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电子工程专辑
3 年
万字整理内存管理之Cache
我们将这个过程可以表示如下: 其实现实中,CPU通用寄存器的速度和主存之间存在着太大的差异。两者之间的速度大致如下关系: CPU register的速度一般小于1ns,主存的速度一般是65ns左右。速度差异近百倍。在硬件上,我们将cache放置在CPU和主存之间,作为主存 ...
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