[arjvik]

Is sizecoding the same as the demoscene?

[mras0]

Size optimizing assembly code finds use in a variety of places. Demoscene for size constrained things is one of them, but also "hacking"/exploits and of course "whitehat" stuff (patches / compiler optimization etc).

[sagacity]

Relevant link to the current masters of the sizecoding niche: https://marqueedesign.demoscene.com/

[classichasclass]

You could call it a sub-scene of the demoscene, I suppose.