Exploiting Undefined Behavior in C/C++: A Study on the Performance Impact

Well... I mean in 2009 I remember being able to run Windows on my Mac completed separate from MacOS through bootcamp. They marketed it as the best Windows PC, was on a Mac.

They weren't forced to do that but chose to

gblargg•3h ago

> emulates Windows 11 inside iPadOS by translating Windows code into ARM instructions

Do they mean x86 instructions, or Windows system calls? Regardless, there is a Windows 11 ARM64 build so I wonder why they aren't using this.

walterbell•3h ago

First sentence of the article:

  Windows 11 ARM running on an M2 iPad Air using emulation

gblargg•3h ago

And it talks about "translating Windows code into ARM", and using a just-in-time compiler. It sounds like perhaps it's "compiling" ARM into ARM, because the original ARM can't be run due to Apple's restrictions.

volemo•2h ago

I wonder why they decided to run the ARM version of Windows though. If one emulates, does it really matter what platform to emulate? Isn’t Windows for x86 still quite a bit more useful (e.g. doesn’t have to run a second layer of emulation to run x86 apps)?

volemo•3h ago

> Regardless, there is a Windows 11 ARM64 build so I wonder why they aren't using this.

Because iPadOS doesn’t support virtualisation, so they have to emulate something.

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Stop Writing `init` Methods

Stop Writing `init` Methods