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Contributing

The EnergonAI project is always open for constructive suggestion and contributions from the community. We sincerely invite you to take a part in making this project more friendly and easier to use.

Environment Setup

The first step of becoming a contributor would be setting up the environment for EnergonAI. Run the following codes to build your own EnergonAI.

$ git clone https://github.com/hpcaitech/EnergonAI.git
$ python setup.py install or python setup.py develop

Coding Standards

Unit Tests

We use PyTest to execute tests. You can install pytest by pip install pytest. As some of the tests require initialization of the distributed backend, GPUs are needed to execute these tests.

If you only want to run CPU tests, you can run

pytest -m cpu tests/

If you have 8 GPUs on your machine, you can run the full test

pytest tests/

Code Style

We have some static checks when you commit your code change, please make sure you can pass all the tests and make sure the coding style meets our requirements. We use pre-commit hook to make sure the code is aligned with the writing standard. To set up the code style checking, you need to follow the steps below.

# these commands are executed under the Colossal-AI directory
pip install pre-commit
pre-commit install

Code format checking will be automatically executed when you commit your changes.

Contribution Guide

You need to follow these steps below to make contribution to the main repository via pull request. You can learn about the details of pull request here.

1. Fork the Official Repository

Firstly, you need to visit the ColossalAI-Inference repository and fork into your own account. The fork button is at the right top corner of the web page alongside with buttons such as watch and star.

Now, you can clone your own forked repository into your local environment.

git clone https://github.com/<YOUR-USERNAME>/ColossalAI-Inference.git

2. Configure Git

You need to set the official repository as your upstream so that you can synchronize with the latest update in the official repository. You can learn about upstream here.

Then add the original repository as upstream

cd ColossalAI-Inference
git remote add upstream https://github.com/hpcaitech/ColossalAI-Inference.git

you can use the following command to verify that the remote is set. You should see both origin and upstream in the output.

git remote -v

3. Synchronize with Official Repository

Before you make changes to the codebase, it is always good to fetch the latest updates in the official repository. In order to do so, you can use the commands below.

git fetch upstream
git checkout main
git merge upstream/main
git push origin main

Otherwise, you can click the fetch upstream button on the github webpage of the main branch of your forked repository. Then, use these commands to sync.

git checkout main
git fetch main

4. Choose/Create an Issue for Your Pull Request

Generally, your code change should be only targeted at one problem. Stacking multiple commits for different problems into one pull request will only make the code review such dire suffering and make the system prone to new bugs as the reviewer may not understand the code logic correctly. Thus, you should choose an existing issue or create your own issue as your pull request target. If you wish to create a new issue, do use appropriate title and description and add related labels.

5. Create a New Branch

You should not make changes to the main branch of your forked repository as this might make upstream synchronization difficult. You can create a new branch with the appropriate name. General branch name format should start with hotfix/ and feature/. hotfix is for bug fix and feature is for addition of a new feature.

git checkout -b <NEW-BRANCH-NAME>

6. Implementation and Code Commit

Now you can implement your code change in the source code. Remember that you installed the system in development, thus you do not need to uninstall and install to make the code take effect. The code change will be reflected in every new PyThon execution. You can commit and push the changes to your local repository. The changes should be kept logical, modular and atomic.

git add -A
git commit -m "<COMMIT-MESSAGE>"
git push -u origin <NEW-BRANCH-NAME>

7. Open a Pull Request

You can now create a pull request on the GitHub webpage of your repository. The source branch is <NEW-BRANCH-NAME> of your repository and the target branch should be main of hpcaitech/ColossalAI. After creating this pull request, you should be able to see it here.

Do write clearly the description of your pull request and link the pull request to your target issue. This will automatically close the issue when the pull request is approved.

In case of code conflict, you should rebase your branch and resolve the conflicts manually.