?? csdn_benchmark.txt
字號:
len fft time time/(n*log2(n)
64, 0.00000551 0.000000014342
128, 0.00000892 0.000000009961
256, 0.00001676 0.000000008185
512, 0.00003463 0.000000007516
1024, 0.00007756 0.000000007574
2048, 0.00018117 0.000000008042
4096, 0.00057088 0.000000011615
8192, 0.00126077 0.000000011839
16384, 0.00279449 0.000000012183
32768, 0.00597813 0.000000012163
65536, 0.01398614 0.000000013338
131072, 0.03831381 0.000000017195
262144, 0.50278681 0.000000106554
524288, 1.27478409 0.000000127971
1048576, 2.76363756 0.000000131781
2097152, 5.83232562 0.000000132432
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