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LIRS (standard)
LIRS may refer to: * Grosseto Airport * LIRS caching algorithm LIRS (Low Inter-reference Recency Set) is a page replacement algorithm with an improved performance over cache algorithms#Least Recently Used, LRU (Least Recently Used) and many other newer replacement algorithms. This is achieved by using "reuse d ... * Lutheran Immigration and Refugee Service {{disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grosseto Airport
Grosseto Airport ( it, Aeroporto di Grosseto) is an airport in central Italy, located west of Grosseto in the Italian region of Tuscany. Although it is classified as a "joint use" facility, Grosseto Airport is primarily an Italian Air Force ( Aeronautica Militare) Base, home of the 4th Stormo, equipped with the Eurofighter Typhoon. However, the facility is used as a commercial airport by civilian charter flights and private aircraft. History During World War II the airfield, referred to as "Grosetta Main", was used by the United States Army Air Forces' Twelfth Air Force. The 86th Fighter Group flew P-47 Thunderbolts from the field between 17 September and 6 November 1944. Later, the 57th Fighter Group, used the airfield from 24 September 1944 to 29 April 1945, and later between 7 May and 15 July 1945, also flying combat operations with P-47s. The 47th Bomb Group, and its four squadrons, the 84th, 85th, 86th, and 97th, using A-20 and A-26 Attack aircraft also used the airfi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
LIRS Caching Algorithm
LIRS (Low Inter-reference Recency Set) is a page replacement algorithm with an improved performance over cache algorithms#Least Recently Used, LRU (Least Recently Used) and many other newer replacement algorithms. This is achieved by using "reuse distance" as the locality metric for dynamically ranking accessed pages to make a replacement decision. Summary Quantifying the locality While all page replacement algorithms rely on existence of Locality of reference, reference locality to function, a major difference among different replacement algorithms is on how this locality is quantified. LIRS uses reuse distance of a page, or the number of distinct pages accessed between two consecutive references of the page, to quantify locality. Specifically, LIRS uses last and second-to-last references (if any) for this purpose. If a page is accessed for the first time, its reuse distance is infinite. In contrast, LRU uses recency of a page, which is the number of distinctive pages accessed aft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
