You probably won't have noticed the following problem, unless you happen to be the IT manager in an architecture firm or other specialist environment, but it's been an issue nonetheless. For all our ability to virtualize compute and graphical workloads, it hasn't so far been possible to share a single GPU core across multiple users. For example, if you'd wanted 32 people on virtual machines to access 3D plumbing and electrical drawings via AutoCAD, you'd have needed to dedicate eight