uf_find(9)
β¨ uf_find(9) β like, the union-find girlies' very own manual page β¨
okay bestie, welcome to the Kernel API Manual entry for uf_find π«Ά this is the one that goes "who's your leader, bestie?" and then shortcuts the whole friend group tree so future lookups are fast. iconic behaviour, honestly.
π NAME π
uf_find β find the root of a node and perform path compression
π SYNOPSIS π
struct uf_node * uf_find (struct uf_node *node );
πΈ ARGUMENTS πΈ
nodeβ the node you want to find the root of. that's it. that's the whole arg π
π¦ DESCRIPTION π¦
so this function returns the root of node by following the parent pointers β just vibe-checking up the chain until it hits the top, no cap.
it also performs path compression, which makes the tree shallower. yes bestie, it's giving glow-up for the data structure β flatter tree, faster future finds, everyone wins β¨
returns the root node of the set containing node. periodt.
π₯ SEE ALSO π₯
- Kernel file
./lib/union_find.c uf_union(9)
and that's the whole page, diva π this little gem lives in ./lib, dated October 2026 β go forth and compress those paths π§ββοΈβ
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms