The original pre-processing script is here.
This pre-processed dataset was created by running:
git clone
https://github.com/pytorch/fairseq
cd fairseq
cd examples/translation/
./prepare-wmt14en2de.sh
It was originally used by transformers finetune_trainer.py
The data itself resides at
https://cdn-datasets.huggingface.co/translation/wmt_en_de.tgz