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Parallelisation of an Interactive Fitting Algorithm

Author

Listed:
  • GILLES BERRUYER

    (European Synchrotron Radiation Facility, BP 220, F-38043, Grenoble Cedex, France)

  • ANDREW HAMMERSLEY

    (European Synchrotron Radiation Facility, BP 220, F-38043, Grenoble Cedex, France)

Abstract

The rational and suitability of implementing model fitting algorithms on vector and parallel computers are discussed. A particular maximum likelihood based algorithm for fitting of two-dimensional “Gaussian” peaks was investigated in detail and adapted to a system of four transputers. Analysis of the algorithm shows it well suited to both vectorisation and parallelisation; this result being applicable to other fitting methods. The transputer implementation gave an increase in performance (5–10 times faster) compared to the host computer, allowing the model fitting procedure to approach acceptable response times.

Suggested Citation

  • Gilles Berruyer & Andrew Hammersley, 1991. "Parallelisation of an Interactive Fitting Algorithm," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 2(01), pages 254-262.
    • Handle: RePEc:wsi:ijmpcx:v:02:y:1991:i:01:n:s0129183191000287
    DOI: 10.1142/S0129183191000287
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    Keywords

    Parallel Algorithms; Least Squares Fitting;

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