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{
  "action": {
    "environment_dim": 7,
    "horizon": 8,
    "representation": "LIBERO 7-D delta EEF (xyz, rotation, gripper)"
  },
  "benchmark": "libero_plus",
  "data": {
    "action_codec": {
      "continuous": "dims 0-5 z-score, mean/std over all 273,465 real frames (float64, ddof 0)",
      "decode_clip": false,
      "encode_clamp_sigma": 12.0,
      "gripper_decode": ">= 0 -> +1, else -1",
      "gripper_target": "+-1 (raw > 0.5 -> +1 close, else -1 open)",
      "statistics": "codec_statistics.json",
      "version": "reswam-libero-delta-eef-zscore6-binary-gripper-pm1-v1"
    }
  },
  "dataset": {
    "demonstrations_only": true,
    "end_of_episode_padding": {
      "action_mask": "all ones (padded slots supervised)",
      "action_past_end": "dims 0-5 zero delta (delta-EEF neutral action); gripper holds the last real value",
      "expected_padded_action_slots": 47404,
      "window_starts": "every real frame s in [0, L-1]",
      "world_future_frame": "t+8 clamps to the last real frame"
    },
    "expected_episodes": 1693,
    "expected_frames": 273465,
    "expected_legal_windows": 259921,
    "expected_padded_windows": 273465,
    "expected_tasks": 40,
    "sampling": "uniform_every_frame_windows_end_padded_then_distributed_shuffle",
    "source_repo": "physical-intelligence/libero",
    "suites": [
      "libero_spatial",
      "libero_object",
      "libero_goal",
      "libero_10"
    ],
    "task_balanced": false
  },
  "evaluation": {
    "action_horizon": 8,
    "benchmark_variant": "libero_plus",
    "replan_interval": 8,
    "seed": 0,
    "suites": [
      "libero_spatial",
      "libero_object",
      "libero_goal",
      "libero_10"
    ],
    "total_episodes": 10030,
    "trials_per_task": 1
  },
  "flow": {
    "action_noise": "independent_gaussian",
    "action_tau": "independent_uniform",
    "inference": {
      "rounds": 10,
      "solver": "synchronous_jacobi_euler",
      "synchronous_commit": true
    },
    "primary_noise": "independent_gaussian",
    "world_tau": "independent_uniform"
  },
  "loss": {
    "action": 1.0,
    "primary_residual": 0.5
  },
  "model": {
    "architecture": "Qwen3_5ForConditionalGeneration",
    "backbone_parameter_count": 1755487104,
    "dino": {
      "architecture": "DINOv3-B/16",
      "blocks": 12,
      "combine": "arithmetic_mean",
      "frozen": true,
      "image_size": 256,
      "model_id": "facebook/dinov3-vitb16-pretrain-lvd1689m",
      "output_grid": [
        8,
        8
      ],
      "patch_size": 16,
      "remove_cls_and_register": true,
      "selected_blocks": [
        8,
        10
      ],
      "spatial_pool": "2x2",
      "tokens_per_view": 64
    },
    "dino_parameter_count": 85660416,
    "expert": {
      "ffn_dim": 4096,
      "heads": 16,
      "hidden_dim": 1024,
      "joint_depth": 12,
      "parameter_streams": [
        "action",
        "primary_world"
      ],
      "use_state_null_tokens": true
    },
    "expert_parameter_count": 493578759,
    "repo": "Alibaba-DAMO-Academy/RynnBrain1.1-2B",
    "system_parameter_count": 2334726279,
    "text_hidden_size": 2048,
    "text_layers": 16,
    "trainable_parameter_count": 2249065863,
    "vision_hidden_size": 1024,
    "vision_layers": 24,
    "vision_output_size": 2048
  },
  "optimizer": {
    "betas": [
      0.9,
      0.95
    ],
    "expert_min_lr": 1e-05,
    "expert_peak_lr": 0.0001,
    "vlm_min_lr": 1e-06,
    "vlm_peak_lr": 1e-05,
    "weight_decay": 1e-08
  },
  "schema_version": "reswam-libero-config-v1",
  "state": {
    "clamp_sigma": 10.0,
    "dropout": {
      "probability": 0.3,
      "replacement": "learned null tokens state_null [1,11,dim]",
      "unit": "per sample (all 11 tokens)"
    },
    "features": [
      "eef_x",
      "eef_y",
      "eef_z",
      "rot_c0_x",
      "rot_c0_y",
      "rot_c0_z",
      "rot_c1_x",
      "rot_c1_y",
      "rot_c1_z",
      "finger_left",
      "finger_right"
    ],
    "featurization": "reswam-libero-state11-xyz-rot6d-fingers2-v1",
    "normalization": "z-score over all 273,465 real frames (float64, ddof 0); clamp +-10 sigma",
    "raw_layout": "eef xyz, axis-angle(robot0_eef_quat), robot0_gripper_qpos x2",
    "statistics": "codec_statistics.json"
  },
  "training": {
    "fsdp": "FULL_SHARD",
    "global_batch": 256,
    "gradient_accumulation": 4,
    "per_gpu_microbatch": 32,
    "precision": "bfloat16",
    "seed": 20260830,
    "world_size": 2
  },
  "world": {
    "policy_context_views": [
      "primary",
      "wrist"
    ],
    "state_views": [
      "primary"
    ],
    "target": "LN(DINO_blocks8_10_mean_pool2x2(o_t+8))-LN(DINO_blocks8_10_mean_pool2x2(o_t))",
    "target_offset": 8
  }
}