GCF: copy data to host in 16 streams, otherwise it is horribly slow.
GCF: copy data to host in 16 streams, otherwise it is horribly slow.

SKA-ScienceDataProcessor/RC,SKA-ScienceDataProcessor/RC,SKA-ScienceDataProcessor/RC,SKA-ScienceDataProcessor/RC,SKA-ScienceDataProcessor/RC