• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

2020 Fiscal Year Annual Research Report

超伝導断熱磁束量子パラメトロンを用いた低電力深層学習専用チップの開発

Research Project

Project/Area Number 19K15041
Research InstitutionYokohama National University

Principal Investigator

陳 オリビア  横浜国立大学, 先端科学高等研究院, 特任教員(助教) (70837856)

Project Period (FY) 2019-04-01 – 2021-03-31
Keywords低消費電力 / 近似計算 / 断熱回路 / 超伝導集積回路 / 機械学習
Outline of Annual Research Achievements

第5期科学技術基本計画(Society 5.0)で新たな「超スマート」社会を実現するために, 基盤技術となる,人工知能や,ビッグデータ解析技術等の強化は不可欠である.しかしながら,半導体回路では,微細化の限界と電力消費の諸問題でムーア法則の限界を迎えており,半導体に比べて革新的に消費電力の低い集積回路が必要となる.このため,量子効果を用いた無散逸な情報保持,及び超伝導配線による充放電フリーな情報伝播という利点を有する超伝導論理回路が注目されている.本研究では似計算であるStochastic Computing(SC)を低電力超伝導回路である断熱的量子磁束パラメトロン(AQFP)に導入することで,初めて1Wで1千兆回演算 (PetaOPS/W)可能な高性能化深層学習専用チップの実現を目指す.本研究で提案するアーキテクチャは,面積効率の良いハードウェアを実現しやすい方式であり,従来のCMOS回路に比べて非常に小さい消費エネルギーで,高性能深層学習チップの実現を可能にする.
本研究の主な研究課題は,①SC演算を用いたAQFP(以下 SC-AQFPと呼ぶ)深層学習専用プロセッサの機能ブロックの設計と評価し,②オンチップ可能なAQFP乱数発生器をプロセッサへ導入と評価を通じて,最終的に③SC-AQFP深層学習専用チップの作製と動作実証への展開である.今年度は,まず①に関する大規模集積回路設計に不可欠な自動化設計環境を完備した.また,構築した自動化設計環境を用いて,小規模深層学習専用プロセッサの設計と評価を行なった.さらに,②に関連して,AQFP 乱数発生器を用いたSC-AQFP深層学習プロセッサユニットの実装と動作確認を行った.以上の成果は,従来のCMOS回路に比べて非常に小さい消費エネルギーで高性能深層学習チップの実現を可能にする.

  • Research Products

    (16 results)

All 2021 2020 Other

All Int'l Joint Research (2 results) Journal Article (8 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 4 results) Presentation (6 results) (of which Int'l Joint Research: 6 results)

  • [Int'l Joint Research] Northeastern University(米国)

    • Country Name
      U.S.A.
    • Counterpart Institution
      Northeastern University
  • [Int'l Joint Research] Taiwan National Tsinghua Univerisity(その他の国・地域)

    • Country Name
      その他の国・地域
    • Counterpart Institution
      Taiwan National Tsinghua Univerisity
  • [Journal Article] Low-autocorrelation random number generator based on adiabatic quantum-flux-parametron logic2021

    • Author(s)
      Luo Wenhui、Takeuchi Naoki、Chen Olivia、Yoshikawa Nobuyuki
    • Journal Title

      IEEE Transactions on Applied Superconductivity

      Volume: 31 Pages: 1~1

    • DOI

      10.1109/TASC.2021.3070460

    • Peer Reviewed
  • [Journal Article] Logic Synthesis of Sequential Logic Circuits for Adiabatic Quantum-Flux-Parametron Logic2021

    • Author(s)
      Saito Ro、Ayala Christopher L.、Chen Olivia、Tanaka Tomoyuki、Tamura Tomohiro、Yoshikawa Nobuyuki
    • Journal Title

      IEEE Transactions on Applied Superconductivity

      Volume: 31 Pages: 1~5

    • DOI

      10.1109/TASC.2021.3061636

    • Peer Reviewed
  • [Journal Article] Demonstration of a 47.8GHz High-Speed FFT Processor Using Single-Flux-Quantum Technology2021

    • Author(s)
      Ke Fei、Chen Olivia、Wang Yanzhi、Yoshikawa Nobuyuki
    • Journal Title

