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pi

于 2018-04-06 发布
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说明:  使用Openmp的分别用1、2、3、4核计算π值,对比四核所用时间的关系,同时检测四核是否能工作(Openmp is used to calculate the relationship between 1 cores, 2, 3 and 4 cores, respectively, to compare the relationship between the four cores' time and check whether the four cores work.)

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