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- Noh, Sam H.
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Implementation and performance evaluation of the LRFU replacement policy
- Author(s)
- Lee, Donghee, Choi, Jongmoo, Choe, Honggi, Noh, Sam H., Min, Sang Lyul, Cho, Yookun
- Issued Date
- 1997-09-01
- Citation
- Proceedings of the 1997 23rd Euromicro Conference, pp.106 - 111
- Abstract
- Recently, a new block replacement policy called the LRFU (Least Recently/Frequently Used) policy was proposed that subsumes both the LRU and LFU policies, and provides a spectrum of replacement policies between them. In this paper, we describe an implementation of the LRFU replacement policy in the FreeBSD 2.1.5 and present a performance evaluation of the implementation using the SPEC SDET benchmark. The results show that the new policy gives up to a 30% performance improvement over the LRU block replacement policy.
- Publisher
- Proceedings of the 1997 23rd Euromicro Conference
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