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Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(online) ISSN 0025-5718(print)

A vector implementation of the Fast Fourier Transform algorithm


Author: Bengt Fornberg
Journal: Math. Comp. 36 (1981), 189-191
MSC: Primary 68A10; Secondary 42A68
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Abstract: A recent article in this journal by D. G. Korn and J. J. Lambiotte, Jr. discusses implementations of the FFT algorithm on the CDC STAR-100 vector computer. The 'Pease'-algorithm is recommended in cases when only a few transforms can be performed simultaneously. We show how the use of a different algorithm and of trigonometric tables will lead to more than three times faster execution times. The times for large transforms increase only about 39


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DOI: http://dx.doi.org/10.1090/S0025-5718-81-99783-0
PII: S 0025-5718(81)99783-0
Article copyright: © Copyright 1981 American Mathematical Society