Changes between Version 25 and Version 26 of Examples/Fft2dHighpass


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Timestamp:
May 17, 2010, 8:41:01 AM (14 years ago)
Author:
Ben Lippmeier
Comment:

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  • Examples/Fft2dHighpass

    v25 v26  
    5252FFTW contains deep magic, and is comparable with vendor optimised versions. "Estimate" mode is not the most magical. The "Measure" mode of FFTW performs runtime profiling to determine the best way to do an FFT on your hardware. However, this process can require several seconds of startup time, which is why I haven't enabled it.
    5353
    54 The FFTW version also uses a precomputed wavetable of sin and cos values, but the others do not.
     54The FFTW version uses a precomputed wavetable of sin and cos values, but the others (including Jones's) do not.
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    5656