Enable CUDA for WSL

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Enabling CUDA on WSL2 is currently the only option to share GPU power on WSL2 at the moment of writing, there is no AMD OpenCL support yet.

NOTE: This will require a preview version of windows and keep in mind that the process is still a bit “buggy”, I would recommend against this procedure unless you don’t mind a couple of error messages.

NOTE: Please make sure that you have a glibc based distribution installed (e.g., Ubuntu/Debian)

1. Determine your windows 10 version

Press the start button and type “winver” a popup screen appears, look for (OS Build xxxxx.xxxx)
check the first 5 digits, these need to be equal or higher than 20150
If your build number is lower than this, continue with step 2 otherwise continue with step 3

2. Updating windows version to latest development version

The first thing you need to do is register for the Windows insider Program when you have completed the registration follow the instruction to install the latest insider build.

3. Install the Nvidia CUDA driver

Download and install the Nvidia CUDA enabled driver for WSL2

4. Check WSL kernel version

Version 4.19.121 or higher is required for CUDA to work, in order to check the current version, start PowerShell and execute
wsl cat /proc/version
If your version is lower than run windows update.