Tuesday, April 3, 2012

Cache Definition

Cache is very fast memory that is located in the processor chip. Cache is located in three levels: L1 being the fastest, L2 and L3 being the slowest.
  • L1 is usually located on the processor die itself but is limited in the amount of space that can be used.
  • L2 is more cost effective but a little slower because it is farther out from the processor die. 
  • L3 can be located either on the CPU chip or the motherboard and is larger than L2 cache.

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