不用#pragma loop(hint_parallel(0))需要多少时间呢,会不会也是7.5s左右。。
我没用过这个指令不是很清楚,是不是可能并行化执行循环没有起作用呢,从文档上来看某些情况下#pragma loop(hint_parallel(0))给编译器的提示不一定成功。
http://msdn.microsoft.com/zh-cn/library/hh923901.aspx
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