Published August 2013 | Version v1
Journal article Metadata-only

Fast equilibrium reconstruction for tokamak discharge control based on GPU

Creators

  • 1. School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230026 (China)
  • 2. Institute of Plasma Physics, Chinese Academy of Science, Hefei 230031 (China)

Description

A parallel code named P-EFIT which could complete an equilibrium reconstruction iteration in 220 µs is described. It is build with the CUDA™ 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 × 65 grid. (paper)

Availability note (English)

Available from http://dx.doi.org/10.1088/0741-3335/55/8/085016

Additional details

Identifiers

DOI
10.1088/0741-3335/55/8/085016;

Publishing Information

Journal Title
Plasma Physics and Controlled Fusion
Journal Volume
55
Journal Issue
8
Journal Page Range
[9 p.]
ISSN
0741-3335
CODEN
PPCFET

Conference

Title
Addressing the disruption challenge for ITER
Acronym
17. workshop on MHD stability Control
Dates
5-7 Nov 2012
Place
New York, NY (United States)

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
44081031
Subject category
S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ALGORITHMS; BENCHMARKS; CONTROL; ELECTRIC DISCHARGES; EQUILIBRIUM; IMAGE PROCESSING; OPTIMIZATION; PARALLEL PROCESSING; REAL TIME SYSTEMS; TOKAMAK DEVICES
Descriptors DEC
CLOSED PLASMA DEVICES; MATHEMATICAL LOGIC; PROCESSING; PROGRAMMING; THERMONUCLEAR DEVICES