> 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 described.
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I don't know of other products that have this capability.
At the same time, I don't have any measurements that show what benefits
it brings across a representative selection of schemas - I would be
interested in user feedback on this.
Michael Kay
Saxonica