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What is a processor cache?

Fresh5 days ago
Mar 15, 202614362 views
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Problem

I recently downloaded CPU-Z just to check things out, and saw a tab marked Cache on it. It shows what appears to be different memory sizes, and I have seen processors being advertised with an X sized cache. What is the function of this, and how big should it be to work well?

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Fix for: What is a processor cache?

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In a computer you have a bunch of different layers of memory, which you can imagine "nearer" or "farther" from processor. Memories near the processor are fast but small, and memories far from the processor are big but slow. The faster memory is comp…

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