##  [Cache Coherence Protocol](/cache-coherence-protocol) 

  ##  [Cache Coherence Protocol](https://natural.quantumdictionary.io/cache-coherence-protocol-0) 

  

 [![Natural & Formal Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Natural%20%26%20Formal%20Sciences.png.webp?itok=2kCDRVQv)](/topic-specific-dictionaries/natural-formal-sciences)



**Natural & Formal Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A mechanism and set of rules that ensure multiple cached copies of shared memory locations in a multiprocessor or multicore system remain mutually consistent according to the chosen memory and coherence model, so that reads and writes behave predictably across caches.