Modded-NanoGPT: NanoGPT (124M) quality in 3.25B tokens
github.com
github.com
EDIT: there's a bit more info on his twitter - https://x.com/kellerjordan0
It looks like he created this optimizer. Works on 2D matrices only.
> The goal of the Hutter Prize is to encourage research in artificial intelligence (AI). The organizers believe that text compression and AI are equivalent problems.