here is the old test result,when my Blizzard PPC challenged the Mighty Cyberstorm 233Mhz,but my Blizzard has gain another half a second not shown here.
FFTdemo
Cyberstorm PPC OS4 233MHz:
Speed test for FFT + iFFT: (float)
time needed 12632ms for 413696 samples, => .371313393115997x speed @44100Hz/stereo
Speed test for FFT + iFFT: (integer)
time needed 10801ms for 413696 samples, => .434258937835693x speed @44100Hz/stereo
Speed test for FFT + iFFT: (integer handoptimized 68K ASM)
time needed 4806ms for 413696 samples, => .975953161716461x speed @44100Hz/stereo
Blizzard PPC OS4.0 (world fastest Blizzard)
Speed test for FFT + iFFT: (float)
time needed 15359ms for 413696 samples, => .305386483669281x speed @44100Hz/stereo
Speed test for FFT + iFFT: (integer)
time needed 12910ms for 413696 samples, => .363317638635635x speed @44100Hz/stereo
Speed test for FFT + iFFT: (integer handoptimized 68K ASM)
time needed 10423ms for 413696 samples, => .450007766485214x speed @44100Hz/stereo