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vlm_rlhf_config.json
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vlm_rlhf_config.json
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{
"_comment": "the effective batch size will be: <num of images> x <num of generated captions per image>",
"num_of_images_per_batch": 10,
"num_of_samples_per_image": 10,
"reward_model_list": ["bart_nli","bertscore"],
"reward_model_weights": [0.5,0.5],
"reward_model_type": "am",
"num_ref": 5,
"model_device": "cuda:0",
"ref_model_device": "cuda:1",
"reward_model_device": "cuda:1",
"beta": 0.06,
"ppo_iters": 4,
"epsilon": 0.2,
"lr": 1e-6,
"activate_logging": true,
"cache_dir": "./hf_cache",
"output_dir": "./output",
"dataset" : "coco",
"data_loading_type": "url",
"_comment": "if data_loading_type==local, fill in the fields below",
"coco_annotations_train": "./coco-karpathy/data/train-00000-of-00001.parquet",
"coco_annotations_val": "./coco-karpathy/data/validation-00000-of-00001.parquet",
"path_to_coco_images": "./coco-2014/images/",
"model_type": "blip",
"freeze_vision_encoder": true,
"clip_grad": true,
"clip_grad_max_norm": 5,
"sampling_temperature" : 1.2,
"seed" : 123,
"save_steps" : 200,
"eval_steps" : 10,
"max_step" : 3000
}