cache

Question

what is  cache hit time  and what is cache hit latency ?  are they both same  ?

Comments

Both are same!

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yes both are same...https://en.wikipedia.org/wiki/Average_memory_access_time

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In the above link it is given tha "Hit latency (H) is the time to hit in the cache"    what is the meaning of " time to hit the cache  "   from the given three options ?   

 1.  time to hit the cache means just checking that a particular data is present in cache or not   

or   

  2.  time to hit the cache means checking that a particular data is present in cache or not plus also accessing that data from cache 

 or . 

3  time to hit cache means only time taken to access a particular  data from cache  .

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option 1