https://blog.crazyai.uk/tags/checkpoint/Recent content in Checkpoint on Zero to One AIHugoenSat, 22 Aug 2026 18:10:00 +0800https://blog.crazyai.uk/posts/inference-field-notes-01-the-model-file-has-no-names/Sat, 22 Aug 2026 18:10:00 +0800https://blog.crazyai.uk/posts/inference-field-notes-01-the-model-file-has-no-names/Following a TinyStories checkpoint from PyTorch export to mmap, KV cache, and token sampling in Karpathy's llama2.c.https://blog.crazyai.uk/posts/transformer-field-notes-04-live-wire-is-not-a-language/Thu, 20 Aug 2026 11:34:00 +0800https://blog.crazyai.uk/posts/transformer-field-notes-04-live-wire-is-not-a-language/The model could memorize one batch, lower validation loss, restore a checkpoint, and imitate a play—without learning honest English.