From: DNA sequences alignment in multi-GPUs: acceleration and energy payoff
No. GPUs | Stage 1 | Stage 2 | Stage 3 | Total | Versus 2 GPUs | |
---|---|---|---|---|---|---|
Average power (watts) | GCUPS/W | |||||
4 | 101.11 W | 116.26 W | 77.27 W | 101.33 W | 0.55 | |
3 | 101.53 W | 108.16 W | 78.79 W | 101.62 W | 0.59 | |
2 | 100.30 W | 114.68 W | 76.74 W | 100.38 W | 0.57 | |
Execution time (seconds) | GCUPS | |||||
4 | 11161.92 s | 185.20 s | 14.25 s | 11361.38 s | 1.96x | 224.59 |
3 | 14719.32 s | 253.72 s | 17.70 s | 14990.76 s | 1.49x | 170.21 |
2 | 22080.04 s | 159.77 s | 23.17 s | 22262.99 s | 114.62 | |
Energy consumption (kilojoules) | Cost | |||||
4 | 1128.63 kJ | 21.53 kJ | 1.10 kJ | 4x 1151.27 kJ | 1.03x | 0.1660 € |
3 | 1494.60 kJ | 27.45 kJ | 1.40 kJ | 3x 1523.44 kJ | 1.02x | 0.1650 € |
2 | 2214.77 kJ | 18.32 kJ | 1.78 kJ | 2x 2234.88 kJ | 0.1614 € |