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Published in:
2006 | OriginalPaper | Chapter
Obtaining Identical Results on Varying Numbers of Processors in Domain Decomposed Particle Monte Carlo Simulations
Authors : N.A. Gentile, Malvin Kalos, Thomas A. Brunner
Published in: Computational Methods in Transport
Publisher: Springer Berlin Heidelberg
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Domain decomposed Monte Carlo codes, like other domain-decomposed codes, are difficult to debug. Domain decomposition is prone to error, and interactions between the domain decomposition code and the rest of the algorithm often produces subtle bugs. These bugs are particularly difficult to find in a Monte Carlo algorithm, in which the results have statistical noise. Variations in the results due to statistical noise can mask errors when comparing the results to other simulations or analytic results.