      IEEE Transactions on Applied Superconductivity

      Volume: 31 Pages: 1~5

    • DOI

      10.1109/TASC.2021.3059984

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] A semi-custom design methodology and environment for implementing superconductor adiabatic quantum-flux-parametron microprocessors2020

    • Author(s)
      Ayala Christopher L、Saito Ro、Tanaka Tomoyuki、Chen Olivia、Takeuchi Naoki、He Yuxing、Yoshikawa Nobuyuki
    • Journal Title

      Superconductor Science and Technology

      Volume: 33 Pages: 054006~054006

    • DOI

      10.1088/1361-6668/ab7ec3

    • Peer Reviewed
  • [Journal Article] Design of SFQ convolutional computation processor for convolutional neural network2020

    • Author(s)
      Fei Ke、 Ao Ren、Yanzhi Wang、Olivia Chen、 Yuki Yamanashi、Nobuyuki Yoshikawa
    • Journal Title

      IEICE Technical Report

      Volume: 119 Pages: 11~13

    • Int'l Joint Research
  • [Journal Article] Improvement for autocorrelation of adiabatic quantum-flux-parametron based random number generator2020

    • Author(s)
      Wenhui Luo、Naoki Takeuchi、Olivia Chen
    • Journal Title

      IEICE Technical Report

      Volume: 120 Pages: 17~20

  • [Journal Article] Methodology for Automating Data Feedback Circuit Synthesis for a 4-bit Counter in Adiabatic Quantum-Flux-Parametron Logic2020

    • Author(s)
      Ro Saito、Christopher L Ayala、 Olivia Chen、 Tomoyuki Tanaka、Tomohiro Tamura、 Nobuyuki Yoshikawa
    • Journal Title

      IEICE Technical Report

      Volume: 119 Pages: 117~119

  • [Journal Article] Design and Evaluation of a 1-bit Random Number Generator using Adiabatic Quantum-flux-parametron Logic2020

    • Author(s)
      Wenhui LUO、 Naoki TAKEUCHI、Olivia CHEN、Nobuyuki YOSHIKAWA
    • Journal Title

      IEICE Technical Report

      Volume: 119 Pages: 95~97

  • [Presentation] Towards AQFP-Capable Physical Design Automation2021

    • Author(s)
      Hongjia Li, Mengshu Sun, Tianyun Zhang, Olivia Chen, Nobuyuki Yoshikawa, Bei Yu, Yanzhi Wang, Yibo Lin
    • Organizer
      2021 Design, Automation, and Test in Europe (DATE)
    • Int'l Joint Research
  • [Presentation] Low-Autocorrelation Random Number Generator using Adiabatic Quantum-Flux-Parametron Logic2020

    • Author(s)
      Wenhui Luo, Naoki Takeuchi, Olivia Chen, and Nobuyuki Yoshikawa
    • Organizer
      2020 Applied Superconducitivity Conference (ASC)
    • Int'l Joint Research
  • [Presentation] Logic Synthesis of Sequential Logic Circuits for Adiabatic Quantum-Flux-Parametron Logic2020

    • Author(s)
      Saito Ro, Ayala Christopher L, Chen Olivia,Tanaka Tomoyuki, Tamura Tomohiro, Yoshikawa Nobuyuki
    • Organizer
      2020 Applied Superconducitivity Conference (ASC)
    • Int'l Joint Research
  • [Presentation] Demonstration of a 47.8GHz High-Speed FFT Processor Using Single-Flux-Quantum Technology2020

    • Author(s)
      Fei Kei, Olivia Chen, Nobuyuki Yoshikawa
    • Organizer
      2020 Applied Superconducitivity Conference (ASC)
    • Int'l Joint Research
  • [Presentation] An AQFP-Based Neural Network Accelerator with On-Chip Stochastic Number Generation2020

    • Author(s)
      Olivia Chen, Wenhui Luo, Yanzhi Wang, Naoki Takeuchi, and Nobuyuki Yoshikawa
    • Organizer
      2020 Applied Superconducitivity Conference (ASC)
    • Int'l Joint Research
  • [Presentation] ASAP: An Analytical Strategy for AQFP Placement2020

    • Author(s)
      Y. -C. Chang, H. Li, O. Chen,Y. Wang, N. Yoshikawa, T. -Y. Ho
    • Organizer
      2020 IEEE/ACM International Conference On Computer Aided Design (ICCAD)
    • Int'l Joint Research

URL: 

Published: 2021-12-27  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi