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least frequently used (LFU)

Least Frequently Used (LFU) is a cache algorithm with which the least frequently used memory block of a buffer memory is determined and replaced.

Cache Algorithms for Memory Management

Cache Algorithms for Memory Management

This displacement strategy isused in caches, controllers, and virtual memory management and displaces the least read entry. The LFU method does not store complete timestamps, but only a few bits

. Other displacement strategies are Least Recently Used (LRU) and Most Recently Used (MRU).

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Englisch: least frequently used - LFU
Updated at: 12.01.2017
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