[webkit-dev] Performance of NamedAttrMap
darin at apple.com
Thu Oct 29 14:32:05 PDT 2009
On Oct 29, 2009, at 2:30 PM, Jens Alfke wrote:
> Is there any reason this couldn't be optimized to use a HashMap
Memory consumption is much greater.
> or at least binary search?
Would make lookups faster but parsing slower.
> (I thought the answer might be that the order of attributes is
> significant; but I just checked the DOM spec, and NamedNodeMap is
> explicitly unordered.)
The DOM specification is not what matters here. Behavior of actual
browsers is what determines website compatibility. So you will need to
do more research on that.
I think there could be some real room for improvement here, but also
plenty of opportunity to unwittingly make things worse.
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