AN IMPROVEMENT IN WRP BLOCK REPLACEMENT POLICY WITH REVIEWING AND SOLVING ITS PROBLEMS

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AKBARI BENGAR DAVOOD; JAZAYERI RAD HOSHANG; BERENJIAN GOLNAZ

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Journal Paper

Paper Information

Journal: JOURNAL OF ADVANCES IN COMPUTER RESEARCH Year:2012 | Volume:3 | Issue:4 Page(s): 67-75

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Title

AN IMPROVEMENT IN WRP BLOCK REPLACEMENT POLICY WITH REVIEWING AND SOLVING ITS PROBLEMS

Author(s)

AKBARI BENGAR DAVOOD | JAZAYERI RAD HOSHANG | BERENJIAN GOLNAZ | Issue Writer Certificate

Keywords

BLOCK REPLACEMENT POLICY

SYSTEM PERFORMANCE

MAIN MEMORY

BUFFERING SYSTEM

SPEED GAP

Abstract

One of the most important items for better file SYSTEM PERFORMANCE is efficient buffering of disk blocks in MAIN MEMORY. Efficient buffering helps to reduce the wide SPEED GAP between MAIN MEMORY and hard disks. In this BUFFERING SYSTEM, the BLOCK REPLACEMENT POLICY is one of the most important design decisions that determines which disk block should be replaced when the buffer is full. To overcome the problem of performance gap between hard disks and MAIN MEMORY, there have been lots of proposed policies. Most of these policies are the development of the Least-Recently-Used (LRU) and Least-Frequently-Used (LFU) models. WRP(Weighting Replacement Policy) is a replacement algorithm that its performance is better than the LRU and LFU. The most advantage of this model is it’s similarity to both LRU and LFU, which means it has the benefits of both. This research proposes a new BLOCK REPLACEMENT POLICY namely, DWRP (Developed Weighting Replacement Policy) which solves the problems of WRPalgorithm and retains its advantages.

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APA: Copy

AKBARI BENGAR, DAVOOD, JAZAYERI RAD, HOSHANG, & BERENJIAN, GOLNAZ. (2012). AN IMPROVEMENT IN WRP BLOCK REPLACEMENT POLICY WITH REVIEWING AND SOLVING ITS PROBLEMS. JOURNAL OF ADVANCES IN COMPUTER RESEARCH, 3(4), 67-75. SID. https://sid.ir/paper/328710/en

Vancouver: Copy

AKBARI BENGAR DAVOOD, JAZAYERI RAD HOSHANG, BERENJIAN GOLNAZ. AN IMPROVEMENT IN WRP BLOCK REPLACEMENT POLICY WITH REVIEWING AND SOLVING ITS PROBLEMS. JOURNAL OF ADVANCES IN COMPUTER RESEARCH[Internet]. 2012;3(4):67-75. Available from: https://sid.ir/paper/328710/en

IEEE: Copy

DAVOOD AKBARI BENGAR, HOSHANG JAZAYERI RAD, and GOLNAZ BERENJIAN, “AN IMPROVEMENT IN WRP BLOCK REPLACEMENT POLICY WITH REVIEWING AND SOLVING ITS PROBLEMS,” JOURNAL OF ADVANCES IN COMPUTER RESEARCH, vol. 3, no. 4, pp. 67–75, 2012, [Online]. Available: https://sid.ir/paper/328710/en

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