GPU-Based Data Processing for 2-D Microwave Imaging on MAST

J. C. Chorley; R. J. Akers; K. J. Brunner; N. A. Dipper; S. J. Freethy; R. M. Sharples; V. F. Shevchenko; D. A. Thomas; R. G. L. Vann

doi:dx.doi.org/10.13182/FST15-188

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Home / Publications / Journals / Fusion Science and Technology / Volume 69 / Number 3

GPU-Based Data Processing for 2-D Microwave Imaging on MAST

J. C. Chorley, R. J. Akers, K. J. Brunner, N. A. Dipper, S. J. Freethy, R. M. Sharples, V. F. Shevchenko, D. A. Thomas, R. G. L. Vann

Fusion Science and Technology / Volume 69 / Number 3 / May 2016 / Pages 643-654

Technical Paper / dx.doi.org/10.13182/FST15-188

First Online Publication:April 7, 2016

Updated:May 3, 2016

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The Synthetic Aperture Microwave Imaging (SAMI) diagnostic is a Mega Amp Spherical Tokamak (MAST) diagnostic based at Culham Centre for Fusion Energy. The acceleration of the SAMI diagnostic data-processing code by a graphics processing unit is presented, demonstrating acceleration of up to 60 times compared to the original IDL (Interactive Data Language) data-processing code. SAMI will now be capable of intershot processing allowing pseudo-real-time control so that adjustments and optimizations can be made between shots. Additionally, for the first time the analysis of many shots will be possible.