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[Doc] Move PR template content to docs (#10159)

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Signed-off-by: Russell Bryant <rbryant@redhat.com>
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Russell Bryant
2024-11-15 16:20:20 -05:00
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docs/source/contributing/overview.rst
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@@ -41,15 +41,6 @@ Testing
Contribution Guidelines
=======================
DCO and Signed-off-by
----------------------
When contributing changes to this project, you must agree to the `DCO <https://github.com/vllm-project/vllm/tree/main/DCO>`_.
Commits must include a ``Signed-off-by:`` header which certifies agreement with
the terms of the `DCO <https://github.com/vllm-project/vllm/tree/main/DCO>`_.
Using ``-s`` with ``git commit`` will automatically add this header.
Issues
------
@@ -61,7 +52,110 @@ If you encounter a bug or have a feature request, please `search existing issues
Pull Requests & Code Reviews
----------------------------
Please check the PR checklist in the `PR template <https://github.com/vllm-project/vllm/tree/main/.github/PULL_REQUEST_TEMPLATE.md>`_ for a detailed guide for contribution.
Thank you for your contribution to vLLM! Before submitting the pull request,
please ensure the PR meets the following criteria. This helps vLLM maintain the
code quality and improve the efficiency of the review process.
DCO and Signed-off-by
^^^^^^^^^^^^^^^^^^^^^
When contributing changes to this project, you must agree to the `DCO <https://github.com/vllm-project/vllm/tree/main/DCO>`_.
Commits must include a ``Signed-off-by:`` header which certifies agreement with
the terms of the `DCO <https://github.com/vllm-project/vllm/tree/main/DCO>`_.
Using ``-s`` with ``git commit`` will automatically add this header.
PR Title and Classification
^^^^^^^^^^^^^^^^^^^^^^^^^^^
Only specific types of PRs will be reviewed. The PR title is prefixed
appropriately to indicate the type of change. Please use one of the following:
- ``[Bugfix]`` for bug fixes.
- ``[CI/Build]`` for build or continuous integration improvements.
- ``[Doc]`` for documentation fixes and improvements.
- ``[Model]`` for adding a new model or improving an existing model. Model name
should appear in the title.
- ``[Frontend]`` For changes on the vLLM frontend (e.g., OpenAI API server,
``LLM`` class, etc.)
- ``[Kernel]`` for changes affecting CUDA kernels or other compute kernels.
- ``[Core]`` for changes in the core vLLM logic (e.g., ``LLMEngine``,
``AsyncLLMEngine``, ``Scheduler``, etc.)
- ``[Hardware][Vendor]`` for hardware-specific changes. Vendor name should
appear in the prefix (e.g., ``[Hardware][AMD]``).
- ``[Misc]`` for PRs that do not fit the above categories. Please use this
sparingly.
.. note::
If the PR spans more than one category, please include all relevant prefixes.
Code Quality
^^^^^^^^^^^^
The PR needs to meet the following code quality standards:
- We adhere to `Google Python style guide
<https://google.github.io/styleguide/pyguide.html>`_ and `Google C++ style guide
<https://google.github.io/styleguide/cppguide.html>`_.
- Pass all linter checks. Please use `format.sh
<https://github.com/vllm-project/vllm/blob/main/format.sh>`_ to format your
code.
- The code needs to be well-documented to ensure future contributors can easily
understand the code.
- Include sufficient tests to ensure the project stays correct and robust. This
includes both unit tests and integration tests.
- Please add documentation to ``docs/source/`` if the PR modifies the
user-facing behaviors of vLLM. It helps vLLM users understand and utilize the
new features or changes.
Adding or Changing Kernels
^^^^^^^^^^^^^^^^^^^^^^^^^^
Each custom kernel needs a schema and one or more implementations to be registered with PyTorch.
- Make sure custom ops are registered following PyTorch guidelines:
`Custom C++ and CUDA Operators <https://pytorch.org/tutorials/advanced/cpp_custom_ops.html#cpp-custom-ops-tutorial>`_
and `The Custom Operators Manual <https://docs.google.com/document/d/1_W62p8WJOQQUzPsJYa7s701JXt0qf2OfLub2sbkHOaU>`_.
- Custom operations that return ``Tensors`` require meta-functions.
Meta-functions should be implemented and registered in Python so that dynamic
dims can be handled automatically. See above documents for a description of
meta-functions.
- Use `torch.library.opcheck() <https://pytorch.org/docs/stable/library.html#torch.library.opcheck>`_
to test the function registration and meta-function for any registered ops.
See ``tests/kernels`` for examples.
- When changing the C++ signature of an existing op, the schema must be updated
to reflect the changes.
- If a new custom type is needed, see the following document:
`Custom Class Support in PT2 <https://docs.google.com/document/d/18fBMPuOJ0fY5ZQ6YyrHUppw9FA332CpNtgB6SOIgyuA>`_.
Notes for Large Changes
^^^^^^^^^^^^^^^^^^^^^^^
Please keep the changes as concise as possible. For major architectural changes
(>500 LOC excluding kernel/data/config/test), we would expect a GitHub issue
(RFC) discussing the technical design and justification. Otherwise, we will tag
it with ``rfc-required`` and might not go through the PR.
What to Expect for the Reviews
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The goal of the vLLM team is to be a *transparent reviewing machine*. We would
like to make the review process transparent and efficient and make sure no
contributor feels confused or frustrated. However, the vLLM team is small, so we
need to prioritize some PRs over others. Here is what you can expect from the
review process:
- After the PR is submitted, the PR will be assigned to a reviewer. Every
reviewer will pick up the PRs based on their expertise and availability.
- After the PR is assigned, the reviewer will provide status updates every 2-3
days. If the PR is not reviewed within 7 days, please feel free to ping the
reviewer or the vLLM team.
- After the review, the reviewer will put an ``action-required`` label on the PR
if there are changes required. The contributor should address the comments and
ping the reviewer to re-review the PR.
- Please respond to all comments within a reasonable time frame. If a comment
isn't clear or you disagree with a suggestion, feel free to ask for
clarification or discuss the suggestion.
Thank You
---------