1 1 vote I read in cache Effective time = hit ratio * cache access time + miss ratio*memory access time why not in miss penalty the additional searching in cache considered i.e. Penalty = memory access time + cache access time as unnecessary we need to search cache right? CO & Architecture cache-memory + – Na462 718 views answer comment Share Follow Print See all 3 Comments 3 3 Comments reply joshi_nitish commented Oct 21, 2017 reply Follow flag accessing cache and searching cache are two different things... cache searching time is almost negligible in every case, in case of cache hit also, the cache searching time is not taken in account since it is very less, only cache access time is needed.. and the formula given above is for parallel access, for hierarchical access what you have said is correct.. 1 1 replyShare Na462 commented Oct 21, 2017 reply Follow flag and sir little more doubt how to know which of the access is used parallel or hierarchical IS Parallel default or access will be specified in the Question 0 0 replyShare joshi_nitish commented Oct 21, 2017 reply Follow flag generally specified in qsn...and i am not sir :) 1 1 replyShare Please log in or register to add a comment.
