On Fri, 4 Aug 2017, Darr247 wrote: > I don't know how to tell which graphics adapter is being used by a > particular app in CentOS... the only benchmarking suite I've heard of for > CentOS is Phoronix (look in EPEL), which should have the GLMark2 benchmark > to test the OpenGL renderers. I'm not aware of any linux flavor that > supports Direct3D. You want to look into Bumblebee for this hybrid nvidia setup. https://elrepo.org/tiki/bumblebee jh