Bit-Serial Single Flux Quantum Microprocessor CORE

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概要

• 論文の詳細を見る

• We describe the development of single-flux-quantum (SFQ) microprocessors and the related technologies such as designing, circuit architecture, microarchitecture, etc. Since the microprocessors studied here aim for a general-purpose computing system, we employ the complexity-reduced (CORE) architecture in which the high-speed nature of the SFQ circuits is used not for increasing processor performance but for reducing the circuit complexity. The bit-serial processing is the most suitable way to realize the CORE architecture. We assembled all the best technologies concerning SFQ integrated circuits and designed the SFQ microprocessors, CORE1α, CORE1β, and CORE1γ. The CORE1β was made up of about 11000 Josephson junctions and successfully demonstrated. The peak performance reached 1400 million operations per second with a power consumption of 3.4mW. We showed that the SFQ microprocessors had an advantage in a performance density to semiconductors ones, which lead to the potential for constructing a high performance SFQ-circuit-based computing system.

• （社）電子情報通信学会の論文
• 2008-03-01

著者

• Fujimaki Akira

  Department Of Quantum Engineering Nagoya University

• Fujimaki Akira

  Nagoya Univ. Nagoya‐shi Jpn

• YAMANASHI Yuki

  Department of Electrical and Computer Engineering, Yokohama National University

• YOSHIKAWA Nobuyuki

  Department of Electrical and Computer Engineering, Yokohama National University

• YAMADA Takahiro

  Department of Human Genetics, Nagasaki University School of Medicine

• Fujimaki Akira

  Department Of Quantum Engineering Nagoya University:crest-jst

• TANAKA Masamitsu

  Department of Information Engineering, Nagoya University

• YOSHIKAWA N.

  Department of Electrical and Computer Engineering, Yokohama National University

• Yamanashi Yuki

  Department Of Electrical And Computer Engineering Yokohama National University

• PARK Heejoung

  Department of Electrical and Computer Engineering, Yokohama National University

• Park Heejoung

  Department Of Electrical And Computer Engineering Yokohama National University

• Yoshikawa Nobuyuki

  Department Of Electrical And Computer Engineering Yokohama National University

• Yamada Takahiro

  Department Of Quantum Engineering Nagoya University

• Yamada Takahiro

  Department Of Applied Chemistry School Of Engineering Tohoku University

• Tanaka Masamitsu

  Nagoya Univ. Nagoya‐shi Jpn

• Tanaka Masamitsu

  Department Of Electronics Nagoya University

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