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codesage/
codesage-base

Name: codesage-base
Rating: 2.5 (76 reviews)

bigcode/the-stack-dedup

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CodeSage-Base

Updates

[12/2024] We are excited to announce the release of the CodeSage V2 model family with largely improved performance and flexible embedding dimensions! Please check out our models and blogpost for more details.
[11/2024] You can now access CodeSage models through SentenceTransformer.

Model description

CodeSage is a new family of open code embedding models with an encoder architecture that support a wide range of source code understanding tasks. It is introduced in the paper:

Code Representation Learning At Scale by Dejiao Zhang*, Wasi Uddin Ahmad*, Ming Tan, Hantian Ding, Ramesh Nallapati, Dan Roth, Xiaofei Ma, Bing Xiang (* indicates equal contribution).

Pretraining data

This checkpoint is trained on the Stack data (https://huggingface.co/datasets/bigcode/the-stack-dedup). Supported languages (9 in total) are as follows: c, c-sharp, go, java, javascript, typescript, php, python, ruby.

Training procedure

This checkpoint is first trained on code data via masked language modeling (MLM) and then on bimodal text-code pair data. Please refer to the paper for more details.

How to Use

This checkpoint consists of an encoder (356M model), which can be used to extract code embeddings of 1024 dimension.

Accessing CodeSage via HuggingFace: it can be easily loaded using the AutoModel functionality and employs the Starcoder Tokenizer.

from transformers import AutoModel, AutoTokenizer

checkpoint = "codesage/codesage-base"
device = "cuda"  # "cpu" for CPU usage

# Note: CodeSage requires adding eos token at the end of each tokenized sequence 

tokenizer = AutoTokenizer.from_pretrained(checkpoint, trust_remote_code=True, add_eos_token=True)

model = AutoModel.from_pretrained(checkpoint, trust_remote_code=True).to(device)

inputs = tokenizer.encode("def print_hello_world():\tprint('Hello World!')", return_tensors="pt").to(device)
embedding = model(inputs)[0]

Accessing CodeSage via SentenceTransformer

from sentence_transformers import SentenceTransformer
model = SentenceTransformer("codesage/codesage-base", trust_remote_code=True)

BibTeX entry and citation info

@inproceedings{
    zhang2024codesage,
    title={CodeSage: Code Representation Learning At Scale},
    author={Dejiao Zhang* and Wasi Ahmad* and Ming Tan and Hantian Ding and Ramesh Nallapati and Dan Roth and Xiaofei Ma and Bing Xiang},
    booktitle={The Twelfth International Conference on Learning Representations},
    year={2024},
    url={https://openreview.net/forum?id=vfzRRjumpX}
}