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From Davanum Srinivas <d...@yahoo.com>
Subject Re: new xsltc.jar
Date Fri, 22 Feb 2002 12:47:51 GMT
Torsten,

We cannot use xsltc in C2 as-is because of a bug in their JAXP support:
http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6312

Thanks,
dims

--- Torsten Curdt <tcurdt@dff.st> wrote:
> On Thu, 21 Feb 2002, Jacek R. Ambroziak wrote:
> 
> > The performance bug seems to be fixed now.
> > As I expected several other benchmarks benefit
> > from the fix as well  (decoy, patterns).
> >
> > The new magic numbers on my machine are
> >
> > XSLTC    1192
> > XT            471
> > Saxon       298
> > XalanJ      197
> >
> > The infamous 'dbonerow' test doesn't need rewriting
> > into "match/if"  anymore and 10 iterations take about 1 second
> > (900 MHz, J2SDK1.4) instead of 130 seconds as before.
> >
> > That's not the end of the story 'cause I see bunches
> > of opportunities for further improvements.
> >
> > That translets are about 20 times faster now
> > on 'dbonerow' than XT/Saxon/XalanJ is no big surprise:
> > since FORTRAN times compiled code ran faster than interpreted.
> > When eg. Saxon works on 'dbonerow'
> > the only bytecodes that are actually executed are the bytecodes
> > Mike Kay put into saxon.jar.  In the case of XSLTC
> > some bytecodes come from prepackaged libraries,
> > but (hopefully)  most of the "action" is handled by
> > bytecodes 'freshly' generated ('personalized'/specialized)
> > for the stylesheet at hand.
> >
> > The new 'xsltc.jar' is available from me.
> 
> wow!! ...instead of talking about number - why not try it out.
> What needs to be changed to use it with cocoon - that's the only
> question I see right now :)
> --
> Torsten
> 
> 
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=====
Davanum Srinivas - http://jguru.com/dims/

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