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. 2019 Jan 22;46(3):1483–1500. doi: 10.1002/mp.13370

Table 18.

Benchmark results for 5 MeV proton irradiation between Geant4‐DNA 10.02 p03 (CPU) and MPEXS‐DNA (GPU)

Geant4‐DNA MPEXS‐DNA
Initial particle Protons with kinetic energy of 5 MeV
Target size 1 × 1 × 1 μm3
Number of voxels in the target A single voxel
Throughput (the physics stage) 1155.8 615 902.2
Speedup factor 532.9
Throughput (the chemical stage) 0.265 536.04
Speedup factor 2023
Throughput (the physics and the chemical stages) 0.264 535.58
Speedup factor 2029