Lookup table computer science (1 résultats)

Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Please note that the content of this book primarily consists of articlesavailable from Wikipedia or other free sources online. In computerscience, a lookup table is a data structure, usually an array orassociative array, often used to replace a runtime computation with asimpler array indexing operation. The savings in terms of processingtime can be significant, since retrieving a value from memory is oftenfaster than undergoing an 'expensive' computation or input/outputoperation. The tables may be precalculated and stored in static programstorage or calculated as part of a programs initialization phase.…