Fast equilibrium reconstruction for tokamak discharge control based on GPU

被引：29
|
作者：
Yue, X. N. [1 ,2 ]
Xiao, B. J. [1 ,2 ]
Luo, Z. P. [2 ]
Guo, Y. [2 ]
机构：
[1] Univ Sci & Technol China, Sch Nucl Sci & Technol, Hefei 230026, Peoples R China
[2] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
来源：
PLASMA PHYSICS AND CONTROLLED FUSION | 2013年 / 55卷 / 08期
关键词：
PLASMA SHAPE;
D O I：
10.1088/0741-3335/55/8/085016
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
A parallel code named P-EFIT which could complete an equilibrium reconstruction iteration in 220 mu s is described. It is build with the CUDA (TM) architecture. Some optimization for middle-scale matrix multiplication on graphics processing unit and an algorithm which could solve block tri-diagonal linear system efficiently in parallel is described. Benchmark test is conducted. Static test proves the correctness of the P-EFIT and simulation-test proves the feasibility of using P-EFIT for real-time reconstruction with a 65 x 65 grid.
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收藏
页数：9
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