Table 4.
Time and speedup for 4 × 4 ROIs.
| Configurations | P100 | vs | Xeon E5-2620 | TITAN V | vs | Xeon E5-2620 | units |
|---|---|---|---|---|---|---|---|
| Input MRI image | T1 | T2 | PD | T1 | T2 | PD | |
| CPU time (single) | 983.6±2.3 | 984.0±5.3 | 1001.6±31.9 | 983.6±2.3 | 984.0±5.3 | 1001.6±31.9 | ms |
| GPU time (single) | 261.4±47.3 | 250.1±37.1 | 157.1±2.5 | 171.5±8.9 | 167.9±9.1 | 150.4±8.2 | ms |
| Speedup (single) | 3.8±0.7 | 3.9±0.7 | 6.4±0.2 | 5.8±0.3 | 5.9±0.3 | 6.7±0.3 | x |
| CPU time (double) | 1005.3±17.8 | 1003.7±26.6 | 1009.2±28.1 | 1005.3±17.8 | 1003.7±26.6 | 1009.2±28.1 | ms |
| GPU time (double) | 270.4±43.8 | 283.1±33.8 | 177.2±1.7 | 182.5±4.3 | 168.3±9.2 | 177.2±6.6 | ms |
| Speedup (double) | 3.7±0.7 | 3.6±0.4 | 5.7±0.2 | 5.5±0.2 | 5.9±0.5 | 5.7±0.2 | x |