Table 6.
Timing and speedup for 4 × 4 ROIs with double precision.
| Configurations | P100 | vs | Xeon E5-2620 | TITAN V | vs | Xeon E5-2620 | units |
|---|---|---|---|---|---|---|---|
| T1 | T2 | PD | T1 | T2 | PD | ||
| CPU time | 71.4±1.4 | 71.1±2.0 | 71.7±1.9 | 71.4±1.4 | 71.1±2.0 | 71.7±1.9 | ms |
| GPU time | 57.6±16.2 | 50.1±9.9 | 38.18±0.2 | 37.7±2.2 | 35.1±2.4 | 37.8±2.5 | ms |
| GLRLM Speedup | 1.2±0.3 | 1.4±0.3 | 1.9±0.1 | 1.9±0.1 | 2.0±0.2 | 1.9±0.1 | x |
| CPU time | 214.2±3.7 | 213.7±5.5 | 214.7±6.1 | 214.2±3.7 | 213.7±5.5 | 214.7±6.1 | ms |
| GPU time | 96.6±27.6 | 109.4±27.9 | 64.928±0.9 | 61.9±3.0 | 58.2±4.8 | 59.7±4.0 | ms |
| 0° feature Speedup | 2.2±0.7 | 2±0.7 | 3.3±0.1 | 3.5±0.2 | 3.7±0.3 | 3.6±0.2 | x |
| CPU time | 214.9±3.8 | 214.9±5.4 | 215.8±6.0 | 214.9±3.8 | 214.9±5.4 | 215.8±6.0 | ms |
| GPU time | 35.2±7.8 | 46.8±16.6 | 23.9±0.2 | 29.3±1.7 | 27.2±2.2 | 26.8±2.9 | ms |
| 45° feature Speedup | 6.1±1.4 | 4.6±1.7 | 9±0.3 | 7.4±0.5 | 7.9±0.9 | 8.1±0.9 | x |
| CPU time | 213.8±3.6 | 213.3±5.6 | 214.4±6.1 | 213.8±3.6 | 213.3±5.6 | 214.4±6.1 | ms |
| GPU time | 32.2±11.1 | 29.8±8.4 | 20.7±0.3 | 22.8±1.1 | 18.2±1.4 | 22.4±1.9 | ms |
| 90° feature Speedup | 6.6±2.3 | 7.2±2.1 | 10.4±0.4 | 9.4±0.5 | 11.8±1.1 | 9.6±0.9 | x |
| CPU time | 213.9±3.6 | 213.6±5.6 | 214.7±6.1 | 213.9±3.6 | 213.6±5.6 | 214.7±6.1 | ms |
| GPU time | 36.1±13.8 | 37.9±14.2 | 23.8±0.2 | 24.4±0.9 | 23.1±1.0 | 23.6±0.4 | ms |
| 135° feature Speedup | 5.9±1.9 | 5.6±2.0 | 9.0±0.3 | 8.8±0.4 | 9.3±0.5 | 8.8±1.2 | x |