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spark-environment-setup

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Set up a working ML training/inference environment on NVIDIA DGX Spark (GB10, aarch64, CUDA 13). Use when installing PyTorch/Unsloth/TRL/vLLM on DGX Spark, hitting libcudart or wheel-ABI errors on aarch64, or choosing between NGC containers and bare pip installs.

plugins/dgx-spark-ops/skills/spark-environment-setup/SKILL.md

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Nov 9, 2026
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# Spark Environment Setup

DGX Spark ships a GB10 Grace Blackwell chip: aarch64 CPU, SM121
GPU, 128GB unified memory, CUDA 13. This is a narrower and
younger platform than a standard x86 CUDA 12 box, so package
selection and ABI matching matter more than usual — the wheel
ecosystem for aarch64 + CUDA 13 is still filling in.

## When to Use This Skill

- Setting up a fresh Spark box for training or inference.
- Hitting an import error mentioning `libcudart`, a missing
  symbol, or a wheel that "installed fine but won't load."
- A framework install (PyTorch, Unsloth, TRL, vLLM, xformers)
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