Cache 的write back和write through-CSDN博客网友收藏

Cache 的write back和write through-CSDN博客

Cache 的write back和write through 收藏 为了保证cache和memory的数据一致性,通常有三种方法:1〉write through:CPU向cache写入数据时,同时向memory也写一份,使cache和memory的数据保持一致。优点是简单,缺点是每次都要访问memory,速度比较......
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