pusht_smolandfast_20k / train_config.json
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{
"dataset": {
"repo_id": "lerobot/pusht",
"root": null,
"episodes": null,
"image_transforms": {
"enable": false,
"max_num_transforms": 3,
"random_order": false,
"tfs": {
"brightness": {
"weight": 1.0,
"type": "ColorJitter",
"kwargs": {
"brightness": [
0.8,
1.2
]
}
},
"contrast": {
"weight": 1.0,
"type": "ColorJitter",
"kwargs": {
"contrast": [
0.8,
1.2
]
}
},
"saturation": {
"weight": 1.0,
"type": "ColorJitter",
"kwargs": {
"saturation": [
0.5,
1.5
]
}
},
"hue": {
"weight": 1.0,
"type": "ColorJitter",
"kwargs": {
"hue": [
-0.05,
0.05
]
}
},
"sharpness": {
"weight": 1.0,
"type": "SharpnessJitter",
"kwargs": {
"sharpness": [
0.5,
1.5
]
}
}
}
},
"revision": null,
"use_imagenet_stats": true,
"video_backend": "torchcodec",
"streaming": false
},
"env": {
"type": "pusht",
"task": "PushT-v0",
"fps": 10,
"features": {
"action": {
"type": "ACTION",
"shape": [
2
]
},
"agent_pos": {
"type": "STATE",
"shape": [
2
]
},
"pixels": {
"type": "VISUAL",
"shape": [
384,
384,
3
]
}
},
"features_map": {
"action": "action",
"agent_pos": "observation.state",
"environment_state": "observation.environment_state",
"pixels": "observation.image"
},
"max_parallel_tasks": 1,
"disable_env_checker": true,
"episode_length": 300,
"obs_type": "pixels_agent_pos",
"render_mode": "rgb_array",
"visualization_width": 384,
"visualization_height": 384
},
"policy": {
"type": "smolandfast",
"n_obs_steps": 1,
"input_features": {
"observation.image": {
"type": "VISUAL",
"shape": [
3,
96,
96
]
},
"observation.state": {
"type": "STATE",
"shape": [
2
]
}
},
"output_features": {
"action": {
"type": "ACTION",
"shape": [
2
]
}
},
"device": "cuda",
"use_amp": false,
"push_to_hub": false,
"repo_id": null,
"private": null,
"tags": null,
"license": null,
"pretrained_path": null,
"chunk_size": 15,
"n_action_steps": 5,
"normalization_mapping": {
"ENV": "MIN_MAX",
"STATE": "MIN_MAX",
"ACTION": "MIN_MAX"
},
"max_decoding_steps": 512,
"fast_skip_tokens": 280,
"max_input_seq_len": 512,
"use_cache": true,
"vision_model_optimizer_lr": 0.0002,
"connector_optimizer_lr": 0.0002,
"text_model_optimizer_lr": 0.0002,
"optimizer_lr": 0.0002,
"optimizer_betas": [
0.9,
0.95
],
"optimizer_eps": 1e-08,
"optimizer_weight_decay": 0.01,
"scheduler_warmup_steps": 1000,
"scheduler_decay_steps": 30000,
"scheduler_decay_lr": 2.5e-06,
"checkpoint_path": null,
"vlm_checkpoint": "HuggingFaceTB/SmolVLM2-256M-Video-Instruct",
"precision": "float32",
"freeze_vision_encoder": true,
"freeze_connector": false,
"scale_factor": 4,
"do_image_splitting": false,
"drop_n_last_frames": 10,
"grad_clip_norm": 1.0,
"crop_shape": [
84,
84
],
"relaxed_action_decoding": true
},
"output_dir": "outputs/train/2025-10-08/16-47-56_pusht_smolandfast",
"job_name": "pusht_smolandfast",
"resume": false,
"seed": 1000,
"num_workers": 4,
"batch_size": 16,
"steps": 30000,
"eval_freq": 1000,
"log_freq": 50,
"save_checkpoint": true,
"save_freq": 10000,
"profile_step_num": -1,
"use_policy_training_preset": true,
"optimizer": {
"type": "adamw",
"lr": 0.0002,
"weight_decay": 0.01,
"grad_clip_norm": 1.0,
"betas": [
0.9,
0.95
],
"eps": 1e-08
},
"scheduler": {
"type": "cosine_decay_with_warmup",
"num_warmup_steps": 1000,
"num_decay_steps": 30000,
"peak_lr": 0.0002,
"decay_lr": 2.5e-06
},
"eval": {
"n_episodes": 64,
"batch_size": 16,
"use_async_envs": false
},
"wandb": {
"enable": true,
"disable_artifact": false,
"project": "lerobot",
"entity": null,
"notes": null,
"run_id": "2uv8odzm",
"mode": null
}
}