How to use Cuda with torch in jetson orin nano with jetpack 5.1.2

I have jetson orin nano with 8 gb ram and jetpack 5.1.2 where it showing open cv with cuda is yes but when import torch and run for cuda it display false . I ha d python version 3.8.10.So,how i can use cuda or GPU for this.


These are different libraries so please check which one (or both?) you need for the CUDA support.

We provide the prebuilt with CUDA support.
Please find the installation instructions below:

The default package in JetPack doesn’t build with CUDA support.
Please build it from the source. You can find a script in the below link:


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