Suppose the time to service a page fault is on the average 10 milliseconds, while a memory access takes 1 microsecond. Then a 99.99% hit ratio results in average memory access time of
Good question- I was too naive to say that. It won't happen normally, and in this question page fault occurs only during TLB miss meaning TLB hit cannot be more than 99.99%. But that can be assumed to be 100% for calculation purpose. Or we can even assume page table access time is included in the memory access time given here. http://stackoverflow.com/questions/6398811/can-a-tlb-hit-lead-to-page-fault-in-memory
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