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Effect of absorption grid resolution (dr, dz) and grid dimensions (nr, nz) on simulation time, simulating 107 photon packets in the thick homogeneous slab model. The GPU-MCML results were measured on the GTX 480 GPU
| dr and dz (cm) | nr | nz | GPU-MCML (s) | CPU-MCML (s) | Speedup |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 23.5 | 21817 | 928x |
| 0.1 | 10 | 10 | 23.2 | 22708 | 979x |
| 0.01 | 100 | 100 | 26.0 | 22624 | 870x |
| 0.001 | 1000 | 1000 | 31.5 | 22813 | 724x |
