![]() Document Splitting Foundations (In-Progress by Doug Thayer)Īfter some pretty significant refactorings to work better with APZ, Doug posted a new stack of patches late last week which will sit upon the already large stack of patches that have already landed. This last bullet is where the team will be focusing its efforts – we want to have the initial content painted and settled much sooner than we currently do. Google Chrome is faster at painting its initial content.Firefox Nightly is consistently faster to draw its toolbar and browser UI.Firefox Nightly is consistently faster to reach first paint (that’s the big white window).The four on the left are Firefox Nightly, and the four on the right are Google Chrome (.98) The videos are aligned so that both browsers are started at the same time. The four on the left are Firefox Nightly, and the four on the right are Google Chrome (.98). This is when we capture display output from a testing device, and then analyze the videos. There are lots of ways to measure start-up time, and one of the ways we’ve been starting to measure is by doing frame recording analysis. If you want to improve something, the first thing to do is measure it. Start-up can mean a lot of things, so we’re focused specifically on cold start-up on the Windreference device when the machine is at rest. ![]() ![]() It’s been just a little over two weeks since my last update, so let’s see where we are!Ī number of our projects are centered around trying to improve start-up time.
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