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This item is from the PC Hardware FAQ, by Willie Lim and Ralph Valentino with numerous contributions by others. (v1.25).

2.31 Which is the best cache policy, write-through or "write-back?"

[From: cls@truffula.sj.ca.us (Cameron L. Spitzer)]

For most applications, copy-back gives better performance than write-through. The amount of win will depend on your application and may not be significant. Write-through is simpler, but not by much any more.

 

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