基于国产编程语言的并行水动力模型开发及初步调优

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关键词：二维水动力模型；并行计算；跨平台；Taichi编程语言中图分类号：TV131.2 文献标志码：A doi ： 10.3969/j.issn.1000-1379.2026.02.007引用格式：，，，等.基于国产编程语言的并行水动力模型开发及初步调优[J].人民黄河，2026，48（2）：41-46

Parallel Hydrodynamic Model and Preliminary Performance Tuning Based on a Domestic Programming Language

WANG Mingyang1，2， WANG Jing1，2，LI Na1，2 ，YU Qian1，²，GONG Xiaotian³ （1.China Institute of Water Resources and Hydropower Research，Beijing 1OOo38，China; 2.Research Center on Flood and Drought Disaster Reduction，MWR，Beijing 1OOO38，China; 3.Tongliao Hydrology and Water Resources Sub-Center， Tongliao O28OOO， China）

Abstract：Ahigh-peforance two-dimensionalhydrodyamicmodelFRASwasdevelopdusingthedomesticprogramminglanguageTaichi， featuringopafoallompingabilitAseltpltfibilitdsellpab ogeneous CPU-CPUandheterogeneousCPU-GPUcomputigarchitecures.Itsupprtsmultipleparalelacelerationbackends，including multi-coreCPUs，CUDA，OpenGL，Metal，andVulkan，demonstratingoutstandingcrossplatfomperformance.Inthisstudy，thetwo dimensionaldomainisdisretizedwithanustructuredmesh，andthecotiuityandmomentuequationsrenumericalldiscetizdusing thefinitevolume method.FRASwasappliedtoloodsimulationsoftheRaoyangRiverinLiaonngProvince.Comparedwiththeoriginalserial code，theparaleliplementatioachevesaspdupofupto14.7imes.Bytiiingtedataloutofvarablesomputatioalfo anceisfurtheriproedbypproximatelyiesduetoancedmmoryloalityesultinginoverallspeupofbout3O.ier preliminary optimizations.

Key words：two-dimensionalhydrodynamic model;；parallel computing；cross-platform; Taichi programming language

0 引言

在全球气候逐步变暖的趋势下，极端气候事件呈现越发频繁且严峻的态势，防洪工作所面临的挑战与日俱增。（剩余8003字）