How fast is a macOS VM, and how small could it be?

Posted by moosia 1 hour ago

How fast is a macOS VM, and how small could it be?(eclecticlight.co)

29 points | 5 comments

nottorp 37 minutes ago|

> Starting with 4 virtual cores and 8 GB vRAM, where the VM ran perfectly briskly with around 5 GB of memory used

But... if you start applications inside your VM it will want the full 8 Gb you've allocated not the 5 Gb it uses at startup?

stingraycharles 14 minutes ago|

I don’t assume that macOS virtualization is advanced enough to support memory ballooning, or is that not what you’re referring to?

pyth0 2 minutes ago|||

I don't assume anything either, but a single Google search is enough to dispel that [1]

[1] https://developer.apple.com/documentation/virtualization/vzv...

nottorp 3 minutes ago|||

What will that help with if the host and guest combined need > physical ram?

dieulot 41 minutes ago|

I'm wondering if the Xcode simulator (without Xcode running) performs as well, my 2020 Intel MacBook Air has been incapable of running Safari in iOS smoothly for nearly all its life.