

He’s being down voted because both are amphetamines that have been used by militaries. His reply stating “it’s ADHD medicine” ignores that it is an amphetamine used by the US military during WW2 to keep soldiers awake for days at a time with reduced need for food.
The person corrected the original post from meth to dex. Saying “it’s ADHD medicine” in context of its military use is wrong.
I’d hoped hbm would come to CPUs as a gigantic l4 cache.
But now hbm seems to be on the decline because AI workloads need more ram than hbm can provide.