MM5在深腾6800上的移植及其数值计算方法研究  

NUMERICAL COMPUTING METHOD OF MM5 AND THE TRANSPLANTATION ON DEEPCOMP 6800

作　　者：姜金荣[1] 迟学斌[1] 陆忠华[1] 刘洪利[2] 

机构地区：[1]中科院网络信息中心,北京100080 [2]中国气象科学研究院,北京100081

出　　处：《数值计算与计算机应用》2006年第3期210-217,共8页Journal on Numerical Methods and Computer Applications

基　　金：国家自然科学基金"当代并行机的并行算法应用基础研究(60533020)";国家973项目"高性能计算研究(2005CB321702)";国家发改委项目"基于CNGI的中国国家网格应用"资助

摘　　要：MM5是当今世界各国中短期天气及气候预测、实时预报和环境检测中使用十分广泛的数值模式,因此,如何提高软件的计算精度和计算效率是一个十分重要的问题．本文简要介绍了MM5的数值计算方法,为以后的研究提供帮助,并把MM5软件移植到深腾6800上进行并行计算．发现每当处理器增加一倍,其加速比为原来的1．5倍,可见其并行效率是较好的,值得在气象科研和业务中广泛使用．MM5 is a numerical model widely used for real-time weather forecast, middle and short-term meteorology simulation and environment monitor, A very important problem is howto improve the computing efficiency and precision. This paper briefly introduces the numerical methods of MM5 and its transplantation on Deepcomp 6800, which is hoped useful for in-depth research. The testing results show that the speedup is increased to about one and a half as the computing nodes doubled. The parallel efficiency is very well. MM5 deserves being widely used in our meteorology research and real-time forecast.

关 键 词：MM5 非流体静力学 控制方程 效率 中尺度 加速比 

分 类 号：TP311.54[自动化与计算机技术—计算机软件与理论]