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Wiktionary
lookahead

n. (context computing English) The analysis in advance of subsequent decisions that would be made if a particular branch of an algorithm was followed.

Wikipedia
Lookahead

Lookahead or Look Ahead may refer to:

  • A parameter of some combinatorial search algorithms, describing how deeply the graph representing the problem is explored
  • A parameter of some parsing algorithms; the maximum number of tokens that a parser can use to decide which rule to use
  • In dynamic range compression, signal processing design to avoid compromise between slow attack rates that produce smooth-sounding gain changes, and fast attack rates capable of catching transients
  • Look-ahead (backtracking), a subprocedure that attempts to predict the effects of choosing a branching variable to evaluate or one of its values
  • Lookahead carry unit, a logical unit in digital circuit design used to decrease calculation time in adder units