Author name: Yash

Artificial Intelligence, data-science, Machine Learning, mathematics, rust

L2 Distance was Giving Me Wrong Answers. Here’s the Metric That Fixed it.

Yash / May 16, 2026

L2 distance told me two audio fingerprints were similar. They weren’t. The problem wasn’t my model. It was the metric.If you have not read my last blog on vector index, it will help you understand why I am doing what I am doing.Access this story for fr…

Artificial Intelligence, Machine Learning, programming, rust, vector-search

Building a Generic HNSW Index in Rust: When Cosine Distance Isn’t Enough

Yash / May 15, 2026

Every Rust ANN library I found had the same problem. None of them would let me change the distance function.I’m building OmniPulse, a content fingerprinting system that uses Wavelet Scattering Transform to identify audio. I needed to search a large ind…