Now on Bumbleblee, once it's installed and you've adjusted select shortcuts to start specific apps with optirun, the experience is from then on seamless. Bumblebee will automatically enable/disable the dGPU, no X restarts required. *That* is the main purpose of muxless tech - saving power by running only select apps on the dGPU. While AMD's hack is nothing more than old-school switching between GPUs.
No announcement yet.
Potential Good News For NVIDIA Optimus On Linux