[Webkit-unassigned] [Bug 240984] [JSC] Promise/async is about 6x slower than v8

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jun 10 10:35:47 PDT 2022


--- Comment #4 from Yusuke Suzuki <ysuzuki at apple.com> ---
(In reply to Jarred Sumner from comment #1)
> They also implement an optimization for resolving promises that skips
> allocating a temporary promise.
> https://github.com/v8/v8/blob/f32335fea75b7bde495e0800d7f7349253f81a7c/src/
> builtins/promise-jobs.tq#L15

Note that JSC is doing the same thing internally :)

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