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GPU-based cross-platform monte carlo proton dose calculation engine in the framework of Taichi

Nuclear Science and Techniques 2023年第5期34卷 152-162页

作者： Wei-Guang Li Cheng Chang Yao Qin Zi-Lu Wang Kai-Wen Li Li-Sheng Geng Hao Wu School of Physics Beihang UniversityBeijing 102206China Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing) Department of Radiation OncologyPeking University Cancer Hospital and Institute52 Fucheng RoadBeijing 100142China Medical Management Department CAS Ion Medical Technology Co.Ltd.Beijing 100190China Beijing Key Laboratory of Advanced Nuclear Materials and Physics Beihang UniversityBeijing 102206China School of Physics and Microelectronics Zhengzhou UniversityZhengzhou 450001China Institute of Medical Technology Peking University Health Science Center38 Xueyuan RoadBeijing 100191China

In recent years,graphics processing units(GPUs)have been applied to accelerate monte carlo(MC)simulations for proton dose calculation in ***,current GPU platforms,such as Compute Unified Device Architecture(CUDA)and Open Computing Language(OpenCL),suffer from cross-platform limitation or relatively high programming ***,the Taichi toolkit,which was developed to overcome these difficulties,has been successfully applied to high-performance numerical *** on the class II condensed history simulation scheme with various proton-nucleus interactions,we developed a GPU-accelerated MC engine for proton transport using the Taichi *** distributions in homogeneous and heterogeneous geometries were calculated for 110,160,and 200 MeV protons and were compared with those obtained by full MC simulations using *** gamma passing rates were greater than 0.99 and 0.95 with criteria of 2 mm,2%and 1 mm,1%,respectively,in all the benchmark ***,the calculation speed was at least 5800 times faster than that of TOPAS,and the number of lines of code was approximately 10 times less than those of CUDA or *** study provides a highly accurate,efficient,and easy-to-use proton dose calculation engine for fast prototyping,beamlet calculation,and education purposes.

关键词： Proton therapy monte carlo dose calculation GPU acceleration Taichi

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