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How important is processor cache?

I

IrishRangerWingMedic

Weaksauce
Joined
Feb 5, 2007
Messages
118
I'm quite thick when it comes to most things computer, but was wondering how important CPU cache is?

Did I read somewhere that it will become more utilised in future applications?
 
The cache is used to store data so it can be retrieved much faster.
Repetitive processes can gain a large performance boost.

A prefetch algorithm is also used to populate the cache before the next memory request is made, speeding up sequential data reads.

Cache was added to chips because its a good way to get extra performance.
Its been in use since the concept was first placed on a CPU.
Future apps will benefit from it in the same way current ones do :)

When the data being processed changes a lot, the cache is of much less use and gives minimal benefit.
 
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