{
  "decision": "keep",
  "mode": "runtime",
  "reasons": [
    "delta_bpb=+0.000000",
    "delta_seconds=+0.0",
    "delta_steps=+0",
    "delta_vram_mb=+0.0",
    "exact parity with reference"
  ],
  "reference": "proxy_best_run.json",
  "reference_metrics": {
    "commit": "ace33e7",
    "decision_mode": "runtime",
    "description": "proxy_fast baseline from alphazero-proxy-lab fork on current saliencew stack",
    "eval_tokens": 65536,
    "memory_gb": 3.074,
    "num_steps": 73,
    "peak_vram_mb": 3147.4,
    "regime": "proxy_fast",
    "total_seconds": 66.0,
    "train_batch_size": 8,
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    "val_bpb": 0.862781
  },
  "run": {
    "activation_checkpointing": "disabled",
    "aspect_ratio": 64,
    "depth": 4,
    "effective_tok_per_sec": 145454.5,
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    "memory_gb": 3.074,
    "num_params_M": 11.5,
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    "peak_vram_mb": 3147.4,
    "regime": "proxy_fast",
    "total_batch_size": 131072,
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    "total_tokens_M": 9.6,
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    "val_bpb": 0.862781,
    "warmup_excluded_steps": 4
  }
}