Post #25116 29 May 3, 2026, 11:23 UTC When to actually use a sethttps://dubeykartikay.com/posts/why-never-use-std-unordered-set/https://redd.it/1t2im2j@r_cpp Kartikay Dubey's Blog Why You Should Never Use a set: C++ Memory Costs A benchmark-backed look at why std::unordered_set can lose badly to bitsets and contiguous memory in hot C++ loops, and when a hash set is still the right tool.