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

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=191160

--- Comment #27 from Saam Barati <sbarati at apple.com> ---
(In reply to Suresh Koppisetty from comment #24)
> (In reply to Saam Barati from comment #23)
> > Comment on attachment 354003 [details]
> > Patch
> > 
> > View in context:
> > https://bugs.webkit.org/attachment.cgi?id=354003&action=review
> > 
> > > Source/WebKit/ChangeLog:11
> > > +        bootstrap message (sent to launchd for launching a new target process) when the main queue is busy.
> > 
> > Did this speed up process launch time?
> 
> Yes. Here are the numbers.
> 
> 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.

Nice. That’s awesome. FWIW, this is the kind of data that’s good to put in the changelog entry.

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