iMac 27 with NVIDIA GeForce GTX 780M 4096Mo.
According to information of Adobe, my graphic card equipped with the last driver Nvidia 4.1 should benefit from acceleration equipment.
But that does not work under indesign CC 2017.
Acceleration GPU works with Photoshop CC 2017and Illustrator CC 2017.
Why indesign not work?
The requirement for GPU in InDesign CC 2015 or 2017 is not only that you have the right graphic card and VRAM. In addition, you must have a Retina display or HiDPI display. That is different than the requirement in Illustrator and Photoshop. It would be good for that to change in the future (as well as Windows support) but that's the way it is now: