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文中采用阶段并行模型（ｐｈａｓｅｐａｒａｌｅｌｍｏｄｅｌ），分析了并行ＮＡＳｂｅｎｃｈｍａｒｋｓ的结构和资源需求特征，得到了其对内存、Ｉ／Ｏ及通信的时延和带宽等需求的参数值．这些量化的参数对各类并行计算机的设计和评价具有一定的参考价值．
In this paper, phaseparalelmodel is used to analyze the structure and resource requirements of parallel NASbenchmarks. The parameter values of the requirements for memory, I / O and communication delay and bandwidth are obtained. These quantitative parameters of various types of parallel computer design and evaluation of a certain reference value.