HackerTube / Video
C++Now 2018: You Can Do Better than std::unordered_map: New Improvements to Hash Table Performance
CppNow
Malte Skarupke's C++Now 2018 talk on hash table performance, explaining why std::unordered_map is slow and memory hungry and presenting faster designs, including his bytell hash map.
Recommended as a thorough, well-regarded explanation of hash table design tradeoffs and why the standard container is a poor choice.
4 Hacker News mentions · 2021–2024