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CodeT5 (large-size model 770M)

Model description

CodeT5 is a family of encoder-decoder language models for code from the paper: CodeT5: Identifier-aware Unified Pre-trained Encoder-Decoder Models for Code Understanding and Generation by Yue Wang, Weishi Wang, Shafiq Joty, and Steven C.H. Hoi.

The checkpoint included in this repository is denoted as CodeT5-large (770M), which is introduced by the paper: CodeRL: Mastering Code Generation through Pretrained Models and Deep Reinforcement Learning by Hung Le, Yue Wang, Akhilesh Deepak Gotmare, Silvio Savarese, Steven C.H. Hoi.

Training data

CodeT5-large was pretrained on CodeSearchNet data in six programming languages (Ruby/JavaScript/Go/Python/Java/PHP). See Section 4.1 of the paper for more details.

Training procedure

CodeT5-large was pretrained using masked span prediction objective for 150 epochs. See Section 4.1 of the paper for more details.

Evaluation results

We validate the effectiveness of this checkpoint pretrained with simplified strategies on CodeXGLUE benchmark. See Appendix A.1 of the paper for more details.

How to use

This model can be easily loaded using the T5ForConditionalGeneration functionality:

from transformers import AutoTokenizer, T5ForConditionalGeneration
tokenizer = AutoTokenizer.from_pretrained("Salesforce/codet5-large")
model = T5ForConditionalGeneration.from_pretrained("Salesforce/codet5-large")
text = "def greet(user): print(f'hello <extra_id_0>!')"
input_ids = tokenizer(text, return_tensors="pt").input_ids

# simply generate a single sequence
generated_ids = model.generate(input_ids, max_length=8)
print(tokenizer.decode(generated_ids[0], skip_special_tokens=True))

BibTeX entry and citation info

@inproceedings{CodeT52021,
  author    = {Yue Wang and Weishi Wang and Shafiq R. Joty and Steven C. H. Hoi},
  title     = {CodeT5: Identifier-aware Unified Pre-trained Encoder-Decoder Models for Code Understanding and Generation},
  booktitle = {EMNLP},
  pages     = {8696--8708},
  publisher = {Association for Computational Linguistics},
  year      = {2021}
}

@article{CodeRL2022
  author    = {Hung Le, Yue Wang, Akhilesh Deepak Gotmare, Silvio Savarese, Steven C.H. Hoi},
  title     = {CodeRL: Mastering Code Generation through Pretrained Models and Deep Reinforcement Learning},
  journal   = {arXiv preprint},
  volume    = {abs/2207.01780},
  year      = {2022}
}
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