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cuda.md

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title: CUDA breadcrumbs:

  • title: Configuration
  • title: High-Performance Computing (HPC) --- {% include header.md %}

NVIDIA CUDA (Compute Unified Device Architecture) Toolkit, for programming CUDA-capable GPUs.

Related Pages

{:.no_toc}

Resources

Installation

Linux

The toolkit on Linux can be installed in different ways:

  • Through an an existing package in your distro's repos (simplest and most compatible with other packages, but may be outdated).
  • Through a downloaded package manager package (up to date but may be incompatible with your installed NVIDIA driver).
  • Through a runfile (same as previous but more cross-distro and harder to manage).

If an NVIDIA driver is already installed, it must match the CUDA version.

Downloads: CUDA Toolkit Download (NVIDIA)

Usage

Programming

See CUDA (software engineering).

General Tools

  • Gathering system/GPU information with nvidia-smi:
    • Show overview: nvidia-smi
    • Show topology matrix: nvidia-smi topo --matrix
    • Show topology info: nvidia-smi topo <option>
    • Show NVLink info: nvidia-smi nvlink --status -i 0 (for GPU #0)
    • Monitor device stats: nvidia-smi dmon
  • To specify which devices are available to the CUDA application and in which order, set the CUDA_VISIBLE_DEVICES env var to a comma-separated list of device IDs.

{% include footer.md %}