Re: [xsl] How do i optimize my stylesheet for speed?

Subject: Re: [xsl] How do i optimize my stylesheet for speed?
From: Leonid Pesenson <lpesenson@xxxxxxxxx>
Date: Fri, 15 Jun 2001 11:59:50 -0700 (PDT)
With respect to the plug for DGXT and XSLJIT, how do they compare in performance to Saxon and
Xalan? I also use XPath to query XML documents and the only framework that has allowed me to do
this easily is the one that comes with Xalan, is something like that available in DGXT? 
--- Eugene Kuznetsov <eugene@xxxxxxxxxxxxx> wrote:
> > CPU ultarsparc 248MHz, 384MB RAM, with 128MB of heap size it is taking 
> > about 10 min for a 5MB input file.  However on a 4CPU (400MHz) box it 
> > is just taking a megre 42 sec.  What can i do to make it faster on the 
> > slow machine?
> Well, multiple CPU's are probably not the reason, if the machines are 
> not loaded otherwise. (I am assuming you are talking about running one
> transform at a time, not multiple sessions concurrently). It is likely 
> there is some other difference, may be your compiler, java vm (if 
> you're using java), OS, etc. Which XSLT engine are you using? 
> In my book, of course, both 10 minutes and 42 seconds are quite 
> unacceptable, and you shouldn't have to spend time trying to optimize
> it by hand. That's what optimizing compilers are for. 
> <plug>If you'd like it to run much better than either 10 minutes or
> 42 seconds, check out DataPower's XML acceleration solutions, from
> DGXT (an optimized interpreter) to XSLJIT (a JIT compiler for XSLT)
> to the XA35 (a network device for XML & XSLT acceleration). 
> Our goal is to remove any worries about XML scalability -- you 
> worry about the app, we worry about the speed.
> </plug>
> \\ Eugene Kuznetsov
> \\ eugene@xxxxxxxxxxxxx
> \\ DataPower Technology, Inc.
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