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Execution time of the simplified version of GPU-MCML for 108 photon packets. The speedup is compared to the CPU-MCML execution time of 14418 s or ~4 h. Values in brackets were generated without tracking absorption; only reflectance and transmittance were recorded
| Platform | Simplified GPU-MCML (s) | Speedup |
|---|---|---|
| GeForce GTX 280 | 225.8 (38.3) | 64x (376x) |
| GeForce GTX 480 | 147.9 (17.5) | 97x (824x) |
