RE: [xsl] XTDE1490 and using the Saxon transformer multiple times

["Michael Kay" <mike@xxxxxxxxxxxx>]

> I want to transform a largeish number of XML instances (a few
> thousand) at a time, and so want to avoid repeatedly 
> recompiling the XSLT script.  I suppose an alternative would 
> be to create a Template, and repeatedly create a Transformer 
> from that.  That would be quite cheap, yes?

It's very important to reuse the Templates object, which is the result of
compiling the stylesheet. Reusing the Transformer, in the case of Saxon at
any rate, usually achieves very little. The main effect is that Saxon
retains the document pool - that is, documents loaded using the document()
function. This is a good thing if successive transformations load the same
documents using document(), and it's a bad thing if they don't.

Michael Kay
http://www.saxonica.com/