Smart answer:

Your search for What is cache coherence returned the following results:

to consistency in data stored in local cache memory and

Briefly, cache coherency refers to consistency in data stored in local cache memory and shared cache memory.

Source:

the discipline that ensures that the changes in the values of shared operands (data) are propagated throughout the system in a timely fashion

Cache coherence is the discipline which ensures that the changes in the values of shared operands(data) are propagated throughout the system in a timely fashion.

Source:

a protocol for managing the caches of a multiprocessor system

cache coherence is a protocol for managing the caches of a multiprocessor system.

Source:

the cache consistency

In a replicated file system, a cache-coherence protocol provides the cache consistency while caches are generally controlled by clients.

Source:

a special case of memory coherence

Cache coherence is a special case of memory coherence.

the discipline that ensures that changes in the values of shared operands are propagated throughout the system in a timely fashion

Cache coherence is the discipline which ensures that the changes in the values of shared operands are propagated throughout the system in a timely fashion.

Source:

an issue limiting the scaling of multicore processors

Cache coherency is an issue limiting the scaling of multicore processors.