GeeksforGeeks » Operating Systems
memory miss vs. cache miss
(2 posts)-
if we consider a page existing in memory then on a CPU cache miss ,for co-processors sharing multiple levels of caching (not involving there local caches) what is the exact procedure to avail that page to CPU?
1. the page has to travel up through all shared level caches and then made available to CPU or
2. page from main memory directly goes to local cache and then cache levels are updated -
2
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