"We're going to build a new type of database in Go" – "Are you mad?!" This was the common reaction when back in 2019, we decided to build an open-source vector database in Go. Today, Weaviate's downloads have exceeded 1.5M (at the time of writing), and we're over the moon with how far we've come. But oh boy, they were right; it was crazy indeed:

In this talk, I would like to take you on a journey of the less common and crazier parts of Go: You will learn about pure-assembly optimizations, obscure pitfalls, tricks of heap allocations, and memory management in general.