Hacker News with Generative AI: Vector Similarity

Show HN: Hsdlib – A C Library for Vector Similarity with SIMD Acceleration (ycombinator.com)
Hsdlib is a small C library for fast vector distance and similarity calculations.
Alternatives to cosine similarity (tomhazledine.com)
Cosine similarity is the recommended way to compare vectors, but what other distance functions are there? And are any of them better?