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Why macOS 14.2 & 14.2.1 VMs lose shared folders, and how to work around it
As I announced a couple of days ago, if you run a virtual machine (VM) running macOS Sonoma 14.2 or 14.2.1 on an Apple silicon Mac, you’re likely to lose access to any shared folders that you’d expect...
View ArticleWhen macOS won’t work with the App Store
Building software to virtualise another operating system on a Mac used to be a flourishing trade. Two major contenders emerged: VMware, which grew in 25 years to have total assets of over $30 billion...
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Can a different core allocation strategy work on Apple silicon?
One of the most characteristic features of the behaviour of Apple silicon chips is the way that threads are allocated by cluster. This is because their CPU cores are built into clusters, with each core...
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Making the leap from Mojave to Apple silicon
Apple silicon Macs are now attracting those who haven’t changed their Mac for quite a few years. In recent weeks, I’ve had questions from quite a few who are making the huge leap from a ‘cheesegrater’...
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Why are Apple silicon VMs so different?
Running macOS virtual machines (VMs) on Apple silicon Macs may not seem popular, but it has long been one of Apple’s important goals. Yet, if you do use a virtualiser on an M-series Mac, you’ll know...
View ArticleLast Year on My Mac: 2 Apple silicon comes of age
Last Sunday, Christmas Eve, I looked at one of the major changes in macOS that Apple quietly slipped out in Sonoma. This article considers its most remarkable achievement in hardware over the last year...
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Virtualise Linux on Apple silicon with Liviable beta 4
As I have been promising for far too long, here at last is a new version of my free virtualisation app for running Linux on Apple silicon Macs, Liviable. This does for Linux what Viable does for macOS,...
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M3 CPU cores have become more versatile
One common observation about Apple’s new M3 series chips is that they have put more distance between their Pro and Max variants. In both previous families, those two variants have differed most in...
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Changing systems from Mojave to Sonoma
A great deal has changed in macOS over the last five years, when going from macOS 10.14 Mojave to 14 Sonoma. This article looks at some facts and figures about what used to be the System folder, and...
View ArticleLiviable version 1.0.5 (beta 5)
Following your comments and reports, I’m delighted to offer the fifth beta-release of my lightweight Linux virtualiser for Apple silicon Macs, Liviable. This version addresses two bugs in the previous...
View ArticleHow virtualisation came to Apple silicon Macs
In the weeks prior to Apple’s announcement of the first Apple silicon Macs in June 2020, there was intense speculation over how they would run existing macOS software. While most correctly recognised...
View ArticleHow M1 Macs may lag behind
Like it or loathe it, AI seems here to stay, and in the form of machine learning (ML) has already been changing our Macs. Use Spotlight, Siri, word completion, or any image processing tools, and you’ll...
View ArticleWhy the M2 is more advanced that it seemed
When Apple launched its M2 chip at WWDC 18 months ago, in June 2022, pretty well everyone saw it as evolutionary, significantly faster than its predecessor the M1, but offering little real change in...
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What changed CPU performance from the Macintosh 128K to the M3?
Over the 40 years since Steve Jobs launched the Macintosh 128K on 24 January 1984, Macs have been continuously improving their performance, as have all computers, of course. There are many ways that...
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Exploring sysctl’s secrets with a new version of Mints
Over the last week or so, I’ve been referring to a command tool that can reveal secrets about what your Mac’s processor can do, sysctl. As it’s not the easiest of tools to use, I thought it might be...
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Last Week on My Mac: Secrets of Apple silicon
Next week’s anniversary is, of course, the fortieth of the Macintosh, launched in the famous 1984 commercial aired during the 1984 Super Bowl on 22 January, and shipped just two days later. Last week’s...
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Why does virtualisation run some code far slower on Apple silicon?
One of the most valuable features of virtualisation of macOS guests on an Apple silicon host is near-native performance. I have previously reported measurements of integer and floating-point core...
View ArticleLast Week on My Mac: Wobbling plates and bfloat16 support
Few acts can excite an audience as much as the plate-spinner darting between crockery threatening to wobble out of control and smash on the stage below. In last week’s plate-spinning act here, I’ve...
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Summary of macOS VM performance on Apple silicon Macs
Lightweight virtualisation of macOS on Apple silicon Macs is intended to deliver performance close to that of the host, and tests I’ve performed bear that out. However, I gather that results aren’t...
View ArticleLast Week on My Mac: Back to USB basics
While everyone else has been drooling or carping over the Apple Vision Pro, and laughing themselves silly over the bogus story of three million hacked electric toothbrushes, I’ve gone back to basics,...
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