Table 8.
Electric power consumption for nodes with up to four GPUs when running the RIB benchmark.
| CPU cores | Installed GPUs | RIB (ns/d) | Power draw (W) | Energy costs (€) | Node costs (€) | 5 yr yield (ns/k€) |
|---|---|---|---|---|---|---|
| E5‐2670v2 2 × 10 c. 2.5‐3.3 GHz (GCC 4.4.7) | – | (Node idle) | 120 | 1051 | 3360 | |
| – | 1.38 | 252 | 2208 | 3360 | 453 | |
| 780Ti | 3.3 | 519 | 4546 | 3880 | 714 | |
| 780Ti × 2 | 3.87 | 666 | 5834 | 4400 | 690 | |
| 780Ti × 3 | 4.17 | 933 | 8173 | 5430 | 559 | |
| 780Ti × 4 | 4.17 | 960 | 8410 | 5950 | 530 | |
| 980 | 3.68 | 408 | 3574 | 3780 | 914 | |
| 980 × 2 | 4.18 | 552 | 4836 | 4200 | 844 | |
| 980 × 3 | 4.2 | 696 | 6097 | 5130 | 683 | |
| 980 × 4 | 4.2 | 840 | 7358 | 5550 | 594 | |
| E5‐2680v2 2 × 10 c. 2.8‐3.6 GHz (GCC 4.8.3) | – | (Node idle) | 150 | 1314 | 4400 | |
| – | 1.86 | 446 | 3907 | 4400 | 408 | |
| 980+ | 3.99 | 6.22 | 5449 | 4850 | 707 | |
| 980+ × 2 | 4.69 | 799 | 6999 | 5300 | 696 | |
| 980+ × 3 | 4.85 | 926 | 8112 | 5750 | 638 | |
| 980+ × 4 | 4.96 | 1092 | 9566 | 6200 | 574 |
Assuming 5 years of continuous operation and a price of 0.2 € per kWh including cooling, the yield in produced trajectory per invested 1000 € is given in the last column.