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Issue No.04 - April (2004 vol.37)
pp: 58-65
Nimrod Megiddo , IBM Almaden Research Center
Dharmendra S. Modha , IBM Almaden Research Center
The policy of choice for managing cache memory has been to discard the least-recently-used item. LRU has consistently outperformed other policies by virtue of its simplicity and low overhead. However, an adaptive replacement cache algorithm offers a low-overhead alternative that shows substantial performance gains over LRU. ARC's online adaptation continually balances between a workload?s recency and frequency features, eliminating the need for the workload-specific pretuning that plagued many previous proposals to improve LRU. The algorithm has the additional advantage of being scan-resistant so that one-time sequential requests can pass through without polluting the cache.
Nimrod Megiddo, Dharmendra S. Modha, "Outperforming LRU with an Adaptive Replacement Cache Algorithm", Computer, vol.37, no. 4, pp. 58-65, April 2004, doi:10.1109/MC.2004.1297303
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