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Fast parallel Grad-Shafranov solver for real-time equilibrium reconstruction in EAST tokamak using graphic processing unit
Huang, Yao1; Xiao, Bing-Jia1,2; Luo, Zheng-Ping1
2017-08-01
发表期刊CHINESE PHYSICS B
卷号26期号:8
摘要To achieve real-time control of tokamak plasmas, the equilibrium reconstruction has to be completed sufficiently quickly. For the case of an EAST tokamak experiment, real-time equilibrium reconstruction is generally required to provide results within 1ms. A graphic processing unit (GPU) parallel Grad-Shafranov (G-S) solver is developed in P-EFIT code, which is built with the CUDA (TM) architecture to take advantage of massively parallel GPU cores and significantly accelerate the computation. Optimization and implementation of numerical algorithms for a block tri-diagonal linear system are presented. The solver can complete a calculation within 16 mu s with 65x65 grid size and 27 mu s with 129x129 grid size, and this solver supports that P-EFIT can fulfill the time feasibility for real-time plasma control with both grid sizes.
文章类型Article
关键词Tokamak Grad-shafranov Equation Equilibrium Reconstruction Gpu Parallel Computation
WOS标题词Science & Technology ; Physical Sciences
资助者National Magnetic Confinement Fusion Research Program of China(2014GB103000) ; National Magnetic Confinement Fusion Research Program of China(2014GB103000) ; National Natural Science Foundation of China(11575245 ; National Natural Science Foundation of China(11575245 ; 11205191) ; 11205191) ; National Magnetic Confinement Fusion Research Program of China(2014GB103000) ; National Magnetic Confinement Fusion Research Program of China(2014GB103000) ; National Natural Science Foundation of China(11575245 ; National Natural Science Foundation of China(11575245 ; 11205191) ; 11205191)
DOI10.1088/1674-1056/26/8/085204
关键词[WOS]PLASMA CONTROL
收录类别SCI
语种英语
资助者National Magnetic Confinement Fusion Research Program of China(2014GB103000) ; National Magnetic Confinement Fusion Research Program of China(2014GB103000) ; National Natural Science Foundation of China(11575245 ; National Natural Science Foundation of China(11575245 ; 11205191) ; 11205191) ; National Magnetic Confinement Fusion Research Program of China(2014GB103000) ; National Magnetic Confinement Fusion Research Program of China(2014GB103000) ; National Natural Science Foundation of China(11575245 ; National Natural Science Foundation of China(11575245 ; 11205191) ; 11205191)
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000407239600004
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33581
专题中科院等离子体物理研究所
作者单位1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Sch Nucl Sci & Technol, Hefei 230027, Anhui, Peoples R China
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GB/T 7714
Huang, Yao,Xiao, Bing-Jia,Luo, Zheng-Ping. Fast parallel Grad-Shafranov solver for real-time equilibrium reconstruction in EAST tokamak using graphic processing unit[J]. CHINESE PHYSICS B,2017,26(8).
APA Huang, Yao,Xiao, Bing-Jia,&Luo, Zheng-Ping.(2017).Fast parallel Grad-Shafranov solver for real-time equilibrium reconstruction in EAST tokamak using graphic processing unit.CHINESE PHYSICS B,26(8).
MLA Huang, Yao,et al."Fast parallel Grad-Shafranov solver for real-time equilibrium reconstruction in EAST tokamak using graphic processing unit".CHINESE PHYSICS B 26.8(2017).
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