nanoGPT speedrun
Train GPT-2 small to a fixed validation loss in as little time as possible (placeholder)
| 1 | --- |
| 2 | issue: 3 |
| 3 | status: done |
| 4 | tags: model |
| 5 | --- |
| 6 | # unet-value-embeds |
| 7 | |
| 8 | U-net skip connections and value embeddings. |
| 9 | |
| 10 | ## What happened |
| 11 | |
| 12 | - 2026-09-17: 12 minutes to 3.28 (−33 on the baseline) |
| 13 | - 2026-09-21: 10.8 minutes to 3.28 (−34.2 on the baseline) |
| 14 | |
| 15 | ## Next |
| 16 | |
| 17 | Sliding-window attention to cut the compute. |