BENCHMARK RESULTS FOR XL300 WITH THE DEC OSF CC COMPILER USING FFTW LIBRARY




Bench mark for FFTW 
Initializing wave array for n=2097152
creating wisdom.....done
total time taken for 8 FFTs of length 2048K (in secs) : 21.899124
time per Fourier transform (in msecs) :2737.390500 
Initializing wave array for n=1048576
creating wisdom.....done
total time taken for 12 FFTs of length 1024K (in secs) : 15.032732
time per Fourier transform (in msecs) :1252.727667 
Initializing wave array for n=524288
creating wisdom.....done
total time taken for 18 FFTs of length 512K (in secs) : 9.649614
time per Fourier transform (in msecs) :536.089667 
Initializing wave array for n=262144
creating wisdom.....done
total time taken for 26 FFTs of length 256K (in secs) : 4.983134
time per Fourier transform (in msecs) :191.659000 
Initializing wave array for n=131072
creating wisdom.....done
total time taken for 38 FFTs of length 128K (in secs) : 2.683226
time per Fourier transform (in msecs) :70.611211 
Initializing wave array for n=65536
creating wisdom.....done
total time taken for 56 FFTs of length 64K (in secs) : 1.799928
time per Fourier transform (in msecs) :32.141571 
Initializing wave array for n=32768
creating wisdom.....done
total time taken for 84 FFTs of length 32K (in secs) : 1.083290
time per Fourier transform (in msecs) :12.896310 
Initializing wave array for n=16384
creating wisdom.....done
total time taken for 126 FFTs of length 16K (in secs) : 0.566644
time per Fourier transform (in msecs) :4.497175