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I like the direction Apple is going in. Probably not surprising given that their competitors (Microsoft and Google) make Shittier products every year, so they can try to get some consumers to switch that normally wouldn't consider Apple products.
To be fair: they didn’t start going this direction voluntarily, which I really hate.
They did not recognize that these things (like USB-C, alternate AppStores (and in Extension allowing emulation as people would more likely to jump on the other AppStores without it), …) would be helpful for them…
I have a functional version of Windows 95 on my phone now, so that’s neat. XP setup was too slow and I got impatient.
How well does it run Half Life Alyx on the Apple Vision Pro?
That wouldn’t work even if you could get a modern OS to run well
Whoosh
This emulator, without JIT, struggles to run windows XP. Let alone anything newer than that.
So no Half Life Alyx anytime soon. Maybe the original Half Life.
Why is JIT not being allowed in the app store?
Apple only allows JIT for development. Why? Only Apple knows.
Yep. I actually hate that.
Test it out today. The limitations are apparent. Without the JIT it's noticeable on my iPad compared to my mac. I actually thought it wasn't working - turns out it was just sssuuuuppppeerrrr slow. Happy to support its development though. I'd love to be able to run my development environment on my iPad one day.
No JIT so performance will be limited, however, a massive step forward for sure.
How can it virtualize/emulate without JIT? I’m aware of what JIT is in the context of programming languages, but I’m having trouble understanding how you can virtualize something without JIT.
To convert one processor architecture to another, instead of translating it into code of the correct architecture, you can also simply perform the operation in the loop by interpreting each instruction as it is encountered.
It’s the same distinction between a JIT and An interpreter. You can convert the code in chunks which is more efficient, or you can read the instructions one at the time and perform the corresponding operation.
Apple does not allow JIT of any form from third-party developers to my knowledge.
iirc they allow it in wasm, but that's about it
Correct me if I'm wrong but I think that code still technically runs as part of the browser, which is Apple code that is specially allowed to use JIT. The third-party code itself isn't the JIT.
Wow, I didn’t realize Apple was that serious. I always thought their stance was not wanting Node.js, Python, etc. (interpreted languages) running, not necessarily this.
You can ship Python in an iOS app just fine. It's dynamic code generation that is specifically disallowed, among other rules.