Upload policy weights, train config and readme

README.md

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+---
+datasets: HuggingFaceVLA/libero
+library_name: lerobot
+license: apache-2.0
+model_name: smolvlafast
+pipeline_tag: robotics
+tags:
+- lerobot
+- smolvlafast
+- robotics
+---
+
+# Model Card for smolvlafast
+
+<!-- Provide a quick summary of what the model is/does. -->
+
+
+_Model type not recognized — please update this template._
+
+
+This policy has been trained and pushed to the Hub using [LeRobot](https://github.com/huggingface/lerobot).
+See the full documentation at [LeRobot Docs](https://huggingface.co/docs/lerobot/index).
+
+---
+
+## How to Get Started with the Model
+
+For a complete walkthrough, see the [training guide](https://huggingface.co/docs/lerobot/il_robots#train-a-policy).
+Below is the short version on how to train and run inference/eval:
+
+### Train from scratch
+
+```bash
+lerobot-train \
+  --dataset.repo_id=${HF_USER}/<dataset> \
+  --policy.type=act \
+  --output_dir=outputs/train/<desired_policy_repo_id> \
+  --job_name=lerobot_training \
+  --policy.device=cuda \
+  --policy.repo_id=${HF_USER}/<desired_policy_repo_id>
+  --wandb.enable=true
+```
+
+_Writes checkpoints to `outputs/train/<desired_policy_repo_id>/checkpoints/`._
+
+### Evaluate the policy/run inference
+
+```bash
+lerobot-record \
+  --robot.type=so100_follower \
+  --dataset.repo_id=<hf_user>/eval_<dataset> \
+  --policy.path=<hf_user>/<desired_policy_repo_id> \
+  --episodes=10
+```
+
+Prefix the dataset repo with **eval\_** and supply `--policy.path` pointing to a local or hub checkpoint.
+
+---
+
+## Model Details
+
+- **License:** apache-2.0

config.json

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+{
+    "type": "smolvlafast",
+    "n_obs_steps": 1,
+    "input_features": {
+        "observation.images.image": {
+            "type": "VISUAL",
+            "shape": [
+                3,
+                256,
+                256
+            ]
+        },
+        "observation.images.image2": {
+            "type": "VISUAL",
+            "shape": [
+                3,
+                256,
+                256
+            ]
+        },
+        "observation.state": {
+            "type": "STATE",
+            "shape": [
+                8
+            ]
+        }
+    },
+    "output_features": {
+        "action": {
+            "type": "ACTION",
+            "shape": [
+                7
+            ]
+        }
+    },
+    "device": "cuda",
+    "use_amp": false,
+    "use_peft": false,
+    "push_to_hub": true,
+    "repo_id": "smolvla_fast_lr_1e-4_chunk1_max_act_dim7",
+    "private": null,
+    "tags": null,
+    "license": null,
+    "pretrained_path": null,
+    "use_proprio": true,
+    "chunk_size": 1,
+    "n_action_steps": 1,
+    "normalization_mapping": {
+        "VISUAL": "IDENTITY",
+        "STATE": "MEAN_STD",
+        "ACTION": "MEAN_STD"
+    },
+    "max_state_dim": 32,
+    "max_action_dim": 7,
+    "resize_imgs_with_padding": [
+        512,
+        512
+    ],
+    "empty_cameras": 0,
+    "adapt_to_pi_aloha": false,
+    "use_delta_joint_actions_aloha": false,
+    "tokenizer_max_length": 128,
+    "num_steps": 10,
+    "use_cache": true,
+    "freeze_vision_encoder": true,
+    "train_expert_only": true,
+    "train_state_proj": true,
+    "optimizer_lr": 0.0001,
+    "optimizer_betas": [
+        0.9,
+        0.95
+    ],
+    "optimizer_eps": 1e-08,
+    "optimizer_weight_decay": 1e-10,
+    "optimizer_grad_clip_norm": 10,
+    "scheduler_warmup_steps": 1000,
+    "scheduler_decay_steps": 100000,
+    "scheduler_decay_lr": 2.5e-06,
+    "vlm_model_name": "HuggingFaceTB/SmolVLM2-500M-Video-Instruct",
+    "load_vlm_weights": true,
+    "vlm_model_dtype": "bfloat16",
+    "add_image_special_tokens": false,
+    "attention_mode": "cross_attn",
+    "prefix_length": -1,
+    "pad_language_to": "longest",
+    "num_vlm_layers": -1,
+    "min_period": 0.004,
+    "max_period": 4.0,
+    "fast_skip_tokens": 128,
+    "padding_side": "right",
+    "max_input_seq_len": 512,
+    "max_decoding_steps": 128,
+    "relaxed_action_decoding": true
+}

model.safetensors

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+oid sha256:20273169325d4e230815d7aa5f022bd7c56ba62a246075f2cdd13eb31e35f30a
+size 1015030688

