On Wed, May 27, 2020 at 12:04 PM Yoav Weiss <y...@yoav.ws> wrote: > +Ryosuke Niwa <rn...@webkit.org> +Alex Christensen > <achristen...@apple.com> who were involved in the spec discussions. > > On Wed, May 27, 2020 at 10:29 AM Noam Rosenthal <n...@webkit.org> wrote: > >> >> >> Following up on this. >> >>> FOn Tue, May 12, 2020 at 10:28 AM Maciej Stachowiak <m...@apple.com> >>> wrote: >>> >>>> >>>> >>>> On May 11, 2020, at 9:53 PM, Noam Rosenthal <n...@webkit.org> wrote: >>>> >>>> >>>> >>>> On Tue, May 12, 2020 at 1:36 AM Maciej Stachowiak <m...@apple.com> >>>> wrote: >>>> >>>>> >>>>> I noticed from comments in one of the Radars that the patch may result >>>>> in an additional “fake paint”, so it should probably be performance >>>>> tested. >>>>> Have you done any testing? >>>>> >>>> I've tested it locally, I haven't noticed any significant side effect, >>>> because in complex situations the fake paint only happens once per page and >>>> bails early once contentfulness is detected. but I can run any additional >>>> test needed. >>>> >>>> >>>>> We’ll likely want to A/B some of Apple’s page load speed benchmarks. >>>>> >>>> A/B testing load speed sounds sensible. How do we go about doing that? >>>> >>>> >>>> Unfortunately our page load speed benchmarks are not public because >>>> they incorporate captured page content, which we can’t freely redistribute. >>>> >>>> So, can someone else from Apple review that the code is mature enough >> for this? Simon had reviewed the original patch. Maybe Zalan/Darin? >> >> A helpful person from Apple may be able to set up an A/B test for this >>>> patch. >>>> >>> What's required to ask for help from a helpful person at Apple? :) >> > Hola Pinging about this again :) The code for paint timing API is sitting there in the repo, waiting either for internal Apple A/B tests, for an additional code maturity review, or for enabling it by default... I'm here if any changes in the code need to be made.
Trying to figure out how we can proceed with this... @Maciej Stachowiak <m...@apple.com>? Cheers
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