Memory timing
From Rice Wiki
Keep recently accessed data in higher levels of memory hierarchy (i.e. use better memory).
Hit or miss
Hit is when data is found in that level of memory hierarchy. Miss is the complement.
Average memory access time
Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle AMAT=t_{cache}+MR_{cache}[t_{MM}+MR_{MM}(t_{VM})] }
Note that if memory is not in main, it must be in virtual
