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タイトル: | Via-switch FPGA with transistor-free programmability enabling energy-efficient near-memory parallel computation |
著者: | Hashimoto, Masanori ![]() ![]() ![]() Bai, Xu Banno, Naoki Tada, Munehiro Sakamoto, Toshitsugu Yu, Jaehoon Doi, Ryutaro Onodera, Hidetoshi Imagawa, Takashi Ochi, Hiroyuki Wakabayashi, Kazutoshi Mitsuyama, Yukio Sugibayashi, Tadahiko |
著者名の別形: | 橋本, 昌宜 |
発行日: | Oct-2022 |
出版者: | IOP Publishing |
誌名: | Japanese Journal of Applied Physics |
巻: | 61 |
号: | SM |
論文番号: | SM0804 |
抄録: | We are developing field-programmable gate arrays (FPGAs) with a new non-volatile switch called via-switch. In via-switch FPGAs (VS-FPGAs), the via-switches required for reconfiguration are placed in the routing layer so that the entire transistor layer can be utilized for computing, and higher implementation density can be achieved compared to conventional SRAM FPGAs. Furthermore, since arithmetic units and memories for computing can be placed under the via-switch crossbar for routing, large-scale parallel operations can be realized where the memory and the arithmetic unit are adjacent to each other. These features enable operation with high energy efficiency. This article reports 65 nm prototype fabrication results and predicted the performance of the VS-FPGA designed for AI applications. We also present the developed application mapping flow and crossbar programming method. The VS-FPGA closes the gap between FPGA and application-specific integrated circuits (ASIC) with the performance advantage of the via-switch and via-switch copy scheme for FPGA-to-ASIC migration, contributing to the expansion of the FPGA usage. |
著作権等: | © 2022 The Author(s). Published on behalf of The Japan Society of Applied Physics by IOP Publishing Ltd Content from this work may be used under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. |
URI: | http://hdl.handle.net/2433/282783 |
DOI(出版社版): | 10.35848/1347-4065/ac6b81 |
出現コレクション: | 学術雑誌掲載論文等 |

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