[Webkit-unassigned] [Bug 191160] Don’t use the main queue to create an XPC connection

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Nov 7 15:05:17 PST 2018


--- Comment #25 from Geoffrey Garen <ggaren at apple.com> ---
> Total Process Launch time changed from  330.49 ms to 271.58 ms
> Process Launch time changed from 131.45 ms to 65.04 ms
> Looks like a ~18% gain in the total process launch time (includes
> initialization of web process) and about ~50% in process launch time.

I believe this is as measured by the new tab benchmark. One thing that's unique about the new tab benchmark is that it opens a new tab, which can make the UI process's main thread busy with UI rendering work. (In theory, a perfectly idle app will not benefit from this change.)

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