12518

Suitability of NVIDIA GPUs for SKA1-Low

Alessio Magro, Kristian Zarb Adami, Mike Clark, Steve Ord
Institute of Space Science and Astronomy (ISSA), University of Malta, Malta
arXiv:1407.4698 [astro-ph.IM], (17 Jul 2014)

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In this memo we investigate the applicability of NVIDIA Graphics Processing Units (GPUs) for SKA1-Low station and Central Signal Processing (CSP)-level processing. Station-level processing primarily involves generating a single station beam which will then be correlated with other beams in CSP. Fine channelisation can be performed either at the station of CSP-level, while coarse channelisation is assumed to be performed on FPGA-based Tile Processors, together with A/D conversion, equilisation and other processes. Rough estimates for number of GPUs required and power requirements will also be provided.
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