Consider a paging system with the page table stored in memory. a. If a memory reference takes 50 nanoseconds, how long does a paged memory reference take? b. If we add TLBs, and if 75 percent of all page-table references are found in the TLBs, what is the effective memory reference time? (Assume that finding a page-table entry in the TLBS takes 2 nanoseconds, if the entry is present.)
Consider a paging system with the page table stored in memory. a. If a memory reference takes 50 nanoseconds, how long does a paged memory reference take? b. If we add TLBs, and if 75 percent of all page-table references are found in the TLBs, what is the effective memory reference time? (Assume that finding a page-table entry in the TLBS takes 2 nanoseconds, if the entry is present.)
Chapter12: Secondary Storage Management
Section: Chapter Questions
Problem 12VE
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![Consider a paging system with the page table stored in memory.
a. If a memory reference takes 50 nanoseconds, how long does a paged memory reference
take?
b.
If we add TLBs, and if 75 percent of all page-table references are found in the TLBs, what
is the effective memory reference time? (Assume that finding a page-table entry in the
TLBS takes 2 nanoseconds, if the entry is present.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9b0d42b5-3479-420b-a2e4-bea672ad5500%2F8118c591-8a4f-4a4f-92ec-92ee689614c6%2F0xwtdbo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider a paging system with the page table stored in memory.
a. If a memory reference takes 50 nanoseconds, how long does a paged memory reference
take?
b.
If we add TLBs, and if 75 percent of all page-table references are found in the TLBs, what
is the effective memory reference time? (Assume that finding a page-table entry in the
TLBS takes 2 nanoseconds, if the entry is present.)
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