Marcel Roed publishes *GigaToken*, a tokenizer for language models that claims a performance improvement of approximately three orders of magnitude over reference implementations. A look at what has been optimized.
Jul 23, 2026 21 3
Mitchell Hashimoto (founder of HashiCorp) signs an essay that presents a simple thesis: in the era of wide CPUs, not knowing SIMD means leaving 4× to 16× performance on the table.
Jul 23, 2026 19 3
An article from 2024, which topped Hacker News today, shows how a better-designed memory layout makes a static structure 40× faster than a binary search. The real lesson isn't the number—it's the reasoning.
Jul 19, 2026 4 1
