Post #4505 447 Sep 29, 2026, 06:48 UTC Hyperstition trained NanoGPT in 39.9 seconds. GitHub. Hyperstition Training NanoGPT in 39.9 Seconds How I brought NanoGPT training from 73.889 to 39.914 seconds with ANVIL II, sampled softmax, and sparse updates to the bigram and trigram tables. 🔥 4