What does "cache write" mean?

The task is to count "cache writes" during some algorithm work. So what's cache write? Is it a process when data is w开发者_JS百科ritten to the cache or what?

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It should be in your lecture notes or textbook.

But yes, a cache write is when you write to the cache. One of the problems with a cache write is that in order to be in a state where you have a cache write, it means you didn't already have the data you wanted in the cache.