hmByT5 - Preliminary Language Models
Preliminary Historic Multilingual and Monolingual ByT5 Models. Following languages are currently covered:
- English (British Library Corpus - Books)
- German (Europeana Newspaper)
- French (Europeana Newspaper)
- Finnish (Europeana Newspaper)
- Swedish (Europeana Newspaper)
- Dutch (Delpher Corpus)
More details can be found in our GitHub repository.
Pretraining
We pretrain hmByT5 on a v3-32 TPU Pod. Details about the training can be found here.
Evaluation on Downstream Tasks (NER)
We evaluated the hmByT5 model that was pretrained on English AjMC corpus for 200k steps:
| Hyper-param Configuration | Run 1 | Run 2 | Run 3 | Run 4 | Run 5 | Avg. |
|---|---|---|---|---|---|---|
wsFalse-bs4-e10-lr0.00016-poolingfirst |
83.80 | 84.78 | 83.74 | 83.35 | 84.37 | 84.01 ± 0.50 |
wsFalse-bs4-e10-lr0.00015-poolingfirst |
84.67 | 82.69 | 83.92 | 84.53 | 82.90 | 83.74 ± 0.82 |
wsFalse-bs8-e10-lr0.00016-poolingfirst |
82.12 | 83.82 | 83.37 | 83.00 | 83.70 | 83.20 ± 0.61 |
wsFalse-bs8-e10-lr0.00015-poolingfirst |
83.45 | 82.83 | 84.15 | 81.76 | 83.78 | 83.19 ± 0.84 |
It turns out, that the results are not on-par with current SOTA on the English AjMC corpus, see a comparison here. Thus, we continue experiments with the Hugging Face Transformers JAX/FLAX implementation to pretrain ByT5 models on TPU.
Acknowledgements
Research supported with Cloud TPUs from Google's TPU Research Cloud (TRC). Many Thanks for providing access to the TPUs ❤️
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