Speaker
Description
The Australian Square Kilometre Array Pathfinder (ASKAP) is a
new generation 36-antenna 36-beam interferometer capable of producing
about 2.5 Gb/s of raw data. The data are streamed from the observatory
directly to the dedicated small cluster at the Pawsey HPC centre. The ingest
pipeline is a distributed real time software which runs on this cluster
and prepares the data for further (offline) processing by imaging and
calibration pipelines. In addition to its main functionality, it turned out
to be a valuable tool for various commissioning experiments and allowed us
to run an interim system and achieve the first scientific results much earlier.
I will review the architecture of the ingest pipeline, its role in the
overall ASKAP's design as well as the lessons learned by developing a hard
real-time application in the HPC environment.
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