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Chinese GPT2 Lyric Model

Model description

The model is pre-trained by UER-py, which is introduced in this paper. Besides, the model could also be pre-trained by TencentPretrain introduced in this paper, which inherits UER-py to support models with parameters above one billion, and extends it to a multimodal pre-training framework.

The model is used to generate Chinese lyrics. You can download the model from the UER-py Modelzoo page, or GPT2-Chinese Github page, or via HuggingFace from the link gpt2-chinese-lyric

How to use

You can use the model directly with a pipeline for text generation:

>>> from transformers import BertTokenizer, GPT2LMHeadModel, TextGenerationPipeline
>>> tokenizer = BertTokenizer.from_pretrained("uer/gpt2-chinese-lyric")
>>> model = GPT2LMHeadModel.from_pretrained("uer/gpt2-chinese-lyric")
>>> text_generator = TextGenerationPipeline(model, tokenizer)   
>>> text_generator("最美的不是下雨天,是曾与你躲过雨的屋檐", max_length=100, do_sample=True)
    [{'generated_text': '最美的不是下雨天,是曾与你躲过雨的屋檐 , 下 课 铃 声 响 起 的 瞬 间 , 我 们 的 笑 脸 , 有 太 多 回 忆 在 浮 现 , 是 你 总 在 我 身 边 , 不 知 道 会 不 会 再 见 , 从 现 在 开 始 到 永 远 , 想 说 的 语 言 凝 结 成 一 句 , 不 管 我 们 是 否 能 够 兑 现 , 想 说 的 语 言 凝 结'}]

Training data

Training data contains 150,000 Chinese lyrics which are collected by Chinese-Lyric-Corpus and MusicLyricChatbot.

Training procedure

The model is pre-trained by UER-py on Tencent Cloud. We pre-train 100,000 steps with a sequence length of 512 on the basis of the pre-trained model gpt2-base-chinese-cluecorpussmall

python3 preprocess.py --corpus_path corpora/lyric.txt \
                      --vocab_path models/google_zh_vocab.txt \
                      --dataset_path lyric_dataset.pt --processes_num 32 \
                      --seq_length 512 --data_processor lm
python3 pretrain.py --dataset_path lyric_dataset.pt \
                    --pretrained_model_path models/cluecorpussmall_gpt2_seq1024_model.bin-250000 \
                    --vocab_path models/google_zh_vocab.txt \
                    --config_path models/gpt2/config.json \
                    --output_model_path models/lyric_gpt2_model.bin \
                    --world_size 8 --gpu_ranks 0 1 2 3 4 5 6 7 \
                    --total_steps 100000 --save_checkpoint_steps 10000 --report_steps 5000 \
                    --learning_rate 5e-5 --batch_size 64

Finally, we convert the pre-trained model into Huggingface's format:

python3 scripts/convert_gpt2_from_uer_to_huggingface.py --input_model_path models/lyric_gpt2_model.bin-100000 \
                                                        --output_model_path pytorch_model.bin \
                                                        --layers_num 12

BibTeX entry and citation info

  title={Language Models are Unsupervised Multitask Learners},
  author={Radford, Alec and Wu, Jeff and Child, Rewon and Luan, David and Amodei, Dario and Sutskever, Ilya},

  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},

  title={TencentPretrain: A Scalable and Flexible Toolkit for Pre-training Models of Different Modalities},
  author={Zhao, Zhe and Li, Yudong and Hou, Cheng and Zhao, Jing and others},
  journal={ACL 2023},
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