In: Computer Science
13. For a computer, you are given the following parameters:
Average memory access time in the absence of paging (i.e., a single physical memory access time, which is computed by considering the main memory access time and the CPU’s L1 cache): 80 ns
TLB access time: 2 ns
TLB hit ratio: 75%
Note that all PTE’s are stored in main memory. There is NO disk access. CPU’s L1 cache is the hardware cache on the CPU chip for accelerating memory accesses.
- Assuming a 1-level page table (PT), what would be the average memory access time with paging enabled? Show your work.
- Assuming a 2-level PT, what would be the average memory access time
with paging enabled? Show your work.