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Tohru Shonai

Hitachi

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Publication

Featured researches published by Tohru Shonai.

international conference on computer design | 1991

Logic design for a high performance mainframe computer-the HITAC M-880 processor

Yooichi Hitachi Tennoue Shataku B Shintani; Kiyoshi Inoue; Eiki Kamada; Tohru Shonai; K. Wada; S. Abe; K. Wakai

Logic design and its effects on the HITAC M-880 basic scalar processor are described. The M-880 is a high end mainframe computer which uses current high speed circuits and packaging technologies, as well as logic methods, to improve performance. An optimal pipeline stage evaluation method is proposed, together with a new cache access method termed merge access. The combined effect of the logic methods is a 10% improvement in processor performance with online transaction processing.<<ETX>>

Archive | 1987

Pipelined data processor capable of decoding and executing plural instructions in parallel

Kazunori Kuriyama; Yooichi Hitachi Tennoue Shataku B Shintani; Akira Yamaoka; Tohru Shonai; Eiki Kamada; Kiyoshi Inoue

Archive | 1987

Data processor for concurrent executing of instructions by plural execution units

Yooichi Shintani; Kazunori Kuriyama; Tohru Shonai; Eiki Kamada; Kiyoshi Inoue

Archive | 1986

Data processor having a plurality of operating units, logical registers, and physical registers for parallel instructions execution

Tohru Shonai; Eiki Kamada; Shigeo Takeuchi

Archive | 1986

Information processing apparatus for determining sequence of parallel executing instructions in response to storage requirements thereof

Eiki Kamada; Yooichi Shintani; Tohru Shonai; Shigeo Takeuchi

Archive | 1985

Data processor capable of executing instructions under prediction

Yooichi Shintani; Tohru Shonai; Eiki Kamada; Shigeo Takeuchi

Archive | 1987

Data processor for parallelly executing conflicting instructions

Eiki Kamada; Yooichi Shintani; Kazunori Kuriyama; Tohru Shonai; Kiyoshi Inoue

Archive | 1988

Information processor providing enhanced handling of address-conflicting instructions during pipeline processing

Kazunori Kuriyama; Yooichi Shintani; Tohru Shonai; Eiki Kamada; Kiyoshi Inoue

Archive | 1991

Method and apparatus for controlling conditional branch instructions for a pipeline type data processing apparatus

Tooru Hiraoka; Kouji Nakamura; Tohru Shonai

Archive | 1991

Information processing apparatus using an advanced pipeline control method

Tooru Hiraoka; Kouji Nakamura; Tohru Shonai

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Eiki Kamada

Hitachi

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Kiyoshi Inoue

Hitachi

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Kazunori Kuriyama

Hitachi

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Yooichi Shintani

Hitachi

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Shigeo Takeuchi

Hitachi

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Yooichi Hitachi Tennoue Shataku B Shintani

Hitachi

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Akira Yamaoka

Hitachi

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Kouji Nakamura

Hitachi

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Tooru Hiraoka

Hitachi

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K. Wada

Hitachi

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