Header-Only Gems
robin-hood-hashing
Fastest C++ hash map. Robin Hood open addressing, much faster than std::unordered_map for most workloads. Single-header, drop-in replacement.
hash mapopen addressingrobin hoodflat mapsingle header
Fastest C++ hash map. Robin Hood open addressing, much faster than std::unordered_map for most workloads. Single-header, drop-in replacement.