A multi-threaded version of MCFM

被引：0
|
作者：
John M. Campbell
R. Keith Ellis
Walter T. Giele
机构：
[1] Fermilab,
来源：
The European Physical Journal C | 2015年 / 75卷
关键词：
Higgs Boson; Parallel Region; Processor Frequency; Monte Carlo Event Generator; Common Block;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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.
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