Apple announces it will switch to its own processors for future Macs

Re:Apple announces it will switch to its own processors for ... by steveklabnik on Monday June 22, 2020 @05:33PM (#23607015)

Rust and ARM is just fine. For example, Cloudflare famously keeps their entire stack cross-compilable to ARM, and even ships Rust on iPhones.

There's two areas where I believe you could call it second-class at the moment, though:

1. There is no ARM targets in Rust's "Tier 1" platform support.

2. std::arch doesn't have ARM intrinsics in stable.

For 1, ARM targets are in a weird space; they aren't Tier 1, but they're closer than most of the other Tier 2 targets. Several ARM targets are Tier 1 for Firefox, for example, so they get a bunch of work done there.

For 2, well, there hasn't been as much demand before. I expect that to change because of this.

... we'll see what the future holds :)

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Re:Apple announces it will switch to its own processors for ... by sroussey on Monday June 22, 2020 @08:55PM (#23608832)

Sounds like this will cost Mozilla some time and money, but they will have to support it.

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Re:Apple announces it will switch to its own processors for ... by steveklabnik on Monday June 22, 2020 @09:12PM (#23608920)

I’m not sure why. As I said, they’ve been using Rust on ARM (as part of Firefox) for a long time; I’m not aware of them being unsatisfied with the current state.

I expect that the Rust project will end up benefiting from the extra interest though, and improving on the things above.

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Re:Apple announces it will switch to its own processors for ... by fork-bomber on Wednesday June 24, 2020 @06:20AM (#23626250)

There has been very good progress on filling in the gaps to officially get Rust's AArch64 Linux toolchain triple to Tier-1 this year. We have CI for the Rust compiler test suites on native AArch64 silicon in a joint collaboration between Arm and the Rust lang core team and are converging on zero compiler test failures. Overall, we are pretty close to attaining Tier-1!

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Re:Apple announces it will switch to its own processors for ... by steveklabnik on Wednesday June 24, 2020 @09:55AM (#23627892)

> a joint collaboration between Arm

Is this public knowledge yet?

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Re:Apple announces it will switch to its own processors for ... by fork-bomber on Wednesday June 24, 2020 @02:53PM (#23632260)

We haven't been very vocal about it just yet but all the bits to enable CI etc and the new t/compiler-arm Zulip stream are happening openly pretty much.

I'll be pinging all the relevant folks soon-ish (we're pushing out fixes to the last remaining compiler test suite failures this week).

I mean to keep you on CC as I did the last time!

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Re:Apple announces it will switch to its own processors for ... by steveklabnik on Wednesday June 24, 2020 @05:17PM (#23633982)

Cool, I was dancing around it in this thread and recently because I wasn't sure how public it was :) I appreciate it!

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Re:Apple announces it will switch to its own processors for ... by mlindner on Tuesday June 23, 2020 @02:51AM (#23610636)

Anything that runs Firefox also supports Rust as Rust is a core part of Firefox.

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