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Category Archive: Macs

How does macOS manage virtual cores on Apple silicon?

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Code run in a lightweight Virtual Machine can’t take advantage of the Efficiency cores of the host Apple silicon Mac. How then does Sonoma handle its threads?

October 23, 2023 Macs, Technology

Last Week on My Mac: Handling errors

Confess, identify, solution, damage limitation, and reference – key elements in the information an app needs to provide the user when an error occurs.

October 22, 2023 Macs, Technology

Saturday Mac riddles 226

Here are this weekend’s riddles to entertain you through family time, shopping and recreation. 1: Conversions in 2017 […]

October 21, 2023 General, Macs, Technology

What happens when you run a macOS VM on Apple silicon?

Once the virtualisation app has configured a VM to be run, it starts it, and stands back as the macOS Virtual Machine Service does all the hard work.

October 21, 2023 Macs, Technology

What security updates does my macOS get?

Which versions of macOS get which types of security update, which have protection from XProtect Remediator, and can you still rely on Safari?

October 20, 2023 Macs, Technology

What you can do with lightweight VM Shared Folders, and what you can’t

How to run apps on the host, access iCloud Drive, and get faster file write performance in a macOS VM. And why Spotlight is limited, and the Force Quit dialog a bit odd.

October 19, 2023 Macs, Technology

How Game Mode manages CPU and GPU

How does Game Mode give highest priority access to CPU and GPU? An investigation of the involvement of P and E cores, and the GPU brings some surprises.

October 18, 2023 Macs, Technology

What does Game Mode do?

Apple claims it gives a game highest priority CPU and GPU access, and reduces Bluetooth input and audio latencies too. Does it, though?

October 17, 2023 Macs, Technology

Solutions to Saturday Mac riddles 225

I hope that you enjoyed Saturday’s Mac Riddles, episode 225. Here are my solutions to them. 1: Stacks […]

October 16, 2023 General, Macs, Technology

Sonoma’s changes to iCloud may stop Time Machine backups completing

Sonoma’s changes to iCloud can result in very large and protracted syncs, that can block Time Machine backups from completing. Here’s what you can try, and what you shouldn’t do.

October 16, 2023 Macs, Technology

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