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. Author manuscript; available in PMC: 2020 Mar 2.
Published in final edited form as: Phys Med Biol. 2019 Nov 4;64(21):215020. doi: 10.1088/1361-6560/ab467f

Table 3.

Summary of the computation for calculating the average speedup of the GPU-based MC tool proposed in this study over an existing non-parallelized MC tool based on Penelope.

Average execution time (s) Histories simulated Standard error
MC-GPU ~23.8 ~4.3 × 108 ≤1%
Penelope ~16 616 ~4.3 × 108 ≤1%