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These tweaks seem to work with DGX Spark. I am able to run the GPT-OSS-20B 2048 notebook.

Solves issue #132

These tweaks seem to work with DGX Spark
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Summary of Changes

Hello @sameersegal, 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 updates the Dockerfile_DGX_Spark to enhance its compatibility and stability within DGX Spark environments. The modifications primarily involve a minor correction to the CUDA_HOME environment variable and a significant adjustment to the Python package installation process. These changes are crucial for enabling the successful execution of the GPT-OSS-20B 2048 notebook and resolving issue #132.

Highlights

  • CUDA_HOME Path Correction: Removed a trailing slash from the CUDA_HOME environment variable definition in the Dockerfile, ensuring the path is correctly set.
  • Dependency Installation Refinement: Refactored the pip install commands to separate the installation of bitsandbytes, transformers, and trl (with --no-deps) from unsloth and unsloth_zoo. This change likely addresses dependency conflicts or ensures a more stable installation order for these critical packages.
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Code Review

The Dockerfile updates primarily focus on adapting the environment for DGX Spark, as indicated by the PR description. A minor path normalization for CUDA_HOME was applied. The most significant change involves modifying the pip install commands, specifically introducing the --no-deps flag for core libraries. While this might be intended for precise dependency control, it introduces a potential risk of missing runtime dependencies if not carefully managed, which could lead to unexpected failures.


# Install unsloth and other dependencies
RUN pip install unsloth unsloth_zoo bitsandbytes==0.48.0 transformers==4.56.2 trl==0.22.2
RUN pip install --no-deps bitsandbytes==0.48.0 transformers==4.56.2 trl==0.22.2
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high

The addition of --no-deps to the pip install command for bitsandbytes, transformers, and trl means these packages will be installed without their declared dependencies. This can lead to runtime errors if their required dependencies are not already satisfied by the base image or explicitly installed in a previous step. It's generally safer to let pip manage dependencies unless there's a very specific reason to override this behavior, and if so, those dependencies should be explicitly handled. Consider removing --no-deps for a more robust installation, or explicitly list and install all necessary dependencies for these packages.

RUN pip install bitsandbytes==0.48.0 transformers==4.56.2 trl==0.22.2

@danielhanchen danielhanchen merged commit fdc0d2c into unslothai:main Nov 21, 2025
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Oh thank you so much!

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