On 9/23/13 1:44 PM, Josh Matthews wrote:
https://github.com/mozilla/servo/wiki/Meeting-2013-09-23
Fwiw, lots of proxies (e.g. document.forms) are definitely
long-lived.... I realize that's more of a long-term concern, and we
need trace hooks for proxies a
If people familiar with layout could read over Patrick's assumptions
about Gecko layout and confirm/deny, that would be great.
> believe that page is large, partway through parsing it starts reflow,
> then reflows rest later.
That can definitely happen. Even for non-large pages, depending on
scripts and stuff.
> seems accurate way to measure reflow is to sum time of both.
It really depends on what you're measuring. There's reflowing during
pageload (which involves heuristics for when to do it and
nondeterminism), which obviously affects pageload performance. There's
reflowing in response to scripted changes, whether due to a layout flush
from script or not.
It's hard to say more here without seeing the actual testcase being
measured.
-Boris
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