Trans-Encoder: Unsupervised sentence-pair modelling through self- and mutual-distillations

Overview

Trans-Encoder: Unsupervised sentence-pair modelling through self- and mutual-distillations

Code repo for paper Trans-Encoder: Unsupervised sentence-pair modelling through self- and mutual-distillations.

Dependencies

torch=1.8.1
transformers=4.9.0
sentence-transformers=2.0.0

Please view `requirements.txt' for more details.

Train

Self-distillation:

>> bash train_self_distill.sh 0

0 denotes GPU device index.

Mutual-distillation (two GPUs needed):

>> bash train_mutual_distill.sh 1,2

Train with your custom corpus:

>> CUDA_VISIBLE_DEVICES=0,1 python src/mutual_distill_parallel.py \
         --batch_size_bi_encoder 128 \
         --batch_size_cross_encoder 64 \
         --num_epochs_bi_encoder 10 \
         --num_epochs_cross_encoder 1 \
         --cycle 3 \
         --bi_encoder1_pooling_mode cls \
         --bi_encoder2_pooling_mode cls \
         --init_with_new_models \
         --task custom \
         --random_seed 2021 \
         --custom_corpus_path CORPUS_PATH

CORPUS_PATH should point to your custom corpus in which every line should be a sentence pair in the form of sent1||sent2.

Evaluate

>> python src/eval.py

Authors

  • Fangyu Liu: Main contributor

Security

See CONTRIBUTING for more information.

License

This project is licensed under the Apache-2.0 License.

Owner
Amazon
Amazon
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