Described and illustrated, with key points on cables, and setting up ownership and accounts. And what does happen when the external boot disk is missing?
Apple silicon
Why your Mac’s firmware version may not be the latest you expect. What you can do about that, depending on its type.
Virtual CPU cores are of one type, and QoS has no effect in virtualised macOS. This has consequences for both the host and guest macOS.
Many apps could benefit users of Apple silicon Macs by giving them controls over core use by their threads. Here’s how that can be done simply and effectively.
How you can use the taskpolicy command to confine all the threads of a process to the E cores, as a brake, but there’s no accelerator in macOS.
How can the two E cores in an M1 Pro or Max equal performance of the four in the original M1? Why does running two threads complete in half the time taken to run one?
Threads, GCD and core allocation in Apple silicon explained. How thread priority is baked into code, and how important it is to performance.
The rules of firmware updating explained, and their consequences for each type of Mac. How to refresh firmware on a T2, and how to downgrade it in an Apple silicon Mac.
P cores are conventional in that they can deliver excellent performance at maximum frequency, but with high power use. E cores may take 4 times as long for a task, but use less than a third of the energy.
Today, 4 October, this year’s MacSysAdmin conference has started. Before you book your flight to Sweden, as with […]
The Eclectic Light Company 