[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]

![karpathy Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::33836629.png) Andrej Karpathy [@karpathy](/creator/twitter/karpathy) on x 1.4M followers
Created: 2025-05-06 06:55:12 UTC

A major mistake I made in my undergrad is that I focused way too much on mathematical lens of computing - computability, decidability, asymptotic complexity etc. And too little on physical lens - energy/heat of state change, data locality, parallelism, computer architecture. The former is interesting; The latter bestows power.


XXXXXXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1919647115099451892/c:line.svg)

[Post Link](https://x.com/karpathy/status/1919647115099451892)