cs sub求助

alexzhouusUID: 2114153

请问write back和write through有什么区别???

我实在是没有弄清楚,谢谢赐教了!!!!!!!:D:D:D:D:D:D:D:D:D:D:D

yuren78UID: 2111432

Write through means that every time, you update some data in the cache, you will also write it back to the memory. It is generally considerlly more expensive.

Write back means when you update the data in the cache, you don't need to write to memory immediately. you ONLY write it back to memory when the cache is being replaced.

Serach google, you will find millions of posts.

alexzhouusUID: 2114153

Originally posted by yuren78 at 2005-11-4 21:17
Write through means that every time, you update some data in the cache, you will also write it back to the memory. It is generally considerlly more expensive.

Write back means when you update th ...

小弟看后真是茅塞顿开,太感激这位仁兄的大恩大德了!!!!:D:D:D:D:D:D:D:D:D