Applying graphics processor units to Monte Carlo dose calculation in radiation therapy | Zendy

M. Reza Bakhtiari | Zendy; H Malhotra | Zendy; MD Jones | Zendy; Vipin Chaudhary | Zendy; J.L. Walters | Zendy; D Nazareth | Zendy

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Applying graphics processor units to Monte Carlo dose calculation in radiation therapy

Author(s) -

M. Reza Bakhtiari,

H Malhotra,

MD Jones,

Vipin Chaudhary,

J.L. Walters,

D Nazareth

Publication year - 2010

Publication title -

journal of medical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.292

H-Index - 24

eISSN - 1998-3913

pISSN - 0971-6203

DOI - 10.4103/0971-6203.62198

Subject(s) - monte carlo method , graphics processing unit , graphics , computer science , acceleration , computational science , central processing unit , general purpose computing on graphics processing units , parallel computing , computer graphics , computer graphics (images) , physics , computer hardware , mathematics , statistics , classical mechanics

We investigate the potential in using of using a graphics processor unit (GPU) for Monte-Carlo (MC)-based radiation dose calculations. The percent depth dose (PDD) of photons in a medium with known absorption and scattering coefficients is computed using a MC simulation running on both a standard CPU and a GPU. We demonstrate that the GPU's capability for massive parallel processing provides a significant acceleration in the MC calculation, and offers a significant advantage for distributed stochastic simulations on a single computer. Harnessing this potential of GPUs will help in the early adoption of MC for routine planning in a clinical environment.

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