. Author manuscript; available in PMC: 2018 May 7.

Published in final edited form as: Phys Med Biol. 2017 Jan 31;62(9):3682–3699. doi: 10.1088/1361-6560/aa5d43

Table 2.

Simulation time of 10⁷ carbon ions in a water phantom with different energies and computing devices. For all cases, voxel size was 1 × 1 × 1 mm³ and phantom size was 102 × 102 × 450 mm³. All time are in unit of sec, except noted otherwise.

Device	Simulation time			CPU/GPU transfer time
Device	100MeV/u	250 MeV/u	400 MeV/u	CPU/GPU transfer time
NVidia GeForce GTX TITAN GPU	11.1	68.1	162.6	0.3
AMD Radeon R9 290x GPU	9.9	60.5	125.6	0.3
NVidia GeForce GTX 1080 GPU	2.5	20.4	50.4	0.3
Intel i7-3770 CPU	245.9	1596.6	2316.2	NA
Intel XeonE5-2640 CPU	60.1	332.2	612.5	NA
Geant4, Intel i7-4770 CPU	64 h	84 h	90 h	NA