Process-Scheduling
May 12, 2024Question 8264 – Operating-Systems
May 12, 2024Memory-Management
| Question 18 |
Consider a paging hardware with a TLB. Assume that the entire page table and all the pages are in the physical memory. It takes 10 milliseconds to search the TLB and 80 milliseconds to access the physical memory. If the TLB hit ratio is 0.6, the effective memory access time (in milliseconds) is _________.
| 122 | |
| 123 | |
| 124 | |
| 125 |
Question 18 Explanation:
Tavg = TLB access time + miss ratio of TLB × memory access time + memory access time
= 10 + 0.4 × 80 + 80
= 10 + 32 + 80
= 122 ms
= 10 + 0.4 × 80 + 80
= 10 + 32 + 80
= 122 ms
Correct Answer: A
Question 18 Explanation:
Tavg = TLB access time + miss ratio of TLB × memory access time + memory access time
= 10 + 0.4 × 80 + 80
= 10 + 32 + 80
= 122 ms
= 10 + 0.4 × 80 + 80
= 10 + 32 + 80
= 122 ms