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Leveraging latency-insensitivity to ease multiple FPGA design

Author(s)
Fleming, Kermin Elliott; Pellauer, Michael; Arvind, Arvind; Emer, Joel S
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Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/
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Abstract
Traditionally, hardware designs partitioned across multiple FPGAs have had low performance due to the inefficiency of maintaining cycle-by-cycle timing among discrete FPGAs. In this paper, we present a mechanism by which complex designs may be efficiently and automatically partitioned among multiple FPGAs using explicitly programmed latency-insensitive links. We describe the automatic synthesis of an area efficient, high performance network for routing these inter-FPGA links. By mapping a diverse set of large research prototypes onto a multiple FPGA platform, we demonstrate that our tool obtains significant gains in design feasibility, compilation time, and even wall-clock performance.
Date issued
2012-02
URI
https://hdl.handle.net/1721.1/121446
Department
Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory
Journal
Proceedings of the ACM/SIGDA international symposium on Field Programmable Gate Arrays
Publisher
Association for Computing Machinery (ACM)
Citation
Fleming, Kermin, Michael Adler, Michael Pellauer, Angshuman Parashar, Arvind and Joel Emer. "Leveraging latency-insensitivity to ease multiple FPGA design." In Proceeding FPGA '12 Proceedings of the ACM/SIGDA international symposium on Field Programmable Gate Arrays, Monterey, California, USA, February 22-24, 2012, pages 175-184.
Version: Author's final manuscript
ISBN
978-1-4503-1155-7

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