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[Core] Deprecate xformers (#29262)

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Signed-off-by: Roger Wang <hey@rogerw.io>
This commit is contained in:
Roger Wang
2025-11-23 20:18:55 -08:00
committed by GitHub
parent 5253f4276f
commit 0ff70821c9
31 changed files with 77 additions and 963 deletions
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docs/contributing/ci/update_pytorch_version.md
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@@ -98,21 +98,6 @@ to warm it up so that future builds are faster.
<img width="60%" alt="Buildkite new build popup" src="https://github.com/user-attachments/assets/a8ff0fcd-76e0-4e91-b72f-014e3fdb6b94">
</p>
## Update dependencies
Several vLLM dependencies like xFormers depend on PyTorch and need
to be updated accordingly. Rather than waiting for all of them to publish new
releases (which would take too much time), they can be built from
source to unblock the update process.
### xFormers
```bash
export TORCH_CUDA_ARCH_LIST='7.5 8.0+PTX 9.0a'
MAX_JOBS=16 uv pip install --system \
--no-build-isolation "git+https://github.com/facebookresearch/xformers@v0.0.32.post2"
```
## Update all the different vLLM platforms
Rather than attempting to update all vLLM platforms in a single pull request, it's more manageable