arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1806.06016physics.comp-phcond-mat.stat-mechq-bio.BM
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布居退火加速分子动力学模拟

Accelerating molecular dynamics simulations with population annealing

Henrik Christiansen, Martin Weigel, Wolfhard Janke

摘要:

布居退火是大规模蒙特卡罗模拟的有力工具。我们适应这种方法的分子动力学模拟,并证明其良好的加速效果,通过模拟折叠的短肽通常用来衡量算法的性能。该方法相比,以及建立并行回火方法,并发现产生类似的性能相同的计算资源。然而,与其他方法相比,群体退火可以扩展到几乎任意数量的并行处理器,因此它是一种独特的工具,使分子动力学能够利用超级计算机中的大规模并行计算能力,这是一系列困难的计算问题所急需的。

英文摘要:

Population annealing is a powerful tool for large-scale Monte Carlo simulations. We adapt this method to molecular dynamics simulations and demonstrate its excellent accelerating effect by simulating the folding of a short peptide commonly used to gauge the performance of algorithms. The method is compared to the well established parallel tempering approach and is found to yield similar performance for the same computational resources. In contrast to other methods, however, population annealing scales to a nearly arbitrary number of parallel processors and it is thus a unique tool that enables molecular dynamics to tap into the massively parallel computing power available in supercomputers that is so much needed for a range of difficult computational problems.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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