Parallel implementation of a numerical method for solving a three-dimensional transport equation for a mesoscale meteorological model

D V Leshchinskiy; A V Starchenko; E A Danilkin; S A Prohanov

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Parallel implementation of a numerical method for solving a three-dimensional transport equation for a mesoscale meteorological model

机译：用于求解Messcale气象模型的三维传输方程的数值方法的平行实现

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摘要

A parallel algorithm for numerical solution of a generalized unsteady 3-dimensional advection-diffusion equation for a mesoscale meteorological model is considered. Efficiency of parallel implementations of the solver with Message Passing Interface (MPI), Open Multi-Processing (OpenMP), and NVidia Compute Unified Device Architecture (CUDA) technologies was compared. It was shown that on the mesh of 25625632 nodes the speedup of the program reaches 18 for OpenMP and MPI implementations and 38 for CUDA.

机译：考虑了一种平行的用于MESCLE气象模型的广义不稳定三维平流扩散方程的数值解。对具有消息传递接口（MPI）的求解器的平行实施效率进行了比较，打开多处理（OPENMP）和NVIDIA计算统一设备架构（CUDA）技术。结果表明，在25625632节点的网格上，程序的加速对于OpenMP和MPI实现和38用于CUDA。

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《Procedia Computer Science》 |2020年第5期|共8页
作者
D V Leshchinskiy; A V Starchenko; E A Danilkin; S A Prohanov;
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Numerical methodparallel computingtransport equationOpenMPMPICUDA;

机译：数值替换ComputingTransport EquationOpenMpmpicuda;

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Parallel implementation of a numerical method for solving a three-dimensional transport equation for a mesoscale meteorological model

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