06:39
2026-09-12
dnhkng.substack.com
large-language-models
Teaching an M4 CPU to Tell Stories with XOR, Popcount and SDOT
A developer built a 5-layer, 512-wide TinyStories language model that runs natively on Apple's M4 CPU by treating ARM Neon instructions—including XOR, popcount, and SDOT—as trainable architectural pri…