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LLM4APR/
StarCoder-15B_for_NTR

code

automated program repair

text-generation

bigscience-openrail-m

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StarCoder-15B_for_NTR

We fine-tuned StarCoder-15B on Transfer_dataset under the NTR framework for APR research.

Model Use

To use this model, please make sure to install transformers, peft, bitsandbytes, and accelerate.

bash

pip install transformers
pip install peft
pip install bitsandbytes
pip install accelerate

Then, please run the following script to merge the adapter into the CodeLlama.

bash merge.sh

Finally, you can load the model to generate patches for buggy code.

python

from transformers import AutoTokenizer, AutoModelForCausalLM
from peft import LoraConfig, get_peft_model, prepare_model_for_int8_training
import torch


# load model and tokenizer

tokenizer = AutoTokenizer.from_pretrained('bigcode/starcoderbase', use_auth_token=True)

model = AutoModelForCausalLM.from_pretrained(
        "StarCoder-15B_for_NTR/Epoch_1/-merged",
        use_auth_token=True,
        use_cache=True,
        load_in_8bit=True,
        device_map="auto"
    )
    
model = prepare_model_for_int8_training(model)

lora_config = LoraConfig(
    r=16,
    lora_alpha=32,
    lora_dropout=0.05,
    bias="none",
    task_type="CAUSAL_LM",
    target_modules = ["c_proj", "c_attn", "q_attn"]
)

model = get_peft_model(model, lora_config)


# a bug-fix pairs

buggy_code = "
  public MultiplePiePlot(CategoryDataset dataset){
    super();
// bug_start
    this.dataset=dataset;
// bug_end
    PiePlot piePlot=new PiePlot(null);
    this.pieChart=new JFreeChart(piePlot);
    this.pieChart.removeLegend();
    this.dataExtractOrder=TableOrder.BY_COLUMN;
    this.pieChart.setBackgroundPaint(null);
    TextTitle seriesTitle=new TextTitle("Series Title",new Font("SansSerif",Font.BOLD,12));
    seriesTitle.setPosition(RectangleEdge.BOTTOM);
    this.pieChart.setTitle(seriesTitle);
    this.aggregatedItemsKey="Other";
    this.aggregatedItemsPaint=Color.lightGray;
    this.sectionPaints=new HashMap();
  }
"

repair_template = "OtherTemplate"

fixed_code = "
// fix_start
     setDataset(dataset);
// fix_end
"

# model inference

input_text = '<commit_before>\n' + buggy_code + '\n<commit_msg>\n' + repair_template + '\n<commit_after>\n'
input_ids = tokenizer(input_text, return_tensors="pt").input_ids.to(0)

eos_id = tokenizer.convert_tokens_to_ids(tokenizer.eos_token)
generated_ids = model.generate(
    input_ids=input_ids,
    max_new_tokens=256,
    num_beams=10,
    num_return_sequences=10,
    early_stopping=True,
    pad_token_id=eos_id,
    eos_token_id=eos_id
)

for generated_id in generated_ids:
    generated_text = tokenizer.decode(generated_id, skip_special_tokens=False)
    patch = generated_text.split('\n<commit_after>\n')[1]
    patch = patch.replace('<|endoftext|>','')
    print(patch)

Model Details

The model is licensed under the BigCode OpenRAIL-M v1 license agreement. You can find the full agreement here.

LLM4APR/StarCoder-15B_for_NTR

StarCoder-15B_for_NTR

Model Use

Model Details

LLM4APR/
StarCoder-15B_for_NTR