{
 "system": "backbone_103m",
 "split": "val",
 "checkpoint": "experiments/runs/pretrain103m_seed01_20261029232706/checkpoint",
 "checkpoint_sha256": "1f05af70bb9223b63dacb765c1816212ec828ff6e81bf8c0d6d46f33ebc77db2",
 "config_sha256": "3962409f5a94a4dcd6a9898a024ac618f1fbacb74e5f1466318b8989dcf3857b",
 "code_commit": "unknown",
 "device": "mps",
 "precision": "fp32",
 "evaluated_at": "2026-10-30T04:14:49-0400",
 "data_sha256": "d8753bdfa9609fce56a7ec2da7c108666185d021e3f921721e4d2241e1d4fe54",
 "perplexity": {
  "forced_b0": {
   "loss": 3.8746298491954803,
   "ppl": 48.16486672694994,
   "n_tokens": 327680
  },
  "forced_b1": {
   "loss": 3.8746298491954803,
   "ppl": 48.16486672694994,
   "n_tokens": 327680
  },
  "forced_b2": {
   "loss": 3.8746298491954803,
   "ppl": 48.16486672694994,
   "n_tokens": 327680
  },
  "forced_b4": {
   "loss": 3.8746298491954803,
   "ppl": 48.16486672694994,
   "n_tokens": 327680
  },
  "forced_b8": {
   "loss": 3.8746298491954803,
   "ppl": 48.16486672694994,
   "n_tokens": 327680
  }
 },
 "seconds": 38.7
}