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Search for gravitational wave pulsars using efficient algorithm with GPGPU

Research Project

Project/Area Number 25800126
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionThe University of Tokyo

Principal Investigator

ITOH Yousuke  東京大学, 理学(系)研究科(研究院), 助教 (60443983)

Project Period (FY) 2013-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywords宇宙物理 / アルゴリズム / ハイパフォーマンスコンピューティング / 理論天文学 / GPGPU / 重力波検出 / データ解析 / 国際研究者交流
Outline of Final Research Achievements

We investigate possibility of reducing the computational cost in search for gravitational waves from pulsars using GPGPU. It was found that the current algorithm we use do not get any benefit from GPGPU if (financial, not computational) cost is taken into account. A KAGRA collaborator found it possible to make some suboptimal algorithm different from ours 100 times faster if using GPGPU with respect to the existing CPU code. The next step around we consider now is to widen the applicability of the suboptimal GPGPU code.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • Research Products

    (14 results)

All 2015 2014 2013

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Acknowledgement Compliant: 2 results) Presentation (11 results) (of which Invited: 4 results)

  • [Journal Article] Gravitational waves as a probe of dark matter minispikes2015

    • Author(s)
      K.Eda, Y.Itoh, S.Kuroyanagi, and J.Silk
    • Journal Title

      Physical Review D

      Volume: 91 Issue: 4 Pages: 044045-044045

    • DOI

      10.1103/physrevd.91.044045

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Improving parameter estimation accuracy with torsion-bar antennas2014

    • Author(s)
      K. Eda, A. Shoda, Y. Itoh, M. Ando
    • Journal Title

      Physical Review D

      Volume: 90 Issue: 6 Pages: 064039-064039

    • DOI

      10.1103/physrevd.90.064039

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] New Probe of Dark-Matter Properties: Gravitational Waves from an Intermediate-Mass Black Hole Embedded in a Dark-Matter Minispike2013

    • Author(s)
      K. Eda, Y. Itoh, S. Kuroyanagi and J. Silk
    • Journal Title

      Physical Review Letters

      Volume: 110 Issue: 22 Pages: 1-5

    • DOI

      10.1103/physrevlett.110.221101

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] Status and plan for Continuous gravitational Wave (CW) search for the (i)KAGRA2015

    • Author(s)
      Yousuke Itoh
    • Organizer
      3rd Annual Symposium of the Innovative Area on Multi-messenger Study of Gravitational Wave Sources
    • Place of Presentation
      広島大学(広島県東広島市)
    • Year and Date
      2015-02-19 – 2015-02-21
    • Related Report
      2014 Annual Research Report
  • [Presentation] KAGALI Coding Style Guide: Its motivation and intorduction2014

    • Author(s)
      Yousuke Itoh
    • Organizer
      Satellite meeting of the The 7th Korea-Japan Workshop on KAGRA
    • Place of Presentation
      富山大学(富山県富山市)
    • Year and Date
      2014-12-19 – 2014-12-20
    • Related Report
      2014 Annual Research Report
  • [Presentation] Status of KAGRA and gravitational wave astronomy2014

    • Author(s)
      Yousuke Itoh
    • Organizer
      2nd International Workshop on Theoretical and Computational Physics
    • Place of Presentation
      Buon Ma Thuot, Vietnam
    • Year and Date
      2014-07-28 – 2014-07-31
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] 重力波で探る巨大ブラックホールの物理量2014

    • Author(s)
      伊藤洋介
    • Organizer
      活動銀河核ワークショップ ~2020年代への展望~
    • Place of Presentation
      国立天文台(東京都三鷹市)
    • Year and Date
      2014-04-23 – 2014-04-24
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] 連続重力波探索に向けたKAGRA信号取得におけるwhitening filterとADCの最適化2014

    • Author(s)
      鳥谷仁人,神田展行,伊藤洋介,KAGRA Collaboration
    • Organizer
      日本物理学会2014年春季大会
    • Place of Presentation
      東海大学(神奈川県)
    • Related Report
      2013 Research-status Report
  • [Presentation] KAGRA Search for Continuous Gravitational Wave2013

    • Author(s)
      Yousuke Itoh
    • Organizer
      4th Japan-Korea Workshop on KAGRA
    • Place of Presentation
      大阪大学
    • Related Report
      2013 Research-status Report
  • [Presentation] Post-Newtonian equations of motion for relativistic compact binaries2013

    • Author(s)
      Yousuke Itoh
    • Organizer
      Kansai Joint Seminar on Relativity and Cosmology
    • Place of Presentation
      京都大学
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] KAGRAにおけるADCの量子化誤差の影響の見積もり2013

    • Author(s)
      鳥谷仁人,神田展行,伊藤洋介,KAGRA Collaboration
    • Organizer
      日本物理学会2013年秋季大会
    • Place of Presentation
      高知大学
    • Related Report
      2013 Research-status Report
  • [Presentation] Review & Proposal: LMXB search2013

    • Author(s)
      Yousuke Itoh
    • Organizer
      新学術領域研究隔月研究会
    • Place of Presentation
      大阪市立大学
    • Related Report
      2013 Research-status Report
  • [Presentation] Data Analysis and Data Management report for the Program Advisory Board2013

    • Author(s)
      Yousuke Itoh
    • Organizer
      KAGRA Program Advisory Board Meeting
    • Place of Presentation
      東京大学宇宙線研究所
    • Related Report
      2013 Research-status Report
  • [Presentation] 重力波実験・データ解析2013

    • Author(s)
      伊藤洋介
    • Organizer
      理論天文学宇宙物理学懇談会シンポジウム
    • Place of Presentation
      カブリ数物連携宇宙研究機構(千葉県)
    • Related Report
      2013 Research-status Report
    • Invited

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Published: 2014-07-25   Modified: 2019-07-29  

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