cache

What is cache and what should I buy ?

Caching is a technique to improve a computers performance by providing fast temporary storage between the CPU and system RAM. In typical desktop and laptop systems several layers of caching are used. The fastest cache, the L1 cache, has a small capacity but is very fast. The L1 cache connects the CPU with a second layer of cache, the L2 cache, this in turn is connected to the main system RAM or to a third level of cache, the L3 cache.
What is the best sized cache ?

Cache

Caching refers to a technique for improving system performance by providing a fast temporary memory between a fast resource, such as a CPU, and a slower resource, such as system RAM.

In practical systems several layers of caching are used. The fastest of these is the L1 cache this is integrated into the CPU chip. The L1 cache connects to the slightly slower L2 cache which in turn communicates with either the L3 cache or system RAM.

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