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Table 4 GPU computation times for dose calculations and gamma evaluations

From: Fast 3D dosimetric verifications based on an electronic portal imaging device using a GPU calculation engine

 

Volume (cm 3 )

Initialization (s)

Fluence map (s)

CCCS(s)

Gamma evaluation (s)

TERMA

CS

Resampling

Gamma calculation

Head & Neck

48 × 30 × 21.6

0.225

0.264

0.030

6.822

0.762

0.821

Lung

54 × 15 × 22.8

0.236

0.263

0.028

5.965

0.522

0.709

Prostate

40.8 × 36 × 31.8

0.231

0.266

0.054

7.324

0.804

0.847