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core1-Duo_gcc-4.0_x32_MacOS-Snow-Leopard.md

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MacOS Snow Leopard, gcc 4.0, 32-bit, fftw 3.3 on a 1.83 GHz core 1 duo

Built with:

gcc -o test_pffft -DHAVE_FFTW -DHAVE_VECLIB -O3 -Wall -W pffft.c test_pffft.c fftpack.c -L/usr/local/lib -I/usr/local/include/ -lfftw3f -framework veclib
input len real FFTPack real vDSP real FFTW real PFFFT cplx FFTPack cplx vDSP cplx FFTW cplx PFFFT
64 745 2145 1706 2028 961 3356 3313 2300
96 877 n/a 1976 1978 1059 n/a 3333 2233
128 951 2808 2213 2279 1202 3803 3739 2494
192 1002 n/a 2456 2429 1186 n/a 3701 2508
256 1065 3205 2641 2793 1302 4013 3912 2663
384 845 n/a 2759 2499 948 n/a 3729 2504
512 900 3476 2956 2759 974 4057 3954 2645
768 910 n/a 2912 2737 975 n/a 3837 2614
1024 936 3583 3107 3009 1006 4124 3821 2697
2048 1057 3585 3091 2837 1089 3889 3701 2513
4096 1083 3524 3092 2733 1039 3617 3462 2364
8192 874 3252 2967 2363 911 3106 2789 2302
9216 898 n/a 2420 2290 865 n/a 2676 2204
16384 903 2892 2506 2421 899 3026 2797 2289
32768 965 2837 2550 2358 920 2922 2763 2240
262144 738 2422 1589 1708 610 2038 1436 1091
1048576 528 1207 845 880 606 1020 669 1036