水利学报2025，Vol.56Issue(6)：771-779,9.DOI:10.13243/j.cnki.slxb.20240326
基于国产CPU/GPU平台的水动力模型异构并行计算
Hydrodynamic modeling via heterogeneous parallel computing on domestic CPU/GPU platform
摘要
Abstract
Hydrodynamic models have advantages such as clear physical meaning,high precision and reliability,but they also have higher computational requirements and more need for computing power.Given the restless inter-national environment,it is necessary to develop a"multi-node,multi-GPU"heterogeneous parallel computing scheme based on domestically-produced CPU/GPUs.This study developed a"multi-node,multi-GPU"large-scale distributed hydrodynamic model on heterogeneous parallel computing platform based on domestically-produced devices,for fast solving the two-dimensional shallow water equations at the watershed scale.Through three exam-ples of increasing complexity,the accuracy,parallel efficiency,and simulation capability of large-scale models with hundreds of millions of grids were investigated.The results show that the proposed model can accurately simu-late the hydrodynamic process under conditions such as dam break and large-scale complex terrain;the parallel ac-celeration effect is significant,achieving minutes-level fast simulation of flood processes on hundreds of millions of grids.It is expected to provide independent and reliable technical support for China's flood forecasting and early warning,and provide reference for parallel computing of other hydrodynamic models such as large-scale basin models and regional groundwater models.关键词
偏微分方程求解/水动力模型/并行计算/异构计算/国产处理器/洪水模拟Key words
partial differential equations/hydrodynamic models/parallel computing/heterogeneous computing/domestic processors/flood simulation分类
建筑与水利引用本文复制引用
南统超,施睿,于春水..基于国产CPU/GPU平台的水动力模型异构并行计算[J].水利学报,2025,56(6):771-779,9.基金项目
国家自然科学基金面上项目(42472307) （42472307）
中央高校基本科研业务费项目(B240201058) （B240201058）
光合基金A类项目(202202049048) （202202049048）
