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Table 6 Latency as a function of N

From: Low power reconfigurable FP-FFT core with an array of folded DA butterflies

FFT Size ( N) Latency Throughput (KS/s)
64 7 μs 119.375
128 15.56 μs 139.375
256 38.36 μs 159.843
512 87.36 μs 180.625
1,024 0.196 ms 201.601
2,048 0.435 ms 222.625
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