I found Xerces2 to generally be a lot faster for most small documents (say <1KB), while the original Xerces was a little faster on larger documents. If you're using DOM rather than SAX and you're working with small documents make sure you turn off deferred node expansion, though - this feature is on by default and really hurts performance for small documents.
- Dennis
Anderson, John wrote:
Anecdotal only.
We switched to Xerces2 because we needed the extra functionality of grammar loading independent of the document (used to interfere with the document stream but that was way too ugly).
The loading performance of large DTDs is substantially slower and uses a heap more memory, to the extent that if we don't manually set the memory of our JVM at start up it will crash.
The second version of Xerces2 was a bit better.
John
-----Original Message----- From: Rob Outar [ mailto:[EMAIL PROTECTED] Sent: 22 May 2002 14:07 To: [EMAIL PROTECTED] Subject: Performance Study
Hello,
We are currently using Xerces 1.4.3, we are considering upgrading to Xerces
2, but from what I have read Xerces 2 is more stable, but there is a
performance hit? Has anyone done a performance study comparing the two
parsers? or just a general performance study would be helpful as well.
Let me know.
Thanks,
Rob
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