NVIDIA's Server-Side GLVND Implementation

[cj.wijtmans]

that sounds like a lot of expensive copying, which would hurt graphics performance, battery life (both in terms of bus usage and having 2 gpus somewhat active), and implementation of fancy features.

It adds a delay but its minor. This how a lot of laptops function with a dedictated and integrated gpu.

[polarathene]

Afaik, bumblebee works to redirect the full screen, not individual windows. But I may be wrong.

As a user of it I've used games in windowed mode and recall a big difference in fps vs the iGPU, so it most definitely worked fine with windowed applications.