Using GPU to calculate electron dose for hybrid pencil beam model

Chengjun GOU; Xia LI; Qing HOU; Zhangwen WU

doi:10.13538/j.1001-8042/nst.22.349-352

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Using GPU to calculate electron dose for hybrid pencil beam model

RADIOCHEMISTRY, RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE | Updated：2021-01-29

- Using GPU to calculate electron dose for hybrid pencil beam model
- Nuclear Science and Techniques Vol. 22, Issue 6, (2011)
- Affiliations：
  
  1.Key Laboratory for Radiation Physics and Technology of Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China
- Author bio：
  
  Corresponding author. E-mail address: wuzhangwen@gmail.com
- Funds：
- DOI：10.13538/j.1001-8042/nst.22.349-352
  CLC：
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Chengjun GOU, Xia LI, Qing HOU, et al. Using GPU to calculate electron dose for hybrid pencil beam model. [J]. Nuclear Science and Techniques 22(6):349-352(2011)
DOI：

Chengjun GOU, Xia LI, Qing HOU, et al. Using GPU to calculate electron dose for hybrid pencil beam model. [J]. Nuclear Science and Techniques 22(6):349-352(2011) DOI： 10.13538/j.1001-8042/nst.22.349-352.

摘要

Abstract

Hybrid pencil beam model (HPBM) offers an efficient approach to calculate the three-dimension dose distribution from a clinical electron beam. Still, clinical radiation treatment activity desires faster treatment plan process. Our work presented the fast implementation of HPBM-based electron dose calculation using graphics processing unit (GPU). The HPBM algorithm was implemented in compute unified device architecture running on the GPU, and C running on the CPU, respectively. Several tests with various sizes of the field, beamlet and voxel were used to evaluate our implementation. On an NVIDIA GeForce GTX470 GPU card, we achieved speedup factors of 2.18 – 98.23 with acceptable accuracy, compared with the results from a Pentium E5500 2.80 GHz Dual-core CPU.

关键词

Keywords

GPUHPBMDose calculation

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