NIST

external memory algorithm

(algorithm)

Definition: An algorithm that is efficient when accessing most of the data is very slow, such as, on disk.

See also external sort, external memory data structure.

Note: See [Vitt01]. The external memory could be magnetic tape or even main memory if the cache is very fast.

Author: PEB


Go to the Dictionary of Algorithms and Data Structures home page.

If you have suggestions, corrections, or comments, please get in touch with Paul E. Black.

Entry modified 17 December 2004.
HTML page formatted Fri Mar 25 16:20:34 2011.

Cite this as:
Paul E. Black, "external memory algorithm", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed., U.S. National Institute of Standards and Technology. 17 December 2004. (accessed TODAY) Available from: http://www.nist.gov/dads/HTML/externalMemoryAlgo.html

to NIST home page