A system has a page size of 1KB and maintains a page table for every process in the memory. The lookup overhead associated with the page table is 500ns To reduce the overhead, the system has a Translation Lookaside Buffer (TLB) that can cache the mapping of 32 most recently referred virtual pages. Assume that a TLB lockup needs 100ns. What would be the TLB hit ratio that will ensure an average address translation time of 200ns? please help.
A system has a page size of 1KB and maintains a page table for every process in the memory. The lookup overhead associated with the page table is 500ns To reduce the overhead, the system has a Translation Lookaside Buffer (TLB) that can cache the mapping of 32 most recently referred virtual pages. Assume that a TLB lockup needs 100ns. What would be the TLB hit ratio that will ensure an average address translation time of 200ns? please help.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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A system has a page size of 1KB and maintains a page table for every process in the memory. The lookup overhead associated with the page table is 500ns To reduce the overhead, the system has a Translation Lookaside Buffer (TLB) that can cache the mapping of 32 most recently referred virtual pages. Assume that a TLB lockup needs 100ns. What would be the TLB hit ratio that will ensure an average address translation time of 200ns?
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