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Table 6 Performance summary of CuFFT, proposed methods to improve it and the new FFT algorithm

From: GPU-Based FFT Computation for Multi-Gigabit WirelessHD Baseband Processing

Method

FFT time (s)

GFLOPs

CuFFT original

7

3.29

CuFFT with all 5 enhancements

0.534

43.15

New FFT algorithm

0.459

50.20

New FFT algorithm with improvement

0.392

58.78

New FFT algorithm with improvement (2-GPU)

0.197

116.95