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  "tensorboard_log_dir": "tensorboard",
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  "seed": 1234,
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    "prefetch_factor": 32,
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    "bucket_size": 128000,
    "label_smoothing": 0.1
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      "tgt_seq_length": 256
    },
    "sentencepiece": {
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      "src_subword_model": "${MODEL_PATH}/it.spm.model"
    }
  },
  "data": {
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      "path_tgt": "train.en"
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}