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GPU

Explainer: Benchmarks

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.

April 16, 2022 Macs, Technology

Making sense of M1 memory use

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?

March 1, 2022 Macs, Technology

Explainer: Metal

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/

January 15, 2022 Macs, Technology

Explainer: Unified memory

How does unified memory make Apple Silicon Macs faster? Why can’t you add your own memory? How much do you need?

October 23, 2021 Macs, Technology

What’s in an M1 chip, and what does it do differently?

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.

August 24, 2021 Macs, Technology

How macOS manages iOS apps: RunningBoard comes of age

iOS and iPadOS apps run on M1 Macs in an environment managed by RunningBoard, FrontBoard, FuseBoard, and several assistants.

April 21, 2021 Macs, Technology

How unified memory blows the SoCs off the M1 Macs

In an M1 Mac, all its main components are tightly integrated and interdependent. To achieve performance with versatility, they come ready-built, not kits.

November 11, 2020 Macs, Technology

Did your Mac crash, freeze or panic?

How to tell apart unexpected quits, WindowServer crashes, kernel panics, and more – and what to do about them.

June 6, 2020 Macs, Technology

WindowServer-GPU crash: different from a kernel panic

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?

June 5, 2020 Macs, Technology

Why macOS has to change, and how iOS is showing the way

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.

November 21, 2019 Macs, Technology

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