compilation and software-like programmability. However, overlays typically suffer from area and performance overheads due to limited consideration for the underlying FPGA architecture. These overlays have often been of limited size, supporting only relatively small compute kernels. This paper examines the possibility of developing larger, more efficient, overlays using multiple DSP blocks and then maximising utilisation by mapping multiple instances of kernels simultaneously onto the overlay to exploit kernel level parallelism. We show a significant improvement in achievable overlay size and overlay utilisation, with a reduction of almost 70% in the overlay tile requirement compared to existing overlay architectures, an operating frequency in excess of 300 MHz, and kernel throughputs of almost 60 GOPS.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Field programmable gate arrays | ||||
Journal or Publication Title: | 2016 Design, Automation & Test in Europe Conference & Exhibition (DATE) | ||||
Publisher: | IEEE | ||||
ISBN: | 9783981537062 | ||||
ISSN: | 1558-1101 | ||||
Official Date: | 28 April 2016 | ||||
Dates: |
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Page Range: | pp. 1628-1633 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 26 January 2016 | ||||
Date of first compliant Open Access: | 26 January 2016 | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | Design Automation and Test in Europe Conference (DATE) | ||||
Type of Event: | Conference | ||||
Location of Event: | Dresden, Germany | ||||
Date(s) of Event: | 14–18 Mar 2016 | ||||
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