I’d say very few actually ( and I say this from the perspective of someone who used to work in hpc ). If they need to know about hw, most devs need to know abo

I’d say very few actually ( and I say this from the perspective of someone who used to work in hpc ). If they need to know about hw, most devs need to know about their primary platform, ie cpu. Gpus for general purpose computing ( I’m deliberately excluding games here, and even then it’s not obvious ) and programmed by people who don’t write ml/hpc libraries are far from ubiquitous. Yes, you want to know as much as possible ( helps debugging/zooming in on issues since you don’t need to introduce an outsider to your problem, helps avoid errors), yes you need to specialize somewhere, no you can’t know everything and often don’t need to