This means that starting with macOS 10.14 Mojave, Nvidia GPUs are no longer compatible with Mac systems (this doesn’t include Nvidia cards shipped with Mac systems, such as those in retina MacBooks).
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So what exactly has changed? Well, unfortunately, Nvidia has dropped GPU support for Mac systems. GPGPU is still the way to go if you’re a creative professional, but the advice is now a little different. You may remember, we first published an article on this very topic back in 2015, some of it still stands, but a lot has changed and it’s definitely time for an update. Nvidia cards support CUDA and OpenCL, AMD cards support OpenCL and Metal. The GPGPU frameworks you have access to depend on the GPU you have in your Mac. This bidirectional processing is hugely beneficial in a wide variety of tasks relating to video, still image and 3D graphics. GPGPU changes this and allows data to flow in both directions.
Before GPGPU, data could be passed from the CPU to the GPU, but not back. If you want to dig deeper, GPGPU is the act of a GPU performing tasks normally handled by the CPU (processor). This could be a reduction in rendering time, better real-time previewing, or access to higher-quality effects. So now we know what GPGPU stands for, what does it actually do? GPGPU takes advantage of software frameworks such as CUDA (Nvidia), OpenCL (open source) and Metal (Apple) to accelerate certain functions in your favourite creative software with the goal of making your work life quicker and easier. When we talk about GPU acceleration we’re talking about GPGPU, that is, general-purpose computing on graphics processing units. What does it all mean? Well, pull up a chair because Create Pro is here to break it all down. You’ve heard of it, but you’ve also heard lots of confusing terms bandied around, GPGPU, CUDA, real-time rendering, OpenCL, Mercury Graphics Engine, Metal. GPU hardware acceleration is a thing, and it has been a thing for quite some time now. So you’re a Mac user and a creative, plus it’s 2020.
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