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Sébastien Brisard edited comment on MATH-745 at 2/13/12 3:54 PM: ----------------------------------------------------------------- Thomas, have you checked how this scales with the data size? Otherwise, I can do it. was (Author: celestin): Thomas, have you checked how this scales with the data size. > up to 5x Performance Improvement on FasFourierTransformer.java by using a > recursive iterative sumation Approach > --------------------------------------------------------------------------------------------------------------- > > Key: MATH-745 > URL: https://issues.apache.org/jira/browse/MATH-745 > Project: Commons Math > Issue Type: Improvement > Affects Versions: 3.0 > Reporter: Leandro Ariel Pezzente > Labels: FFT, Fast, Fourier, Transform > Attachments: FastFourierTransformer.patch.txt > > > By swithinch form a loop iterative approach to a recursive iterative approach > on fastFourierTransformer.java a Perfomance Improvement of up to 5x is gained. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira