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---
language: Chinese
datasets: CLUECorpusSmall
widget:
- text: "内容丰富、版式设计考究、图片华丽、印制精美。[MASK]纸箱内还放了充气袋用于保护。"
---
# Chinese Pegasus
## Model description
This model is pre-trained by [UER-py](https://github.com/dbiir/UER-py/), which is introduced in [this paper](https://arxiv.org/abs/1909.05658).
You can download the set of Chinese PEGASUS models either from the [UER-py Modelzoo page](https://github.com/dbiir/UER-py/wiki/Modelzoo), or via HuggingFace from the links below:
| | Link |
| ----------------- | :----------------------------: |
| **PEGASUS-Base** | [**L=12/H=768 (Small)**][base] |
| **PEGASUS-Large** | [**L=16/H=1024 (Base)**][large] |
## How to use
You can use this model directly with a pipeline for text2text generation (take the case of PEGASUS-Base):
```python
>>> from transformers import BertTokenizer, PegasusForConditionalGeneration, Text2TextGenerationPipeline
>>> tokenizer = BertTokenizer.from_pretrained("uer/pegasus-base-chinese-cluecorpussmall")
>>> model = PegasusForConditionalGeneration.from_pretrained("uer/pegasus-base-chinese-cluecorpussmall")
>>> text2text_generator = Text2TextGenerationPipeline(model, tokenizer)
>>> text2text_generator("内容丰富、版式设计考究、图片华丽、印制精美。[MASK]纸箱内还放了充气袋用于保护。", max_length=50, do_sample=False)
[{'generated_text': '书 的 质 量 很 好 。'}]
```
## Training data
[CLUECorpusSmall](https://github.com/CLUEbenchmark/CLUECorpus2020/) is used as training data.
## Training procedure
The model is pre-trained by [UER-py](https://github.com/dbiir/UER-py/) on [Tencent Cloud](https://cloud.tencent.com/). We pre-train 1,000,000 steps with a sequence length of 512.
```
python3 preprocess.py --corpus_path corpora/cluecorpussmall.txt \
--vocab_path models/google_zh_vocab.txt \
--dataset_path cluecorpussmall_pegasus_seq512_dataset.pt \
--processes_num 32 --seq_length 512 \
--data_processor gsg --sentence_selection_strategy random
```
```
python3 pretrain.py --dataset_path cluecorpussmall_pegasus_seq512_dataset.pt \
--vocab_path models/google_zh_vocab.txt \
--config_path models/pegasus/base_config.json \
--output_model_path models/cluecorpussmall_pegasus_base_seq512_model.bin \
--world_size 8 --gpu_ranks 0 1 2 3 4 5 6 7 \
--total_steps 1000000 --save_checkpoint_steps 100000 --report_steps 50000 \
--learning_rate 1e-4 --batch_size 8
```
Finally, we convert the pre-trained model into Huggingface's format:
```
python3 scripts/convert_pegasus_from_uer_to_huggingface.py --input_model_path cluecorpussmall_pegasus_base_seq512_model.bin-250000 \
--output_model_path pytorch_model.bin \
--layers_num 12
```
### BibTeX entry and citation info
```
@inproceedings{zhang2020pegasus,
title={Pegasus: Pre-training with extracted gap-sentences for abstractive summarization},
author={Zhang, Jingqing and Zhao, Yao and Saleh, Mohammad and Liu, Peter},
booktitle={International Conference on Machine Learning},
pages={11328--11339},
year={2020},
organization={PMLR}
}
@article{zhao2019uer,
title={UER: An Open-Source Toolkit for Pre-training Models},
author={Zhao, Zhe and Chen, Hui and Zhang, Jinbin and Zhao, Xin and Liu, Tao and Lu, Wei and Chen, Xi and Deng, Haotang and Ju, Qi and Du, Xiaoyong},
journal={EMNLP-IJCNLP 2019},
pages={241},
year={2019}
}
```
[base]:https://huggingface.co/uer/pegasus-base-chinese-cluecorpussmall
[large]:https://huggingface.co/uer/pegasus-large-chinese-cluecorpussmall |