Research Article
Simulations of Complex and Microscopic Models of Cardiac Electrophysiology Powered by Multi-GPU Platforms
Table 1
Average execution time and speedup of parallel implementations for a tissue of 0.5 cm × 0.5 cm. The execution times are presented in seconds.
| Parallel implementation | Cores | Total Time | ODE time | PDE time | Speedup |
| Cluster | 1 | 137,964 | 132,590 | 5,264 | — | Cluster | 8 | 18,492 | 17,210 | 1,262 | 7.5 | Cluster | 16 | 9,922 | 9,316 | 595 | 13.9 | Cluster | 32 | 4,198 | 3,884 | 311 | 32.9 | Cluster | 64 | 2,283 | 2,087 | 191 | 60.4 |
| Multi-GPU | 64 + 16 GPUs | 401.84 | 209.4 | 187 | 343 |
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