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缓存未命中时，内存的数据先加载到哪级缓存中

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缓存未命中时，内存的数据先加载到哪级缓存中

是从主存先加载到L3然后L2、L1，还是直接到L1，然后给寄存器


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你这问题问的我有点懵.

查找顺序肯定是 l1= l2 = l3 没有的话去内存读 然后加载到缓存
首先明白 l1的缓存是l2的一部分，l2是l3缓存的一部分 你说先加载到那块?
l3缓存是为读取l2缓存后未命中的数据设计的一种缓存

有问题你随时指出


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