Re: Xalan's stree & dtm

[Scott_Boag]

I don't understand this note.  We're all concerned with performance.  I
think Morten only said that, for instance, the stylesheet author should not
have to worry about writting "//foo" vs. "/baz/foo" because one has better
performance than the other.  The ideal that we're all looking for is that
the compiler should worry about these kinds of things where-ever possible.
Right now I can take at least 50% of the stylesheets out there where people
are complaining about performance, and rewrite them to be much, much
faster.  In the end, the compiler should do the rewriting.

-scott




                                                                                       
                            
                    jjborie@tekor                                                      
                            
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                    06/18/2001           Subject:     Re: Xalan's stree & dtm          
                            
                    11:51 AM                                                           
                            
                                                                                       
                            
                                                                                       
                            





Morten sometime i'm afraid with what you say, I'm very concerned with the
problem of performance. And i'm wasting of lot of time with the performance
problem...

:-(

>These are unknown waters for me, so please be patient with me....
>Can you give me a few examples of such optimisations? I know that in
>theory there should be room for many shortcuts, as XSLT is not a
>programming language (nomatter what people say). The author of a
stylesheet
>should not have to be concerned with performance or even with the way in
>which the stylesheet is processed. XSL describes the "what" and not the
>"how", and all optimisation is left up to us...