I've been a bit sloppy with language here, I meant to say "currently built only in Nightly, and off by default behind the preference", the way I had it phrased originally may have sounded like the pref was already on in Nightly. I'm sorry about any confusion. I'll try to be clearer in the future.
On Fri, Feb 14, 2025 at 12:33 PM Daniel Minor <[email protected]> wrote: > As of Firefox 137, I intend to enable Atomics.pause by default on all > platforms. It is currently enabled only in Nightly builds, behind the > `javascript.options.experimental.atomics_pause` preference. The > Atomics.pause proposal allows using dedicated CPU instructions for > microwaits, e.g. when contending for a spinlock, leading to improved power > consumption over naive implementations. Our implementation was contributed > by a volunteer, André Bargull. Thanks Anba :) > > The proposal is currently at Stage 3 of the TC39 process. Both > JavaScriptCore ( > https://webkit.org/blog/16205/release-notes-for-safari-technology-preview-207/) > and V8 (https://issues.chromium.org/issues/352359899) have already > shipped their implementations. > > Bug to turn on by default: > https://bugzilla.mozilla.org/show_bug.cgi?id=1937805 > > Standard: https://github.com/tc39/proposal-atomics-microwait > > -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/a/mozilla.org/d/msgid/dev-platform/CAC_Rxa4-m6bpuLRA6%2Bde%3D8th1H3zQ2D5%2ByXuvevQdcTM9q9J%2Bg%40mail.gmail.com.
