[exprla-devel] Re: [XPL] Re: This is about compiled XSLT which allows STREAMING XSLT

[reid_spencer <ras...@re...>]

--- In xpl-dev@y..., "Kurt Cagle" <cagle@o...> wrote:
Richard,

I just spent three days closeted with Simon St. Laurent, who wrote the
article, and while I agree with him in part, I would also keep in 
mind that
he represents just one side of this issue.

I think it should be pointed out that James Clark's processor is a
conceptual test bed, not a highly optimized performance engine, and 
this is
a point that he himself readily acknowledges (which is why I'm a 
little
surprised that IBM points out that people working with XSLT should 
use it).

I would second the point about compiled XSLT, however. XSLT involves 
a two
step process -- interpreting an XSLT document into a formal tokenized
structure, and then running the data through the tokenized 
structure.  Not
surprisingly, if you have to parse this information everytime, you get
exceedingly inefficient systems. However, you're seeing the rise of 
XSLT
cached compilers that can optimize this process considerably. I 
suspect that
over time this will be the preferred way of working with such 
structures.

I don't honestly believe that starting over at this stage is a viable
option. We are too far down the road now, and there are too many 
billions
already invested to make any changes to these standards possible. I 
do agree
with Simon with regard to the issue of SOAP and XML-RPC, and I have 
made me
feelings known about that in the VBXML board -- we are utilizing the 
HTTP
protocol incorrectly, placing too many demands upon it to efficiently 
handle
the use of the network as a common interchange medium for messagess. 
It also
gives me more than a little pause about both security concerns and
architecure.

More later.

-- Kurt
----- Original Message -----
From: "Richard Hein" <935551@i...>
To: <xpl@e...>
Sent: Friday, June 23, 2000 12:47 PM
Subject: [XPL] Re: This is about compiled XSLT which allows STREAMING 
XSLT


> Just thought I would rewrite the subject line, to catch your
> attention.  IIRC, Kurt mentioned something about streaming XSLT
> transformations a while back ... I have to look for the message.
> Unfortunetly, there is not much more info. about it.  The translets,
> are MUCH faster than James Clark's processor.
>
> Richard A. Hein
>
>
> --- In xpl@e..., "Richard Anthony Hein" <935551@i...> wrote:
> > Everyone,
> >
> > www.xml.com has an articles about some things we need to be
> informed about,
> > including the foundational infrastructure of the 'net and how XML
> makes too
> > much of a demand on the current infrastructure, and one
> about "translets"
> > and an XSLT virtual machine!  Very important to XPL I think!
> >
> > Richard A. Hein
>
>
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