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Instructions for generating the tokenizer configs for marian-mt. (#1225)

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Laurent Mazare
2023-10-31 07:56:26 +01:00
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19
candle-examples/examples/marian-mt/README.md
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@ -17,3 +17,22 @@ cargo run --example marian-mt --release -- \
I know you are waiting for me. I will go through the forest, I will go through the
mountain. I cannot stay far from you any longer.</s>
```
## Generating the tokenizer.json files
You can use the following script to generate the `tokenizer.json` config files
from the hf-hub repos. This requires the `tokenizers` and `sentencepiece`
packages to be install and use the `convert_slow_tokenizer.py` script from this
directory.
```python
from convert_slow_tokenizer import MarianConverter
from transformers import AutoTokenizer
tokenizer = AutoTokenizer.from_pretrained("Helsinki-NLP/opus-mt-fr-en", use_fast=False)
fast_tokenizer = MarianConverter(tokenizer, index=0).converted()
fast_tokenizer.save(f"tokenizer-marian-base-fr.json")
fast_tokenizer = MarianConverter(tokenizer, index=1).converted()
fast_tokenizer.save(f"tokenizer-marian-base-en.json")
```