Xalan/Xerces vs. libxslt/libxml

[Christian Parpart]

Hi all,

while looking for a library for UNIX wich can be as fast as Microsoft's MSXML.
Unfortunately (or fortunately) I found one. But it isn't Xalan with the power 
of Xerces. We're using XML for some very complex/huge pages. Xerces needs 
really 29 seconds for compiling out grammar.xml. libxslt need _only_ nearly 6 
seconds. So, it's as fast as M$XML. Great!

But, why is Xalan soooo sloooow?!? Can anybody tell me why?

Many thanks,
Christian Parpart.
http://www.surakware.net