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 |