This article is about general cache algorithms. For detailed algorithms specific to paging, see page replacement algorithm. For detailed algorithms specific to the cache between a CPU and RAM, see CPU cache.
Not to be confused with cache placement policies.
In computing, cache replacement policies (also known as cache replacement algorithms or cache algorithms) are optimizing instructions or algorithms which a computer program or hardware-maintained structure can utilize to manage a cache of information. Caching improves performance by keeping recent or often-used data items in memory locations which are faster, or computationally cheaper to access, than normal memory stores. When the cache is full, the algorithm must choose which items to discard to make room for new data.
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In computing, cachereplacementpolicies (also known as cachereplacement algorithms or cache algorithms) are optimizing instructions or algorithms which...
Cache placement policies are policies that determine where a particular memory block can be placed when it goes into a CPU cache. A block of memory cannot...
Adaptive ReplacementCache (ARC) is a page replacement algorithm with better performance than LRU (least recently used). This is accomplished by keeping...
higher level cache are also present in the lower level cache, then the lower level cache is said to be inclusive of the higher level cache. If the lower...
evict is called the replacementpolicy. The fundamental problem with any replacementpolicy is that it must predict which existing cache entry is least likely...
original (PDF) on 2016-10-19. Akanksha Jain; Calvin Lin; 2019. CacheReplacementPolicies. Morgan & Claypool Publishers. p. 45. ISBN 978-1-68173-577-1....
there are hybrids that utilize LFU concepts. Cachereplacementpolicies Memory paging Page replacement algorithm § Not frequently used Donghee Lee; Jongmoo...
A translation lookaside buffer (TLB) is a memory cache that stores the recent translations of virtual memory to physical memory. It is used to reduce...
using certain CPU instructions in lieu of a fine-grained timer to exploit cache DRAM side-channels. One countermeasure for this type of attack was presented...
virtual memory. Because of this, cachereplacementpolicies are extremely important to high-performance computing, as are cache-aware programming and data alignment...
Although the cachereplacementpolicies differ between processors, this approach overcomes the architectural differences by employing an adaptive cache eviction...
for balancing cache and program memory in Linux. A report on the implementation of the CLOCK-Pro page replacement. Advanced Page Replacement Projects established...
various parameters like cache size, associativity, replacementpolicy, etc. Cache performance depends on cache hits and cache misses, which are the factors...
verifies that the platform meets the requirements of the Launch Control Policy (LCP) set by the platform owner. LCP consists of three parts: Verifying...
is used as replacementpolicy in both caches. It is implemented using reference bit and a n-bit time stamp for each value stored in cache. When a value...
within a cache to make room for new cache entries to be allocated; controlled by a cachereplacementpolicy. Caused by a cache miss whilst a cache is already...