Question D.1: Effective Access Time A computer keeps its page tables in memory. Memory access time is 100 nanoseconds (ns). Answer the following questions about the performance of this setup. Show your work. a) What is the effective access time (i.e. reading a word in memory) with no caching and a two-level page table? b) Consider the above scenario but with a TLB having a cache hit rate of 98%. If the TLB takes 20 ns to access, what is the effective access time of this setup when considering this TLB?

Enhanced Discovering Computers 2017 (Shelly Cashman Series) (MindTap Course List)
1st Edition
ISBN:9781305657458
Author:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. Campbell
Publisher:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. Campbell
Chapter6: Computing Components: Processors, Memory, The Cloud, And More
Section: Chapter Questions
Problem 21CT
icon
Related questions
Question
Question D.1: Effective Access Time
A computer keeps its page tables in memory. Memory access time is 100 nanoseconds (ns). Answer the
following questions about the performance of this setup. Show your work.
a) What is the effective access time (i.e. reading a word in memory) with no caching and a two-level page
table?
b) Consider the above scenario but with a TLB having a cache hit rate of 98%. If the TLB takes 20 ns to
access, what is the effective access time of this setup when considering this TLB?
Transcribed Image Text:Question D.1: Effective Access Time A computer keeps its page tables in memory. Memory access time is 100 nanoseconds (ns). Answer the following questions about the performance of this setup. Show your work. a) What is the effective access time (i.e. reading a word in memory) with no caching and a two-level page table? b) Consider the above scenario but with a TLB having a cache hit rate of 98%. If the TLB takes 20 ns to access, what is the effective access time of this setup when considering this TLB?
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
Recommended textbooks for you
Enhanced Discovering Computers 2017 (Shelly Cashm…
Enhanced Discovering Computers 2017 (Shelly Cashm…
Computer Science
ISBN:
9781305657458
Author:
Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. Campbell
Publisher:
Cengage Learning
Systems Architecture
Systems Architecture
Computer Science
ISBN:
9781305080195
Author:
Stephen D. Burd
Publisher:
Cengage Learning
Operations Research : Applications and Algorithms
Operations Research : Applications and Algorithms
Computer Science
ISBN:
9780534380588
Author:
Wayne L. Winston
Publisher:
Brooks Cole
Management Of Information Security
Management Of Information Security
Computer Science
ISBN:
9781337405713
Author:
WHITMAN, Michael.
Publisher:
Cengage Learning,
Principles of Information Systems (MindTap Course…
Principles of Information Systems (MindTap Course…
Computer Science
ISBN:
9781305971776
Author:
Ralph Stair, George Reynolds
Publisher:
Cengage Learning
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781305627482
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning