output_dir: ./runs/libero_flux2_klein_4b_base_fastwam/2026-05-27_04-13-04 batch_size: 10 num_workers: 24 prefetch_factor: 2 persistent_workers: true lr_scheduler_type: cosine learning_rate: 0.0001 warmup_steps: null num_epochs: 10 max_steps: null log_every: 10 save_every: 1000 keep_latest_state_only: true eval_every: 100 eval_num_inference_steps: 10 eval_num_samples: 8 rank_timer_every: 10 rank_timer_sync_cuda: true qwen_cache_batch_size: 32 qwen_cache_overwrite: false qwen_cache_save_workers: 8 flux2_qwen3_model_spec: null precache_arrow: true precache_num_workers: 4 build_lerobot_meta_cache: true build_norm_stats: true precache_fuse_norm_stats: true force_rebuild_norm_stats: false norm_stats_use_arrow_cache: true norm_stats_bulk_read_arrow: true norm_stats_cache_enabled: true norm_stats_cache_dir: null precache_profile: false precache_profile_min_sec: 0.0 gradient_accumulation_steps: 1 mixed_precision: bf16 seed: 42 max_grad_norm: 1.0 weight_decay: 0.01 resume: null wandb: enabled: true workspace: arisilin project: fast-wam name: libero_flux2_klein_4b_base_fastwam group: null mode: online data: train: _target_: fastwam.datasets.lerobot.robot_video_dataset.RobotVideoDataset dataset_dirs: - /dockerdata/data/libero/libero_spatial_no_noops_lerobot - /dockerdata/data/libero/libero_object_no_noops_lerobot - /dockerdata/data/libero/libero_goal_no_noops_lerobot - /dockerdata/data/libero/libero_10_no_noops_lerobot shape_meta: images: - key: image raw_shape: - 3 - 512 - 512 shape: - 3 - 224 - 224 - key: wrist_image raw_shape: - 3 - 512 - 512 shape: - 3 - 224 - 224 action: - key: default raw_shape: 7 shape: 7 state: - key: default raw_shape: 8 shape: 8 num_frames: 17 global_sample_stride: 1 action_video_freq_ratio: 1 video_size: - 224 - 448 camera_key: null val_set_proportion: 0.0 is_training_set: true skip_padding_as_possible: false concat_multi_camera: horizontal video_augmentation: _target_: fastwam.datasets.lerobot.transforms.image.VideoAugmentation p: 0.65 augment_types: - corrupt_only - color_only - both - both color_jitter: brightness: 0.3 contrast: 0.3 saturation: 0.25 hue: 0.04 gamma: range: - 0.8 - 1.25 gaussian_noise: std: 0.015 random_resized_crop: scale: - 0.92 - 1.0 ratio: preserve rotate: degrees: 8.0 fill: mean exposure: ev_range: - -0.25 - 0.25 require_text_cache: false endpoint_frames_only: true qwen_text_cache_dir: /dockerdata/data/libero/flux2_qwen3_cache_4b qwen_context_len: 512 pretrained_norm_stats: null processor: _target_: fastwam.datasets.lerobot.processors.fastwam_processor.FastWAMProcessor shape_meta: images: - key: image raw_shape: - 3 - 512 - 512 shape: - 3 - 224 - 224 - key: wrist_image raw_shape: - 3 - 512 - 512 shape: - 3 - 224 - 224 action: - key: default raw_shape: 7 shape: 7 state: - key: default raw_shape: 8 shape: 8 num_obs_steps: 17 image_obs_steps: 2 num_output_cameras: 2 action_output_dim: 7 proprio_output_dim: 8 delta_action_dim_mask: default: - true - true - true - true - true - true - false action_state_transforms: null use_stepwise_action_norm: false norm_default_mode: min/max norm_exception_mode: null action_state_merger: _target_: fastwam.datasets.lerobot.transforms.action_state_merger.ConcatLeftAlign train_transforms: - _target_: fastwam.datasets.lerobot.transforms.image.ToTensor - _target_: torchvision.transforms.Resize size: - 224 - 224 val_transforms: - _target_: fastwam.datasets.lerobot.transforms.image.ToTensor - _target_: torchvision.transforms.Resize size: - 224 - 224 text_embedding_cache_dir: null context_len: 128 qwen_text_cache_format: qwen3_flux2 model: _target_: fastwam.runtime.create_fastwam_flux2_klein flux2_src_path: /apdcephfs_nj7/share_305204761/alixzhang/flux2 flux2_model_path: /dockerdata/models/FLUX.2-klein-base-4B/FLUX.2-klein-base-4B/flux-2-klein-base-4b.safetensors ae_model_path: /dockerdata/models/FLUX.2-dev/FLUX.2-dev/ae.safetensors variant: klein-base-4b qwen3_model_spec: Qwen/Qwen3-4B load_text_encoder: false proprio_dim: 8 mot_checkpoint_mixed_attn: true mot_gqa_implementation: repeat mot_force_flash_attention: false pack_proprio_after_text: true action_dit_pretrained_path: checkpoints/action_dit_flux2_4b_libero_init.pt flux2_lora_config: enabled: false rank: 16 alpha: 16.0 dropout: 0.0 save_lora_merged: false save_trainable_only: false target_suffixes: - qkv - proj - linear1 - linear2 - img_mlp.0 - img_mlp.2 - txt_mlp.0 - txt_mlp.2 action_dit_config: action_dim: 7 hidden_dim: 1024 num_heads: 24 attn_head_dim: 128 num_layers_double: 5 num_layers_single: 20 mlp_ratio: 4.0 max_action_horizon: 64 use_gradient_checkpointing: true video_scheduler: train_shift: 5.0 infer_shift: 5.0 num_train_timesteps: 1000 action_scheduler: train_shift: 5.0 infer_shift: 5.0 num_train_timesteps: 1000 loss: lambda_video: 0.5 lambda_action: 1.0