Table 2 Relationship between image resolution and FFT computation time.
From: Real-time colour hologram generation based on ray-sampling plane with multi-GPU acceleration
Image resolution [pixels] | FFT computation time by cuFFT [ms] |
|---|---|
1,024 × 1,024 | 0.229 |
2,048 × 2,048 | 0.871 |
3,072 × 3,072 | 3.292 |
4,096 × 4,096 | 3.426 |
5,120 × 5,120 | 10.799 |
6,144 × 6,144 | 15.734 |
7,168 × 7,168 | 21.437 |
8,192 × 8,192 | 13.988 |
9,216 × 9,216 | 35.229 |
10,240 × 10,240 | 43.513 |
