Two reasons also. Some of the fastest research supercomputers in the US have been nVIDIA based. Sitting at a national lab, it's laughable how much more support there is from nVIDIA. Getting a DGX box is easy - there is nothing comparable from AMD's side.
And the less said about Intel it's better. Smart, motivated people I know have left Argonne recently because of the Aurora shitshow.
And the less said about Intel it's better. Smart, motivated people I know have left Argonne recently because of the Aurora shitshow.