Posted by ekr on 13 Jan 2025 I’ve been writing a lot of Rust recently, and as anyone who has learned Rust can tell you, a huge part of the process of learning Rust is learning to work within its … Read more
Do you want to learn the Odin Programming Language and demystify low-level programming? Then this book is for you. Understanding the Odin Programming Language teaches both basic and advanced concepts. You’ll learn about procedures, manual memory management, parametric polymorphism, data-oriented … Read more
This guest blog post is by Ash Vardanian, founder of Unum. He’s focused on building high-performance computing and storage systems as part of the open-source Unum Cloud project. Modern CPUs have an incredible superpower: super-scalar operations, made available through single … Read more
Imagine trying to balance thousands of spinning tops at the same time—each top representing a qubit, the fundamental building block of a quantum computer. Now imagine these tops are so sensitive that even a slight breeze, a tiny vibration, or … Read more
Nov 19, 2024 BM25, or Best Match 25, is a widely used algorithm for full text search. It is the default in Lucene/Elasticsearch and SQLite, among others. Recently, it has become common to combine full text search and vector similarity … Read more
For OpenFreeMap, I’m using servers behind Round Robin DNS. In this article, I’m trying to understand how browsers and CDNs select which one to use. Normally, when you are serving a website from a VPS like Digital Ocean or Hetzner, … Read more
Abstract:Recent advancements in Large Language Models (LLMs) have sparked interest in their formal reasoning capabilities, particularly in mathematics. The GSM8K benchmark is widely used to assess the mathematical reasoning of models on grade-school-level questions. While the performance of LLMs on … Read more
Written at 2024-09-08 Up until now, I was not aware that concurrency and parallelism were actually different things since they are often used interchangeably by some. I just learned that this is not the case while reading Chapter 9 of … Read more
You might be wondering what makes the Y combinator so special. As we said, lambda calculus doesn’t have any kind of “global symbols”, therefore a function can’t reference itself by name. Let’s go back to the factorial example in Scheme. … Read more
Creating a vector index with pgvector is straightforward – just run CREATE INDEX ON t USING hnsw(col vector_l2_ops). But what is actually going on under the hood as we run this and insert or modify data? In this article, we’ll … Read more