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Test Transformer with AdaBelief Optimizer

This repo is based on fairseq repository (lates version, 1.0.0a0) https://github.com/pytorch/fairseq <br> An implementation of AdaBelief optimizer compatible with fairseq is in fairseq/optim.<br> The original AdaBelief implementation is in https://github.com/juntang-zhuang/Adabelief-Optimizer<br> Code for transformer to work with PyTorch 1.1 and CUDA9.0 is at: https://github.com/juntang-zhuang/transformer-adabelief<br> Link to AdaBelief repository https://github.com/juntang-zhuang/Adabelief-Optimizer <br>

Dependencies

PyTorch==1.6.0

How to run on IWSLT14 DE-EN

Install current package

pip install --editable .

Prepare data

cd examples/translation/
bash prepare-iwslt14.sh
cd ../..

Preprocess/binarize the data

TEXT=examples/translation/iwslt14.tokenized.de-en
fairseq-preprocess --source-lang de --target-lang en \
    --trainpref $TEXT/train --validpref $TEXT/valid --testpref $TEXT/test \
    --destdir data-bin/iwslt14.tokenized.de-en \
    --workers 20

run with Adam optimizer

sh run_adam.sh Results saved in folder adam

run with AdaBelief optimizer

sh run_adabelief.sh Results saved in folder adabelief

Results (BLEU score)