Description: Because cache than main memory small many, to guarantee CPU implementation instruction can correct access storage unit, required will user program in the of logic address conversion for run Shi by machine directly addressing of physical address, this a process called address map, so must using a mechanism will main memory address positioning to cache in the, on constitute has address map, because demand different, also on led has different of address map way, main has directly map, and group phase joint map, and full phase joint map three species address map way
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Cache and main memory.doc
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