High Performance Gpu Bayesian Image Synthesis

ALMA is a revolutionary instrument in its scientific concept, its engineering design and its organisation as a global effort. ALMA and new incoming radio-telescopes delivery big amounts of data that are useful to the sky image reconstruction. In this context, MEM is one of the most recognized reconstruction algorithms in radio-interferometry and is based on a Bayesian approach. Our results show that an GPU implementation of this algorithm on a half of and NVIDIA K80 is approximately 100 to 500 times faster than the multi-core implementation. © 2015 IEEE.