Saint Sebastian Tended by Saint Irene Sebastian as a mature if not elderly man. But almost invariably artists continued to show the saint as a young man, rather sensuously depicted, and with as little clothing as in the earlier paintings. Irene, the widow of a mature martyr in her legend, also tends to be painted as young and beautiful. The subject, especially in the depictions where Sebastian has been got clear of his post or tree, has clear similarities to two other scenes from secular Italian epic romances: Angelica and Medoro from "Orlando Furioso" by Ludovico Ariosto (1516) and Erminia and Tancredi from "Gerusalemme liberata" by
Least frequently used even though it will not be used again for a decent amount of time. This leaves other blocks which may actually be used more frequently susceptible to purging simply because they were accessed through a different method. Moreover, new items that just entered the cache are subject to being removed very soon again, because they start with a low counter, even though they might be used very frequently after that. Due to major issues like these, a pure LFU system is fairly uncommon; instead, there are hybrids that utilize LFU concepts. Least frequently used Least Frequently Used (LFU) is a