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typhoon case Comparison Analysis Between Heterogeneous Many-Core and Homogenous Multicore Supercomputing Platforms

Journal of Ocean University of China 2023年第2期22卷 324-334页

作者： LIU Xin YU Xiaolin ZHAO Haoran HAN Qiqi ZHANG Jie WANG Chengzhi MA Weiwei XU Da Key Laboratory of Physical Oceanography the College of Oceanic and Atmospheric Sciences&Institute for Advanced Ocean StudyOcean University of ChinaQingdao 266100China Qilu University of Technology(Shandong Academy of Sciences) Shandong Computer Science Center(National Supercomputer Center in Jinan)Jinan 250014China Shandong Provincial Key Laboratory of Computer Networks Jinan 250014China

In this paper,a typical experiment is carried out based on a high-resolution air-sea coupled model,namely,the coupled ocean-atmosphere-wave-sediment transport(COAWST)model,on both heterogeneous many-core(SW)and homogenous multicore(Intel)supercomputing *** construct a hindcast of typhoon Lekima on both the SW and Intel platforms,compare the simulation results between these two platforms and compare the key elements of the atmospheric and ocean modules to reanalysis *** comparative experiment in this typhoon case indicates that the domestic many-core computing platform and general cluster yield almost no differences in the simulated typhoon path and intensity,and the differences in surface pressure(PSFC)in the WRF model and sea surface temperature(SST)in the short-range forecast are very small,whereas a major difference can be identified at high latitudes after the first 10 *** heat budget analysis verifies that the differences in SST after 10 days are mainly caused by shortwave radiation variations,as influenced by subsequently generated typhoons in the *** typhoons generated in the hindcast after the first 10 days attain obviously different trajectories between the two platforms.

关键词： heterogeneous many-core supercomputing platform homogenous multicore supercomputing platform comparison analysis typhoon case

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