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2008 Fiscal Year Final Research Report

Research on basic technologies for physical design of large scale system LSI

Research Project

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Project/Area Number 17560319
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Electron device/Electronic equipment
Research InstitutionWaseda University

Principal Investigator

YOSHIMURA Takeshi  Waseda University, 大学院・情報生産システム研究科, 教授 (80367177)

Project Period (FY) 2005 – 2008
KeywordsシステムLSI / 物理設計
Research Abstract

大規模システムLSI物理設計基盤技術として,フロアプラン手法、超高速回路のクロックスキュー最適化手法,および、物理設計と連携した上流設計手法の研究を行なった。そして、フロアプランでは従来比で配線長を約20%、計算時間を70%~85%削減する手法を提案した。また、クロックスキュー最適化ではラグランジュ緩和法を、上流設計手法では最小コストフローを用いたスケジューリング手法を提案し、いずれも従来を上回る結果を得た。

  • Research Products

    (7 results)

All 2009 2008 2007 2006 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (3 results) Remarks (1 results)

  • [Journal Article] Exploration of Schedule Space by Random Walk2009

    • Author(s)
      Liangwei Ge, Song Chen and Takeshi Yoshimura
    • Journal Title

      IPSJ Transactions on System LSI Design Methodologyv Vol.2

      Pages: 0

    • Peer Reviewed
  • [Journal Article] Fixed-Outline Floorplanning: Block Position Enumeration and a New Method for Calculating Area Costs2008

    • Author(s)
      Song Chen and Takeshi Yoshimura
    • Journal Title

      IEEE Transactions on CAD Vol.27/No.5

      Pages: 858-871

    • Peer Reviewed
  • [Journal Article] Nakamura and Takeshi Yoshimura, "A Synthesis Method of General Floating-Point Arithmetic Units by Aligned Partition"2008

    • Author(s)
      Liangwei Ge, Song Chen
    • Journal Title

      IPSJ Transactions on System LSI Design Methodology Vol.1/No.1

      Pages: 67-77

    • Peer Reviewed
  • [Presentation] Lagrangian relaxation based register placement for high-performance circuits2009

    • Author(s)
      M.-F. Chiang, T. Okamoto, and T. Yoshimura
    • Organizer
      Proc. 10th International Symposium on Quality Electronic Design, San Jose, USA
    • Place of Presentation
      USA
    • Year and Date
      20090000
  • [Presentation] A Stable Fixed-Outline Floorplanning Method2007

    • Author(s)
      N.Song Chen and Takeshi Yoshimura
    • Organizer
      Proc. of International Symposium on Physical Design (ISPD 2007)
    • Year and Date
      20070000
  • [Presentation] On the Number of 3-D IC Floorplan Configurations and a Solution Perturbation Method with Good Convergence2006

    • Author(s)
      Song Chen and Takeshi Yoshimura
    • Organizer
      Proc. of IEEE Asia Pacific Conference on Circuits and Systems at Singapore (Best Paper Award)
    • Year and Date
      20060000
  • [Remarks] 上記の学会発表論文(3)が国際会議"IEEE Asia Pacific Conference on Circuits and Systems"よりBest Paper Awardを受賞した。

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Published: 2010-06-10   Modified: 2016-04-21  

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