+1

arkin

Rajiv Mordani wrote:
> 
> I have started looking at 1 and 2. One of the proposals that I had was to
> create a whiteboard (won't be part of the std build for xerces so not to
> worry) under xerces-j and make the crimson DOM implementation work with
> xerces and see the outcome. Can we have a round of +1s for that.  This
> would also integrate the ElementFactory that someone had asked for earlier
> on the mailing list..
> 
> - Rajiv
> 
> --
> :wq
> 
> On Fri, 31 Mar 2000, Mike Pogue wrote:
> 
> > Thanks to the folks from Sun for all their hard work in making this
> > happen! Now we have some work to do!   :-)
> >
> > The xml-contrib area is designed so that people can look at the code,
> > try it out, etc.  The license issues have all been worked out, and the
> > code is now under the Apache 1.1 license, so feel free to look at it,
> > play with it, figure it out, etc.
> >
> > I have a couple of major suggestions (I'm sure that other people have
> > more):
> >
> > 1) It has been reported that the Crimson code is 50% faster than
> > Xerces-J when running on a Sparc Ultra-5, however Xerces-J is 40% faster
> > than Crimson on a Windows NT machine. It's not obvious to me why this
> > would be true!  We need to figure out WHY, so we can create a single
> > code base that is fast on BOTH.
> >
> > 2) Crimson has a DOM implementation that is particularly interesting.
> > It has been reported that it "scales better" as the size of an XML
> > document goes up, but that is not my experience (but, I've been looking
> > only at Windows NT, so this could again be a Sparc/Windows difference).
> > This could be due to differences in memory consumption, or something
> > else altogether.  We should be able to figure out what's going on here,
> > and get the best of both worlds.  Because the Xerces DOM is pluggable,
> > we might need to end up with two DOM's that are optimized for two
> > different things:  a) the current deferred DOM is optimized for
> > performance, but maybe not for memory consumption, and b) perhaps the
> > Crimson DOM is optimized for memory consumption.
> >
> > 3) Now that we can see the XHTML code, we should be able to compare
> > Assaf's HTML parser code, and the new Crimson code, so we can end up
> > with the best of both.  We routinely get requests for HTML parsing, and
> > this is a pretty self-contained area, so it's a great opportunity to
> > jump in and contribute!
> >
> > All of these things are high on my list -- does anybody want to take a
> > crack at them? This is a great opportunity for some new people to jump
> > in, and check out all the code...
> >
> > Mike
> >
> > P.S.  Traffic is now moving to the xerces-j list...please adjust your
> > mailing list subscriptions accordingly!
> >
> > Rajiv Mordani wrote:
> > >
> > > Announicing the release of the code for Crimson XML Parsing Core Library..
> > > This code is based on Sun's Java Project X and is available via the cvs
> > > module xml-contrib/crimson for people to look at... Please read the README
> > > for directions on how to build the source. The list of features to be
> > > included into xerces is yet to be decided.
> > >
> > > - Rajiv
> > >
> > > --
> > > :wq
> >
> > ---------------------------------------------------------------------
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> >

-- 
----------------------------------------------------------------------
Assaf Arkin                                           www.exoffice.com
CTO, Exoffice Technologies, Inc.                        www.exolab.org


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