demand-driven execution

demand-driven execution

[də′mand ‚driv·ən ‚ek·sə′kyü·shən]
(computer science)
A mode of carrying out a program in a data flow system in which no calculation is carried out until its results are demanded as input to another calculation. Also known as lazy evaluation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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