[norskeld]

When it comes to custom hash tables, I always remember this video [0] by Strager about implementing the perfect hash table and hash function. Fascinating insights and perf hints.

[0]: https://youtu.be/DMQ_HcNSOAI

[ww520]

Many videos on hash table are great. I found this one particularly good.

[https://www.youtube.com/watch?v=M2fKMP47slQ] C++Now 2018: You Can Do Better than std::unordered_map: New Improvements to Hash Table Performance