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set -ex
data_bin=$1
save_dir=$2
PRETRAINED_MODEL=$3
python train.py $data_bin \
--save-dir $save_dir \
--arch deltalm_base \
--pretrained-deltalm-checkpoint $PRETRAINED_MODEL \
--share-all-embeddings \
--max-source-positions 512 --max-target-positions 512 \
--criterion label_smoothed_cross_entropy \
--label-smoothing 0.1 \
--optimizer adam --adam-betas '(0.9, 0.98)' \
--lr-scheduler inverse_sqrt \
--lr 1e-4 \
--warmup-init-lr 1e-07 \
--stop-min-lr 1e-09 \
--warmup-updates 4000 \
--max-update 400000 \
--max-epoch 100 \
--max-tokens 1024 \
--update-freq 1 \
--seed 1 \
--log-format simple \
--skip-invalid-size-inputs-valid-test \
--fp16 \
--eval-bleu \
--eval-bleu-args '{"beam": 5, "max_len_a": 1.2, "max_len_b": 10}' \
--eval-bleu-detok moses \
--eval-bleu-remove-bpe=sentencepiece \
--eval-bleu-print-samples \
--best-checkpoint-metric bleu --maximize-best-checkpoint-metric