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---
language:
- code
- en
license: apache-2.0
tags:
- commit_message_generation
- code
datasets:
- JetBrains-Research/commit-chronicle
pipeline_tag: text2text-generation
---

# CMG/CMC: CodeReviewer (with history)

This is the checkpoint for [CodeReviewer](https://huggingface.co/microsoft/codereviewer) model, fine-tuned for the commit message generation (and/or completion) task as part of the paper "From Commit Message Generation to History-Aware Commit Message Completion", ASE 2023.

## Details

> πŸ” For further details, please refer to:
> * **Paper**: [https://arxiv.org/abs/2308.07655](https://arxiv.org/abs/2308.07655)
> * **Repository**: [https://github.com/JetBrains-Research/commit_message_generation](https://github.com/JetBrains-Research/commit_message_generation)


* This model is based on [`microsoft/codereviewer`](https://huggingface.co/microsoft/codereviewer) checkpoint from πŸ“œ [Automating Code Review Activities by Large-Scale Pre-training](https://arxiv.org/abs/2203.09095).
* This model was trained with commit diffs as well as WITH commit message history.
* This model was trained on the CommitChronicle dataset introduced in our study. 
* Our hyperparameter setting is mostly based on πŸ“œ [RACE: Retrieval-augmented Commit Message Generation](https://aclanthology.org/2022.emnlp-main.372/).
 The exact values are provided below:
    
    |       Hyperparameter       |                                                                    Value                                                                    |
    |:--------------------------:|:-------------------------------------------------------------------------------------------------------------------------------------------:|
    | Encoder context max length |                                                                     512                                                                     |
    | Decoder context max length |                                                                     512                                                                     |
    | Number of training epochs  |                                                                      1                                                                      |
    |         Batch size         |                                                                     32                                                                      |
    |         Optimizer          |                  [AdamW](https://pytorch.org/docs/1.12/generated/torch.optim.AdamW.html?highlight=adamw#torch.optim.AdamW)                  |
    |           Warmup           | [Linear](https://huggingface.co/docs/transformers/v4.21.3/en/main_classes/optimizer_schedules#transformers.get_linear_schedule_with_warmup) |
    |   Number of warmup steps   |                                                                     100                                                                     |
    |     Peak learning rate     |                                                                   0.00002                                                                   |


## Available checkpoints

We also released checkpoints for other models fine-tuned as part of our study.

* Models trained *with commit message history*:
  * **CodeT5:** πŸ€— [`JetBrains-Research/cmg-codet5-with-history`](https://huggingface.co/JetBrains-Research/cmg-codet5-with-history)
  * **CodeReviewer:** πŸ€— [`JetBrains-Research/cmg-codereviewer-with-history`](https://huggingface.co/JetBrains-Research/cmg-codereviewer-with-history) (this model)
  * **RACE:** πŸ€— [`JetBrains-Research/cmg-race-with-history`](https://huggingface.co/JetBrains-Research/cmg-race-with-history)
* Models trained *without commit message history*:
  * **CodeT5:** πŸ€— [`JetBrains-Research/cmg-codet5-without-history`](https://huggingface.co/JetBrains-Research/cmg-codet5-without-history)
  * **CodeReviewer:** πŸ€— [`JetBrains-Research/cmg-codereviewer-without-history`](https://huggingface.co/JetBrains-Research/cmg-codereviewer-without-history)
  * **RACE:** πŸ€— [`JetBrains-Research/cmg-race-without-history`](https://huggingface.co/JetBrains-Research/cmg-race-without-history)

## Citation

```
TODO
```