粒子输运非确定性模拟是高性能计算机的主要应用之一，在国民经济建设和国家安全领域具有重要作用。当前核数值模拟、核反应堆设计与航空航天等实际应用对高精度粒子输运非确定性模拟存在迫切需求，其加速方法逐步成为高性能计算领域的研究热点。针对近年来涌现的众多研究成果，首先介绍了粒子输运非确定性模拟的基本原理；其次给出粒子输运模拟程序的基本流程和伪代码；再次对软件加速方法以及基于硬件加速技术的最新研究成果进行了概述；最后基于体系结构模拟器提取的程序特征，讨论了粒子输运模拟所面临的主要挑战，并结合相关研究工作对今后的研究方向进行了展望。


Particle transport non-deterministic simulation is one of the main applications of high performance computers, and plays an important role in national economic construction and national security. Currently the nuclear numerical simulation, nuclear reactor design, aerospace and other practical applications have impending needs for high-precision particle transport non-deterministic simulation, thus its acceleration methods have become a research hotspot in the high-performance computing field. In recent years there are many different contributions to research on particle transport simulation. In this paper, the principle of particle transport non-deterministic simulation is firstly introduced. Then the basic flow and pseudocode of the particle transport simulation program is given. Subsequently, the latest software acceleration methods and the hardware acceleration methods are summarized. Finally, based on the extracted program features from the architecture simulator, the current challenges are discussed, and the future research directions based on relate research work are outlined.


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