在并行离散事件模拟中抑制虚拟时间的粗性
G Korniss1, M A Novotny, H Guclu
1Department of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY 12180, USA. korniss@rpi.edu
弱随机相互作用稳定了并行离散事件模拟 (PDES). 这允许处理元件 (PE) 均地进行,提高了在没有全球同步的情况下在格子系统中的数据收集效率.
科学领域:
- 计算物理学的计算物理.
- 复杂系统的模拟复杂系统的模拟.
背景情况:
- 平行离散事件模拟 (PDES) 对于模拟复杂系统至关重要.
- 在格子系统中,PDES进度由卡达尔-帕里西-方程控制.
- 目前的PDES方案面临着不同的处理元素 (PE) 时间分布的挑战,这阻碍了数据收集.
研究的目的:
- 调查稳定PE在PDES进展的方法.
- 为了减少模拟时间在格子系统中的PE之间传播.
主要方法:
- 在处理元件 (PE) 之间引入弱随机相互作用.
- 分析这些相互作用对PE模拟时间标准偏差的影响.
- 利用非平衡表面增长理论中的概念.
主要成果:
- 弱随机相互作用被证明可以使PE时间分布不分歧.
- 处理元件 (PE) 实现了非零的,几乎均的进度.
- 全球同步不需要保持统一的PE进度.
结论:
- 弱随机相互作用提供了一种新的方法来提高PDES的效率.
- 这种方法克服了传统同步方案的局限性.
- 改进的PDES稳定性有助于在大规模模拟中更有效地收集数据.
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