Select a test, time it, and compare the result with those from other systems. Choose whether to use a synthetic or application benchmark, and don’t forget your confirmation bias.
GPU
How can you tell how much memory is being used by the GPU when both CPU and GPU use Unified Memory? Does it matter anyway?
Metal provides low-level access to 3D graphics, rendering and compute features in GPUs. With the deprecation of OpenGL and OpenCL, it’s vital, especially for M1 Macs/
How does unified memory make Apple Silicon Macs faster? Why can’t you add your own memory? How much do you need?
Summary and links for the latest information about what’s in the current M1 chip, from differences in caches between cores, to the Matrix Coprocessor and Fabric limitations.
iOS and iPadOS apps run on M1 Macs in an environment managed by RunningBoard, FrontBoard, FuseBoard, and several assistants.
In an M1 Mac, all its main components are tightly integrated and interdependent. To achieve performance with versatility, they come ready-built, not kits.
How to tell apart unexpected quits, WindowServer crashes, kernel panics, and more – and what to do about them.
What is wrong when, out of the blue, the display freezes for ten seconds, then you see a black screen and are asked to log back into your account? Malware perhaps?
When everything is running sweetly, macOS performance isn’t a problem. In most respects, though, 10.15 is no better prepared to cope with problems than 10.0 was almost 20 years ago.
The Eclectic Light Company 