{
    "train_txt_db": "/db/refcoco+_train_base-cased.db",
    "train_img_dir": "/img/visual_grounding_coco_gt",
    "val_txt_db": "/db/refcoco+_val_base-cased.db",
    "val_img_dir": "/img/visual_grounding_coco_gt",
    "checkpoint": "/pretrain/bert-base_weak_conceptual/ckpt/model_step_420000.pt",
    "cut_bert": -1,
    "output_dir": "/storage/refcoco+/conceptual-bert-base_mlm+itm+mrfr_pretrain-refcoco+_lr1e-4_rank_r0.2_m0.2_step30k",
    "max_txt_len": 60,
    "train_batch_size": 128,
    "val_batch_size": 128,
    "learning_rate": 1e-4,
    "valid_steps": 1000,
    "optim": "adamw",
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    "dropout": 0.1,
    "grad_norm": 2.0,
    "decay": "linear",
    "num_train_steps": 30000,
    "warmup_steps": 1500,
    "gradient_accumulation_steps": 1,
    "no_cuda": false,
    "seed": 24,
    "fp16": true,
    "train_loss": "rank",
    "hard_ratio": 0.2,
    "margin": 0.2
}