A Novel Real-Time Radio Transient Imager for LWA-SV

In this paper, we describe our efforts towards the development of a real-time radio imaging correlator for
the Long-Wavelength Array station in Sevilleta, New Mexico. We briefly discuss the direct-imaging algorithm and present the architecture of the GPU implementation. We describe the code-level modifications carried out for individual modules in the algorithm that improves GPU-memory management and highlight the performance improvements achieved through it. We emphasize our ongoing efforts in tuning the overall run-time
duration of the correlator which in turn is expected to increase the operating bandwidth in order to address the demands of wide-band capability for radio transient science.


Theme – Data Processing Pipelines and Science-Ready Data