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Parallelisation of an Interactive Fitting Algorithm

作     者:Berruyer, Gilles Hammersley, Andrew 

作者机构:European Synchrotron Radiat Facil F-38043 Grenoble France 

出 版 物:《INTERNATIONAL JOURNAL OF MODERN PHYSICS C》 (国际现代物理学杂志,C: 计算物理学和物理计算)

年 卷 期:1991年第2卷第1期

页      面:254-262页

核心收录:

学科分类:07[理学] 0812[工学-计算机科学与技术(可授工学、理学学位)] 0702[理学-物理学] 

主  题:Parallel Algorithms Least Squares Fitting 

摘      要: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.

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