Table 1.
Tracking rates using importance grid tracking and post-collision WW tracking for the fresh fuel NuScale SMR excore problem on Summit. All simulations were run with 2.4 × 108 total histories and 1 MPI rank per GCD.
| Tracking rate (histories/s) |
|||||
|---|---|---|---|---|---|
| Arch. | Ranks | Nodes | Total | per GCD | per node |
| CPU | 1176 | 28 | 3.7 × 105 | 3.2 × 102 | 1.3 × 104 |
| GPU | 24 | 4 | 1.5 × 106 | 6.2 × 104 | 3.7 × 105 |
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