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Calculation time comparisons PK,CC and MC
Calculation time (seconds)
6 MV photons onto 30
3
cm3 water phantom
Multisource treatment head modelling not included
PK
- research version of the Oncentra MasterPlan TPS (using FFT and depth interpolation)
CC
- research version of the Oncentra MasterPlan TPS
MC
- VMC++
All above use single thread on a 1.88 GHz dual core P4 processor
CC GPU
- CC implemented using CUDA on a GeForce 8800 GTX graphics card
41
Voxel
size
mm
3
Number of
voxels
10 x 10 cm
2
field
7 isocentric 10 x 10 cm
2
fields
PK MC
1%
MC
2%
CC CC
GPU
PK MC
1%
MC
2%
CC CC
GPU
1
27M 205 9934 2301 1970 35
1434 18776 4414 13790 242
2
3.4M 27 1101 299 248
4.3
190 2193 504 1736 30
3
1.0M 7.8 319
88
73
1.3
55
708 181 511
9.1
4
0.42M 4.3 145
42
31
0.5
31
333
84
217
5.6