[Webkit-unassigned] [Bug 73712] PODIntervalTree takes 1.7MB memory on www.nytimes.com

Thu Dec 8 19:47:16 PST 2011

https://bugs.webkit.org/show_bug.cgi?id=73712

--- Comment #13 from Yongjun Zhang <yongjun_zhang at apple.com>  2011-12-08 19:47:16 PST ---
(In reply to comment #12)
> > I agree.  How about we make a special cased PODArena for the PODIntervalTree that we know for sure each entry will have the same size, and keep the generalize case as it is?  That way we fix the memory issue without violating the invariants of PODArena.
> 
> Yes, you could subclass PODArena into PODFreeListArena<T> which only supports allocations and frees of a particular type. But would you give my suggestion about clearing out the arena some thought?

I was thinking to have Document hold up to a shared PODFreeListArena<T> and the arena will get cleared when the document is destroyed.

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