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@finbarrtimbers finbarrtimbers commented Jan 15, 2026

Ran single GPU GRPO (Beaker), single GPU GRPO with tools (Beaker), multi-node GRPO (Beaker), and DPO (Beaker) scripts. All succeeded.

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Summary of Changes

Hello @finbarrtimbers, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request performs a significant dependency upgrade, moving the vllm library to its latest version and updating PyTorch to leverage CUDA 13.0. These changes are crucial for maintaining compatibility with current GPU technologies and accessing performance enhancements. The modifications span across the project's dependency configuration files, ensuring a synchronized and up-to-date environment.

Highlights

  • vLLM Version Bump: The vllm library has been upgraded from version 0.12.0 to 0.13.0 across pyproject.toml, requirements.txt, and uv.lock.
  • CUDA Version Update for PyTorch: PyTorch dependencies have been updated to support CUDA 13.0, changing from cu129 to cu130. This includes updates to the PyTorch index URL and various nvidia-cuda related packages in pyproject.toml, requirements.txt, and uv.lock.
  • New Dependency Additions: Several new dependencies have been introduced or updated as a result of the vllm and CUDA upgrades, including cryptography, httpx-sse, ijson, mcp, pydantic-settings, pyjwt, and sse-starlette.
  • Dependency Lock File Regeneration: The requirements.txt and uv.lock files have been regenerated to reflect the updated dependency tree and ensure consistency.

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Code Review

This pull request updates the vllm dependency to version 0.13.0 and configures torch to use CUDA 13.0 wheels. The changes are correctly reflected in pyproject.toml, and the lock files requirements.txt and uv.lock have been updated accordingly. The new transitive dependencies introduced by vllm and the updated nvidia-* packages for CUDA 13.0 compatibility are all present in the lock files. The changes appear correct and consistent for a dependency upgrade. I have no specific code change requests, but I recommend adding a link to the vllm v0.13.0 release notes in the pull request description for better context for future readers.

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💡 Codex Review

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Reviewed commit: 4b2d76e820

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pyproject.toml Outdated
Comment on lines 56 to 60
{ index = "pytorch-cu130", marker = "platform_system != 'Darwin'"},
]

[[tool.uv.index]]
name = "pytorch-cu129"
url = "https://download.pytorch.org/whl/cu129"
name = "pytorch-cu130"

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P1 Badge Align CUDA toolkit with cu130 wheels

Switching the torch index to cu130 means torch.version.cuda will report 13.0, but the Docker image still builds from CUDA 12.8 (Dockerfile:1 uses nvidia/cuda:12.8.0-devel-ubuntu22.04). Any CUDA extension that compiles inside the image (e.g., deepspeed ops or other torch.utils.cpp_extension builds) will fail the CUDA version check because nvcc is 12.x while torch is 13.x. This breaks training/experiments that compile CUDA ops in the container unless the base image is upgraded to CUDA 13 or torch is kept on cu12.

Useful? React with 👍 / 👎.

finbarrtimbers and others added 10 commits January 15, 2026 11:13
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This fixes a circular import error in torchvision when running tests
on CPU-only CI environments. The issue was that torchvision was being
pulled from PyPI instead of the PyTorch cu130 index, causing a
version mismatch with torch.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
CUDA 13.0 requires newer drivers than available on Beaker clusters.
Reverting to CUDA 12.9 (cu129) which is compatible with the existing
infrastructure.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Required to run this script from macOS where vllm is not available.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
The tool arguments were changed in #1340 but this script wasn't updated.
Now uses the new format:
- --tools python (instead of --tools code search)
- --tool_call_names code
- --tool_configs '{"api_endpoint": "...", "timeout": 3}'
- --tool_parser_type legacy

Note: Search tool is not yet implemented in the new tools system.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@finbarrtimbers finbarrtimbers changed the title Bumps vllm version to 0.13.0 and torch to CUDA 13.0. Bumps vllm version to 0.13.0 and Dockerfile to CUDA 12.9. Jan 15, 2026
"tensorboard>=2.18.0",
"torch>=2.9.0,<2.10",
"torchvision>=0.24.0; platform_system != 'Darwin'",
"torchaudio>=2.9.0; platform_system != 'Darwin'",
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Why do we need these explicitly now?

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3 participants