Writing logs to /p/qdata/jm8wx/research/text_attacks/textattack/outputs/training/roberta-base-ag_news-2020-07-03-13:06/log.txt. Loading nlp dataset ag_news, split train. Loading nlp dataset ag_news, split test. Loaded dataset. Found: 4 labels: ([0, 1, 2, 3]) Loading transformers AutoModelForSequenceClassification: roberta-base Tokenizing training data. (len: 120000) Tokenizing eval data (len: 7600) Loaded data and tokenized in 147.60910987854004s Training model across 4 GPUs ***** Running training ***** Num examples = 120000 Batch size = 16 Max sequence length = 128 Num steps = 37500 Num epochs = 5 Learning rate = 5e-05 Eval accuracy: 93.71052631578948% Best acc found. Saved model to /p/qdata/jm8wx/research/text_attacks/textattack/outputs/training/roberta-base-ag_news-2020-07-03-13:06/. Eval accuracy: 93.6842105263158% Eval accuracy: 94.61842105263158% Best acc found. Saved model to /p/qdata/jm8wx/research/text_attacks/textattack/outputs/training/roberta-base-ag_news-2020-07-03-13:06/. Eval accuracy: 94.5921052631579% Eval accuracy: 94.69736842105263% Best acc found. Saved model to /p/qdata/jm8wx/research/text_attacks/textattack/outputs/training/roberta-base-ag_news-2020-07-03-13:06/. Saved tokenizer to /p/qdata/jm8wx/research/text_attacks/textattack/outputs/training/roberta-base-ag_news-2020-07-03-13:06/. Wrote README to /p/qdata/jm8wx/research/text_attacks/textattack/outputs/training/roberta-base-ag_news-2020-07-03-13:06/README.md. Wrote training args to /p/qdata/jm8wx/research/text_attacks/textattack/outputs/training/roberta-base-ag_news-2020-07-03-13:06/train_args.json.