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Article

CFLRU: a replacement algorithm for flash memory

Authors:

Seon-yeong Park,

Joonwon LeeAuthors Info & Claims

CASES '06: Proceedings of the 2006 international conference on Compilers, architecture and synthesis for embedded systems

Pages 234 - 241

https://doi.org/10.1145/1176760.1176789

Published: 22 October 2006 Publication History

Abstract

In most operating systems which are customized for disk-based storage system, the replacement algorithm concerns only the number of memory hits. However, flash memory has different read and write cost in the aspects of time and energy so the replacement algorithm with flash memory should consider not only the hit count but also the replacement cost caused by selecting dirty victims. The replacement cost of dirty page is higher than that of clean page with regard to both access time and energy consumption. In this paper, we propose the Clean-First LRU (CFLRU) replacement algorithm that exploits the characteristics of flash memory. CFLRU splits the LRU list into the working region and the clean-first region and adopts a policy that evicts clean pages preferentially in the clean-first region until the number of page hits in the working region is preserved in a suitable level. Using the trace-driven simulation, the proposed algorithm reduces the average replacement cost by 28.4% in swap system and by 26.2% in buffer cache, compared with LRU algorithm. We also implement the CFLRU algorithm in the Linux kernel and present some optimization issues.

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Cited By

Lyons SRangaswami R(2024)To Cache or Not to CacheAlgorithms10.3390/a1707030117:7(301)Online publication date: 7-Jul-2024
https://doi.org/10.3390/a17070301
Wang PJiang HLiu YZhao ZZhou KHuang Z(2024)Beyond Belady to Attain a Seemingly Unattainable Byte Miss Ratio for Content Delivery NetworksIEEE Transactions on Parallel and Distributed Systems10.1109/TPDS.2024.345209635:11(1949-1963)Online publication date: Nov-2024
https://doi.org/10.1109/TPDS.2024.3452096
Li JCai ZGerofi BIshikawa YLiao J(2024)Page Type-Aware Full-Sequence Program Scheduling via Reinforcement Learning in High Density SSDsIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2024.344471843:11(3696-3707)Online publication date: Nov-2024
https://doi.org/10.1109/TCAD.2024.3444718
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Index Terms

CFLRU: a replacement algorithm for flash memory
1. Software and its engineering
  1. Software organization and properties
    1. Contextual software domains
      1. Operating systems
        Memory management
        Secondary storage

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Published In

cover image ACM Conferences

CASES '06: Proceedings of the 2006 international conference on Compilers, architecture and synthesis for embedded systems

October 2006

448 pages

ISBN:1595935436

DOI:10.1145/1176760

General Chairs:
Seongsoo Hong
Seoul National University
,
Wayne Wolf
Princeton University
,
Program Chairs:
Krisztian Flautner
ARM Ltd.
,
Taewhan Kim
Seoul National University

Copyright © 2006 ACM.

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 22 October 2006

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ESWEEK06

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ESWEEK06: Second Embedded Systems Week 2006

October 22 - 25, 2006

Seoul, Korea

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Overall Acceptance Rate 52 of 230 submissions, 23%

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Cited By

Lyons SRangaswami R(2024)To Cache or Not to CacheAlgorithms10.3390/a1707030117:7(301)Online publication date: 7-Jul-2024
https://doi.org/10.3390/a17070301
Wang PJiang HLiu YZhao ZZhou KHuang Z(2024)Beyond Belady to Attain a Seemingly Unattainable Byte Miss Ratio for Content Delivery NetworksIEEE Transactions on Parallel and Distributed Systems10.1109/TPDS.2024.345209635:11(1949-1963)Online publication date: Nov-2024
https://doi.org/10.1109/TPDS.2024.3452096
Li JCai ZGerofi BIshikawa YLiao J(2024)Page Type-Aware Full-Sequence Program Scheduling via Reinforcement Learning in High Density SSDsIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2024.344471843:11(3696-3707)Online publication date: Nov-2024
https://doi.org/10.1109/TCAD.2024.3444718
Sun HTong HYue YQin X(2024)LAC: A Workload Intensity-Aware Caching Scheme for High-Performance SSDsIEEE Transactions on Computers10.1109/TC.2024.338529073:7(1738-1752)Online publication date: Jul-2024
https://doi.org/10.1109/TC.2024.3385290
Wang HJin P(2024)ZoneBuffer: An Efficient Buffer Management Scheme for ZNS SSDsIEEE Computer Architecture Letters10.1109/LCA.2024.349810323:2(239-242)Online publication date: Jul-2024
https://doi.org/10.1109/LCA.2024.3498103
Papon T(2024)Enhancing Data Systems Performance by Exploiting SSD Concurrency & Asymmetry2024 IEEE 40th International Conference on Data Engineering (ICDE)10.1109/ICDE60146.2024.00454(5644-5648)Online publication date: 13-May-2024
https://doi.org/10.1109/ICDE60146.2024.00454
Cha HKim IKim T(2024)Using a random forest to predict quantized reuse distance in an SSD write bufferComputing10.1007/s00607-024-01343-5106:12(3967-3986)Online publication date: 5-Sep-2024
https://doi.org/10.1007/s00607-024-01343-5
Shin I(2023)Early Dirty Buffer Flush with Second Chance for SSDsMicromachines10.3390/mi1404079614:4(796)Online publication date: 31-Mar-2023
https://doi.org/10.3390/mi14040796
Lee BAn MLee S(2023)LRU-C: Parallelizing Database I/Os for Flash SSDsProceedings of the VLDB Endowment10.14778/3598581.359860516:9(2364-2376)Online publication date: 10-Jul-2023
https://dl.acm.org/doi/10.14778/3598581.3598605
Sha ZLi JZhang FHuang MCai ZTrahay FLiao J(2023)Visibility Graph-based Cache Management for DRAM Buffer Inside Solid-state DrivesACM Transactions on Storage10.1145/358657619:3(1-21)Online publication date: 19-Jun-2023
https://dl.acm.org/doi/10.1145/3586576
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