[docker] fix flashinfer-cubin version mismatch

[yueming-yuan]

No description provided.

[gemini-code-assist]

Summary of Changes

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This pull request resolves a version mismatch issue within the Docker development environment by precisely pinning the versions of flashinfer_python and flashinfer-cubin. This ensures that the correct and compatible versions of these libraries are installed, preventing build failures or runtime errors related to dependency inconsistencies.

Highlights

• Dependency Version Pinning: Explicitly pinned the versions of flashinfer_python and flashinfer-cubin to 0.6.2 to resolve potential version mismatch issues.
• Docker Build Fix: Addressed a build issue within the Docker development environment by ensuring consistent flashinfer component versions.

Changelog

• docker/Dockerfile.dev
  • Updated the pip install command to specify exact versions for flashinfer_python and flashinfer-cubin.

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[gemini-code-assist]

Code Review

The pull request addresses a version mismatch between flashinfer_python and flashinfer-cubin by pinning both to version 0.6.2. This is a necessary fix for stability when using pre-built kernels. However, using the exact equality operator (==) in the Dockerfile can lead to build failures because CUDA-specific wheels often include local version suffixes (e.g., +cu121) which are not ignored by the == operator. I have suggested using a version range to ensure compatibility with these wheels while still enforcing the 0.6.2 release version.

[gemini-code-assist]

Using an exact version match (==0.6.2) for CUDA-dependent packages like flashinfer is risky. Pip's == operator requires an exact string match, including any local version identifiers like +cu121 or +cu124. Since flashinfer wheels are typically tagged with the CUDA version, pip install "flashinfer_python==0.6.2" will fail if only 0.6.2+cu121 is available.

Switching to a version range like >=0.6.2,<0.6.3 allows pip to match the 0.6.2 release regardless of the local CUDA suffix, while still preventing an accidental upgrade to 0.6.3.

RUN pip install "flashinfer_python>=0.6.2,<0.6.3" "flashinfer-cubin>=0.6.2,<0.6.3" --no-deps