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在我的代码我打电话parallel_for时两次:C++ 2个TBB :: parallel_for时循环效率
parallel_for(do some stuff); // I want this operation to finish first
parallel_for(do some other stuff); // then I want to do this
1)请问这种方法创建物理线程两次?并让它变慢?
2)如果需要,最好的方法是什么将取代这两个parallel_for调用?