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Parallelization Of The 2d Swendsen–Wang Algorithm

Author

Listed:
  • R. HACKL

    (Instit für Physik II, Universität Regensburg, Universitätsstraβe 31, 93053 Regensburg, Germany)

  • H.-G. MATUTTIS

    (Instit für Physik II, Universität Regensburg, Universitätsstraβe 31, 93053 Regensburg, Germany;
    HLRZ, c/o KFA Jüelich, Postfach 1913, D-52428 Jülich, Germany)

  • J. M. SINGER

    (Instit für Physik II, Universität Regensburg, Universitätsstraβe 31, 93053 Regensburg, Germany)

  • TH. HUSSLEIN

    (Instit für Physik II, Universität Regensburg, Universitätsstraβe 31, 93053 Regensburg, Germany)

  • I. MORGENSTERN

    (Instit für Physik II, Universität Regensburg, Universitätsstraβe 31, 93053 Regensburg, Germany)

Abstract

We implemented a parallel Swendsen–Wang algorithm for a 2D Ising system without magnetization in a host–node programming model. The simulations were performed on the Intel Hypercube IPSC/860. Our maximum number of updates/s on 32 nodes ist three times as high as in the implementation by Stauffer and Kertész on the same machine. With 32 processors we reach half the speed of the simulations by Tamayo and Flanigan on 256 nodes of a CM5. We discuss the non–equilibrium relaxation for the energy and the magnetization.

Suggested Citation

  • R. Hackl & H.-G. Matuttis & J. M. Singer & Th. Husslein & I. Morgenstern, 1993. "Parallelization Of The 2d Swendsen–Wang Algorithm," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 4(06), pages 1117-1130.
  • Handle: RePEc:wsi:ijmpcx:v:04:y:1993:i:06:n:s0129183193000872
    DOI: 10.1142/S0129183193000872
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