vllm - 💡(How to fix) Fix [Feature]: Parity with CUDA: vLLM router should have ROCm CI [4 comments, 4 participants]

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vllm-project/vllm#38693Fetched 2026-04-08 02:23:28
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🚀 The feature, motivation and pitch

hi @hongxiayang

+viz @powderluv @chunfangamd @andyluo7

PD disagg is already the current state of optimization that ppl run in prod. currently vLLM router only has CUDA GPU tests and doesn't have AMD GPU test. can u look into fixing this? AMD supports RIXL in vLLM router but there is no tests for that. it should also have tests in vLLM router for MoRI kvcache transfer once it implements that

https://github.com/vllm-project/router/blob/4df9bbc6562bd0ccaddb991efad581bfd14843a5/.buildkite/pipeline.yml#L193-L276

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ROCm doesn't improve their user experience & code quality

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extent analysis

TL;DR

Add AMD GPU tests to the vLLM router to ensure compatibility and functionality.

Guidance

  • Review the existing CUDA GPU tests in the vLLM router and adapt them for AMD GPU support.
  • Implement tests for RIXL in the vLLM router, as AMD already supports this feature.
  • Consider adding tests for MoRI kvcache transfer in the vLLM router once this feature is implemented.
  • Examine the pipeline configuration in .buildkite/pipeline.yml to ensure it accommodates the new tests.

Notes

The lack of AMD GPU tests in the vLLM router may limit its functionality and compatibility with certain systems.

Recommendation

Apply workaround: Add AMD GPU tests to the vLLM router, as this will improve compatibility and ensure the feature works as expected on different hardware configurations.

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