CPU Cache

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Someone mentioned the phrase "CPU cache". What does this mean?

CPU Cache

The “CPU cache” is a term that is often discussed in regards to computers. Having the right amount of CPU cache will help to speed up your computer.

Basically the CPU cache functions to store data that the CPU frequently requests. By doing so, the CPU will not have to got through the more lengthy process of requesting information from the main memory and sending it through the memory bus.

CPUs use a Level 2 cache system in which data that has not been requested as often will be stored at this level. The Level 2 cache is not as fast as a Level 1 cache, but it is faster than have the computer request information through main memory.

   

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