train_config.json

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+{
+    "dataset": {
+        "repo_id": "HuggingFaceVLA/libero",
+        "use_all_local_repos": false,
+        "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
+                        ]
+                    }
+                },
+                "shift": {
+                    "weight": 0.0,
+                    "type": "RandomShift",
+                    "kwargs": {
+                        "max_shift": 8,
+                        "padding_mode": "edge"
+                    }
+                }
+            }
+        },
+        "text_transform": {
+            "enable": false,
+            "rewrite_map_path": null,
+            "case_insensitive": true,
+            "random_choice": true,
+            "rewrite_map": null
+        },
+        "revision": null,
+        "use_imagenet_stats": true,
+        "video_backend": "torchcodec",
+        "only_robot_type": "so100",
+        "exclude_tasks": null,
+        "report_task_stats": true,
+        "streaming": false
+    },
+    "env": null,
+    "policy": {
+        "type": "smolvlafast",
+        "n_obs_steps": 1,
+        "input_features": {
+            "observation.images.image": {
+                "type": "VISUAL",
+                "shape": [
+                    3,
+                    256,
+                    256
+                ]
+            },
+            "observation.images.image2": {
+                "type": "VISUAL",
+                "shape": [
+                    3,
+                    256,
+                    256
+                ]
+            },
+            "observation.state": {
+                "type": "STATE",
+                "shape": [
+                    8
+                ]
+            }
+        },
+        "output_features": {
+            "action": {
+                "type": "ACTION",
+                "shape": [
+                    7
+                ]
+            }
+        },
+        "device": "cuda",
+        "use_amp": false,
+        "use_peft": false,
+        "push_to_hub": true,
+        "repo_id": "smolvla_fast_lr_1e-4_chunk1_max_act_dim7",
+        "private": null,
+        "tags": null,
+        "license": null,
+        "pretrained_path": null,
+        "use_proprio": true,
+        "chunk_size": 1,
+        "n_action_steps": 1,
+        "normalization_mapping": {
+            "VISUAL": "IDENTITY",
+            "STATE": "MEAN_STD",
+            "ACTION": "MEAN_STD"
+        },
+        "max_state_dim": 32,
+        "max_action_dim": 7,
+        "resize_imgs_with_padding": [
+            512,
+            512
+        ],
+        "empty_cameras": 0,
+        "adapt_to_pi_aloha": false,
+        "use_delta_joint_actions_aloha": false,
+        "tokenizer_max_length": 128,
+        "num_steps": 10,
+        "use_cache": true,
+        "freeze_vision_encoder": true,
+        "train_expert_only": true,
+        "train_state_proj": true,
+        "optimizer_lr": 0.0001,
+        "optimizer_betas": [
+            0.9,
+            0.95
+        ],
+        "optimizer_eps": 1e-08,
+        "optimizer_weight_decay": 1e-10,
+        "optimizer_grad_clip_norm": 10,
+        "scheduler_warmup_steps": 1000,
+        "scheduler_decay_steps": 100000,
+        "scheduler_decay_lr": 2.5e-06,
+        "vlm_model_name": "HuggingFaceTB/SmolVLM2-500M-Video-Instruct",
+        "load_vlm_weights": true,
+        "vlm_model_dtype": "bfloat16",
+        "add_image_special_tokens": false,
+        "attention_mode": "cross_attn",
+        "prefix_length": -1,
+        "pad_language_to": "longest",
+        "num_vlm_layers": -1,
+        "min_period": 0.004,
+        "max_period": 4.0,
+        "fast_skip_tokens": 128,
+        "padding_side": "right",
+        "max_input_seq_len": 512,
+        "max_decoding_steps": 128,
+        "relaxed_action_decoding": true
+    },
+    "output_dir": "outputs/smolvla_fast_action_chunk_max_act_dim/lr_1e-4_chunk1_max_act_dim7/2025-10-20/23-16-28",
+    "exp_name": "lr_1e-4_chunk1_max_act_dim7/2025-10-20/23-16-28",
+    "group_name": "smolvla_fast_action_chunk_max_act_dim",
+    "resume": false,
+    "seed": 1000,
+    "num_workers": 16,
+    "batch_size": 32,
+    "update_steps": 100000,
+    "eval_freq": 20000,
+    "log_freq": 100,
+    "save_checkpoint": true,
+    "save_freq": 10000,
+    "use_policy_training_preset": true,
+    "optimizer": {
+        "type": "adamw",
+        "lr": 0.0001,
+        "weight_decay": 1e-10,
+        "grad_clip_norm": 10,
+        "betas": [
+            0.9,
+            0.95
+        ],
+        "eps": 1e-08
+    },
+    "scheduler": {
+        "type": "cosine_decay_with_warmup",
+        "num_warmup_steps": 1000,
+        "num_decay_steps": 100000,
+        "peak_lr": 0.0001,
+        "decay_lr": 2.5e-06
+    },
+    "eval": {
+        "n_episodes": 50,
+        "batch_size": 50,
+        "use_async_envs": false
+    },
+    "log_with": "wandb",
+    "wandb": {
+        "enable": false,
+        "disable_artifact": false,
+        "project": "lerobot",
+        "entity": null,
+        "notes": null,
+        "run_id": "1npxgq1v",
+        "mode": null
+    },
+    "gradient_accumulation_steps": 1,
+    "use_peft": false,
+    "autocast_adapter_dtype": true,
+    "peft": {
+        "target_modules": null,
+        "modules_to_save": null,
+        "method_type": "LORA",
+        "init_type": null,
+        "r": 64,
+        "lora_alpha": 128,
+        "fullfinetune_vlm_patch_embeddings": false,
+        "fullfinetune_vlm_vision_model": false
+    }
+}