John M. Campbell
A multi-threaded version of MCFM
Campbell, John M.; Ellis, R. Keith; Giele, Walter T.
Abstract
We report on our findings modifying MCFM using OpenMP to implement multi-threading. By using OpenMP, the modified MCFM will execute on any processor, automatically adjusting to the number of available threads. We modified the integration routine VEGAS to distribute the event evaluation over the threads, while combining all events at the end of every iteration to optimize the numerical integration. Special care has been taken that the results of the Monte Carlo integration are independent of the number of threads used, to facilitate the validation of the OpenMP version of MCFM.
Citation
Campbell, J. M., Ellis, R. K., & Giele, W. T. (2015). A multi-threaded version of MCFM. The European Physical Journal C, 75(6), Article 246. https://doi.org/10.1140/epjc/s10052-015-3461-2
Journal Article Type | Article |
---|---|
Acceptance Date | May 14, 2015 |
Online Publication Date | Jun 3, 2015 |
Publication Date | Jun 3, 2015 |
Deposit Date | Jul 11, 2018 |
Publicly Available Date | Jul 17, 2018 |
Journal | European Physical Journal C: Particles and Fields |
Print ISSN | 1434-6044 |
Electronic ISSN | 1434-6052 |
Publisher | SpringerOpen |
Peer Reviewed | Peer Reviewed |
Volume | 75 |
Issue | 6 |
Article Number | 246 |
DOI | https://doi.org/10.1140/epjc/s10052-015-3461-2 |
Public URL | https://durham-repository.worktribe.com/output/1354639 |
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Copyright Statement
© The Author(s) 2015 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Funded by SCOAP3.
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