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Wikipedia Description

In computing, memoization is an optimization technique used primarily to speed up computer programs by storing the results of expensive function calls and returning the cached result when the same inputs occur again. Memoization has also been used in other contexts (and for purposes other than speed gains), such as in simple mutually recursive descent parsing in a general top-down parsing algorithm that accommodates ambiguity and left recursion in polynomial time and space. Although related to caching, memoization refers to a specific case of this optimization, distinguishing it from forms of caching such as buffering or page replacement. In the context of some logic programming languages, memoization is also known as tabling; see also lookup table.The term "memoization" was coined by Donald Michie in 1968 and is derived from the Latin word "memorandum" ("to be remembered"), usually truncated as "memo" in the English language, and thus carries the meaning of "turning [the results of] a function into something to be remembered." While "memoization" might be confused with "memorization" (because they are etymological cognates), "memoization" has a specialized meaning in computing. https://en.wikipedia.org/wiki/Memoization

Tags
memoization, optimization

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