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Posted to issues@commons.apache.org by "Leandro Ariel Pezzente (Updated) (JIRA)" <ji...@apache.org> on 2012/02/13 02:52:59 UTC

[jira] [Updated] (MATH-745) up to 5x Performance Improvement on FasFourierTransformer.java by using a recursive iterative sumation Approach

     [ https://issues.apache.org/jira/browse/MATH-745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leandro Ariel Pezzente updated MATH-745:
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    Attachment: FastFourierTransformer.patch.txt

patch uploadad
                
> 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.

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