I’m glad you managed to make it work. Working on Mac, I don’t know what is the “latest” way to install the gl drivers on ubuntu, but I’m sure that info can be found online.
The default drivers might work just fine but may not fully use the capability of your GPU. On small/toy problem everything is fine but once you start loading real data, you may start seeing some the difference in speed.
Anyhow, if you feel you want to update the documentation, you can edit the following file:
Ideally you should submit a PR with your changes, but if you send me a new version by email, I can push it for you.
