The latest official release of FFTW is version 3.2.1, available from our download page see the release notes for what s new. (Subscribe to the fftw-announce mailing list to get release announcements.) This release has better threading support, f

The latest official release of FFTW is version 3.2.1, available fro ter transforms for non-power-of-two sizes with factors of 5 and 10 support for Cell processors (see the FFTW for Cell page).