Bug 1708381 Comment 4 Edit History

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Profile with broken code shows massive jank and very long requestAnimationFame callback running times.  Most of the time (72%) is spent in a single wasm function (labeled "612").  Profile with good code has none of those problems, it's mostly idle.
Running Ion-only: Profile with "bad" code shows massive jank and very long requestAnimationFame callback running times.  Most of the time (72%) is spent in a single wasm function (labeled "612").  Profile with good code has none of those problems, it's mostly idle.

Running baseline-only, the profile for the "bad" code resembles the Ion profile for the "good" code, there's no jank, animation callbacks are 11-14ms.

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