[Webkit-unassigned] [Bug 73853] Inserting nodes is slow due to Node::notifyNodeListsAttributeChanged (20%+)
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue Dec 6 15:31:45 PST 2011
https://bugs.webkit.org/show_bug.cgi?id=73853
--- Comment #14 from Ojan Vafai <ojan at chromium.org> 2011-12-06 15:31:45 PST ---
(In reply to comment #10)
> I have a hypothesis that we can just invalidate all caches whenever DOM mutation happens. In this world, each document will have a hashmap from node -> node list (probably excluding childnodes), and we'll remove all caches whenever a DOM mutation happens.
>
> I've collected 191220 samples while browsing websites like Gmail, Google+, Twitter, Facebook, etc...
>
> total: 191220
> hits: 185772 (97.151%)
> misses: 3559 (1.861%)
> hits that will be missed under this approach: 1889 (0.988%)
Does this exclude childNodes nodelists?
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