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Re: XML vs. object model resource usage for manipulation

• From: "Rochelle Edens" <edensr@b...>
• To: xml-dev@i...
• Date: Tue, 10 Aug 1999 19:54:31 -0500

I'm actually more concerned about DOM manipulation and parsing-activities in comparison to
creating an object and method invocations.  I understand there's a lot of overlap and
instantiating objects is inherent to both, and maybe I need to dig through parser code and see
how it's working and what's getting created.  My thinking was that it could *potentially* be
an issue.

Thanks,
    Rochelle

David Megginson wrote:

> Rochelle Edens writes:
>
>  > I'm investigating intra/intercomponent xml processing and am
>  > wondering how this relates to traditional 'object model' processing
>  > with respect to processor hits and memory usage.  Is one way going
>  > to be less resource intensive than another?
>
> They cannot really be compared -- XML is a mechanism for serializing
> an object tree, while object trees are a mechanism for compiling XML
> documents.  If you write everything out as XML and then read it in
> again, of course you'll take a hit, but presumably you don't write it
> out unless you have to do something with it (give the information to
> someone else, save the state of your object tree between invocations,
> or archive the information somewhere).
>
> Think of your object tree as RAM, and XML as the hard drive -- RAM's
> usually faster, but the information has to come from somewhere.
>
> All the best,
>
> David
>
> --
> David Megginson                 david@m...
>            http://www.megginson.com/
>
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