logoalt Hacker News

anon291 • today at 6:26 AM • 1 reply • view on HN

It's not contradictory at all. The dfa at each step of the turing machine model is also o(1).


Replies

geraneum • today at 7:05 AM

Of course it is. You’re conflating a turing machine with a transformer. Transformers don’t have a local read/write head. The [self] attention is over the whole context, which makes each step O(N) at best (with caching) and O(N^2) w/o.