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These include accelerating the user interface, providing support for advanced display features, rendering 3D graphics for pro software and games, processing photos and videos, driving powerful GPU compute features, and accelerating machine learning tasks. This design fuels the visually rich and graphical macOS experience as well as many deeper platform compute and graphics features. Mac hardware and GPU software drivers have always been deeply integrated into the system. When the eGPU is re-attached, it automatically sets the external display as the primary display. If you disconnect the eGPU, your Mac defaults back to the internal graphics processors that drives the built-in display. Drag the white menu bar to the box that represents the display that's attached to the eGPU.Click Displays, then select the Arrangement tab. Choose Apple menu  > System Preferences.Quit any open apps that you want the eGPU to accelerate on the primary display.Open the apps that you want to use with the eGPU.Select the display that's attached to the eGPU, then choose Use as Main Display.Choose Apple menu  > System Settings (or System Preferences), then click Displays.Quit any open apps that you want the eGPU to accelerate on the primary display.Since apps default to the GPU associated with the primary display, this option works with a variety of apps. The latest advancements in Metal Ray Tracing mean less GPU time is spent building acceleration structures, work like culling can move to the GPU to reduce CPU overhead, and both intersection and shading can be optimized with direct access to primitive data.If you have an external display connected to your eGPU, you can choose it as the primary display for all apps. The new Metal backend in PyTorch version 1.12 enables high-performance, GPU-accelerated training using MPS Graph and the Metal Performance Shaders primitives. This new geometry pipeline replaces vertex shaders with two new shader stages - object and mesh - that enable more flexible culling and LOD selection, and more efficient geometry shading and generation. The compiler can generate GPU binaries at project build time to eliminate in-app shader compilation, helping games improve performance and reduce load times. Optimally stream asset data to Metal textures and buffers directly from storage using asynchronous I/O. Choose a combination of temporal or spatial algorithms to help boost performance. Render complex scenes in less time per frame with high-performance upscaling and anti-aliasing.