---
title: "CUDA, Drivers, PyTorch & GPU Compatibility"
description: "The four software layers between a GPU and PyTorch, how to read nvidia-smi, and the Python checks that prove the driver, CUDA and your PyTorch build agree."
canonical_url: "https://fanout.sh/inference-eng/curriculum/00-08"
md_url: "https://fanout.sh/inference-eng/curriculum/00-08.md"
access: "public"
---

# CUDA, Drivers, PyTorch & GPU Compatibility

The four software layers between a GPU and PyTorch, how to read nvidia-smi, and the Python checks that prove the driver, CUDA and your PyTorch build agree.

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