LFNRU: A New Hybridized Page Replacement Algorithm for Efficient Memory Management and its Performance Analysis
Main Article Content
Abstract
This paper introduces a new dimension to the existing page replacement algorithms. Combining the LEAST FREQUENTLY USED (LFU) and LEAST RECENTLY USED (LRU) paging algorithms we hereby present a hybridized algorithm that effectively reduces the number of page faults incurred in the former two algorithms. Basically the idea is to compare the counter values and replace the page with a lower counter count and in cases of similar counts the page that has the lesser recent reference is evicted. As we demonstrate with simulation experiments, the “LFNRU-Least Frequently Not Recently Used†algorithm surpasses the performance and efficiency of LFU, LRU, LRU-K AND RLRU page replacement algorithms. Furthermore, the LFNRU algorithm adapts in real time to changing patterns of access.
Keywords: virtual memory, buffer, frame size, LFU, LRU
Downloads
Article Details
COPYRIGHT
Submission of a manuscript implies: that the work described has not been published before, that it is not under consideration for publication elsewhere; that if and when the manuscript is accepted for publication, the authors agree to automatic transfer of the copyright to the publisher.
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgment of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgment of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work
- The journal allows the author(s) to retain publishing rights without restrictions.
- The journal allows the author(s) to hold the copyright without restrictions.