{ "checkpoint_id": "ckpt_20260506_202154_7000_22deff1b_9470fbb7", "created_at": "2026-05-06T20:21:54.967712", "iteration": 7000, "epoch": 0, "train_loss": 0.0, "val_loss": 0.002604849796043709, "learning_rate": 0.00013935347253250652, "model_config": { "n_layer": 4, "n_head": 4, "n_embd": 256, "vocab_size": 50257, "block_size": 1024, "dropout": 0.1, "bias": true, "initial_connections": 0.1, "connection_growth_rate": 0.05, "max_connections": 1.0 }, "training_config": { "learning_rate": 0.0002, "batch_size": 2, "max_iters": 500, "warmup_iters": 5000, "lr_decay_iters": 50000, "min_lr": 1e-05, "weight_decay": 0.1, "grad_clip": 1.0, "enable_curriculum_learning": true, "enable_introspection": true }, "data_config": { "data_dir": "data/nanecho", "batch_size": 2, "block_size": 1024 }, "metrics": { "val_loss": 0.002604849796043709, "connection_ratio": 1.0, "tokens_processed": 14336000, "training_speed_iters_per_sec": 0.07727870128731794 }, "tags": [ "phase_adaptive_mastery", "high_quality", "nanecho", "curriculum", "introspection" ], "parent_checkpoint": null, "notes": "Training checkpoint at iteration 7000 (resumed from iteration 6500) | Phase: adaptive_mastery", "file_size_mb": 251.32850551605225, "quality_score": 1075200.7791726089 }