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Re: [xml-dev] [Summary] Big hierarchy of XML Schema documents ... which XMLSchema validators bring in the documents on demand?

> > Is it widespread among products, then, this ability to access 
> compiled schemas after initial loading when validating instance 
> documents conforming to the same schema?  Although I don't know how 
> to quantify these improvements (anyone have a reference?), it does 
> sound like this capability should address the performance concerns I 
> > 
> I don't know of other products that have this capability.

The DataPower products work this way.  XSLT, XSD, WSDL, XACML, etc., files 
are compiled to object code the first time they're used (or you can 
pre-load the object cache). Then when actually "used" the object code is 
executed directly by the CPU(s).

I don't have any comparisons -- we've always done it this way -- but we're 
pretty sure it's one of the reasons why DataPower has been so fast.


STSM, WebSphere Appliance Architect

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