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@youkaichao youkaichao commented Oct 15, 2025

Purpose

add doc to explain the new DCP feature

Test Plan

Test Result


Essential Elements of an Effective PR Description Checklist
  • The purpose of the PR, such as "Fix some issue (link existing issues this PR will resolve)".
  • The test plan, such as providing test command.
  • The test results, such as pasting the results comparison before and after, or e2e results
  • (Optional) The necessary documentation update, such as updating supported_models.md and examples for a new model.
  • (Optional) Release notes update. If your change is user facing, please update the release notes draft in the Google Doc.

Signed-off-by: youkaichao <youkaichao@gmail.com>
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FYI @youzhedian @LucasWilkinson

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mergify bot commented Oct 15, 2025

Documentation preview: https://vllm--26877.org.readthedocs.build/en/26877/

@mergify mergify bot added the documentation Improvements or additions to documentation label Oct 15, 2025
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Code Review

This pull request adds documentation for the Context Parallel Deployment feature. The new document explains the concepts of prefill and decode context parallelism and provides case studies. My review focuses on ensuring the accuracy of the information provided. I've identified a broken link to a research paper and a recurring typo in a model name within the case studies. Correcting these will improve the clarity and reliability of the documentation for users.

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Thanks for writing this!

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Can you talk about a requests' life cycle if we have both PCP and DCP on as well?

Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: youkaichao <youkaichao@gmail.com>
@youkaichao youkaichao merged commit 650b51f into vllm-project:main Oct 15, 2025
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@youkaichao youkaichao deleted the cp_doc branch October 15, 2025 08:33
bbartels pushed a commit to bbartels/vllm that referenced this pull request Oct 16, 2025
Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: bbartels <benjamin@bartels.dev>
mandy-li pushed a commit to mandy-li/vllm that referenced this pull request Oct 16, 2025
Signed-off-by: youkaichao <youkaichao@gmail.com>
albertoperdomo2 pushed a commit to albertoperdomo2/vllm that referenced this pull request Oct 16, 2025
Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: Alberto Perdomo <aperdomo@redhat.com>
albertoperdomo2 pushed a commit to albertoperdomo2/vllm that referenced this pull request Oct 16, 2025
Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: Alberto Perdomo <aperdomo@redhat.com>
lywa1998 pushed a commit to lywa1998/vllm that referenced this pull request Oct 20, 2025
Signed-off-by: youkaichao <youkaichao@gmail.com>
alhridoy pushed a commit to alhridoy/vllm that referenced this pull request Oct 24, 2025
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xuebwang-amd pushed a commit to xuebwang-amd/vllm that referenced this pull request Oct 24, 2025
Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: xuebwang-amd <xuebwang@amd.com>
xuebwang-amd pushed a commit to xuebwang-amd/vllm that referenced this pull request Oct 24, 2025
Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: xuebwang-amd <xuebwang@amd.com>
0xrushi pushed a commit to 0xrushi/vllm that referenced this pull request Oct 26, 2025
Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: 0xrushi <6279035+0xrushi@users.noreply.github.com>
0xrushi pushed a commit to 0xrushi/vllm that referenced this pull request Oct 26, 2025
Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: 0xrushi <6279035+0xrushi@users.noreply.github.com>
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5 participants