From my reading 0.5g/watt sounds like a normal yield with 1g/watt being outstanding. and if i understand correctly its watts at the wall not the advertised watt equivalent
https://www.growweedeasy.com/1-gram-per-watt
and for all you DIY'ers out there, it gives a good idea of the horse power needed
http://ledgardener.com/diy-led-strip...ung-bridgelux/
I have to admit that I was surprised on how technical the "pot heads" can get
