Optimal replacement policy, Operating System

Assignment Help:

The optimal replacement policy, called OPT, is to evict the page which will be accessed farthest into the future. Since we can't predict the future precisely, we can't implement OPT in any real system. We can, however, run OPT on a saved trace of memory accesses, to measure how our real algorithm compares with OPT for a given trace.


Related Discussions:- Optimal replacement policy

Galvin, difference between process and thread

difference between process and thread

What are the characteristics of srs, What are the characteristics of SRS? ...

What are the characteristics of SRS? i. Correct - The SRS should be made up to date when appropriate requirements are identified. ii. Unambiguous - When the requirements are

Explain the exit (status) function, Explain the Exit (status) Function  ...

Explain the Exit (status) Function  Exit function causes the calling process to be terminated. Actually, all file descriptors are immediately closed but the process is   not

Case studies, Did Abhinav agree to the initial timeline requested by Rebecc...

Did Abhinav agree to the initial timeline requested by Rebecca

What are the methods for handling deadlocks, What are the methods for handl...

What are the methods for handling deadlocks? The deadlock problem can be dealt with in one of the three ways: a. Use a protocol to prevent or avoid deadlocks, ensuring that

Student, Explain how the os implements virtual memory phenomenon.

Explain how the os implements virtual memory phenomenon.

Define unix device driver, Define UNIX device driver The UNIX device dr...

Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half

What is a relocatable program, What is a Relocatable program? The Reloc...

What is a Relocatable program? The Relocatable programs can be loaded almost anywhere in memory.

Ubuntu shell script - linux, Task 1 description: Design and implement the ...

Task 1 description: Design and implement the disableuser.sh script. Required script functionality: disableuser.sh -v : prints the script version number and exits dis

Explain the various database applications used in linux, Question 1 Descri...

Question 1 Describe about the shells of Linux operating system Question 2 Describe briefly about GNOME desktop Question 3 Write note on the following- Encryp

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd