[prev in list] [next in list] [prev in thread] [next in thread] 

List:       xerces-c-dev
Subject:    RE: DOM to LocalFileFormatTarget slow?
From:       Gareth Reakes <gareth () decisionsoft ! com>
Date:       2002-10-28 9:41:30
[Download RAW message or body]

Hi,
	if either of you have a patch then include it in the bug report. 
Im sure someone will commit it for you.

Gareth


On Mon, 28 Oct 2002 james.bulman@bt.com wrote:

> Hi Zeid,
> 
> I have experience exactly the same problem you have, and I ended up
> implementing the same workaround. This problem is being tracked as
> http://nagoya.apache.org/bugzilla/show_bug.cgi?id=13447, but there hasn't
> been any activity on it yet (as far as I can tell).
> 
> Thanks,
> 
> Jim
> 
> -----Original Message-----
> From: Zeid Derhally [mailto:derhally@metrowerks.com] 
> Sent: 25 October 2002 17:22
> To: xerces-c-dev
> Subject: DOM to LocalFileFormatTarget slow?
> 
> 
> I'm working with a 2 meg XML file and it seems writing out the DOMTree
> back to another file is slow.  Xerces' XercesDOMParser reads in the XML
> file in .32 seconds, but writing out the generated DOM tree back to disk
> takes around 3 minutes.  Looking at the LocalFileFormatTarget and the
> way the method writeChars() is called it seems inefficient for large XML
> files since it writes really small buffers, raning from from 5
> characters to whatever, to disk at a time.
> 
> I tried writing the tree to memory using MemBufFormatTarget and then
> writing the buffer back to disk, and that about .230 of a second.
> 
> I've browsed the source and I did not see any buffering mechanism, or an
> option to have that, when going directly from the DOM tree to disk.
> 
> Am I correct in my findings or did I overlook something?
> 
> Thanks,
> 
> Zeid
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: xerces-c-dev-unsubscribe@xml.apache.org
> For additional commands, e-mail: xerces-c-dev-help@xml.apache.org
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: xerces-c-dev-unsubscribe@xml.apache.org
> For additional commands, e-mail: xerces-c-dev-help@xml.apache.org
> 
> 

-- 
Gareth Reakes, Head of Product Development  
DecisionSoft Ltd.            http://www.decisionsoft.com
Office: +44 (0) 1865 203192



---------------------------------------------------------------------
To unsubscribe, e-mail: xerces-c-dev-unsubscribe@xml.apache.org
For additional commands, e-mail: xerces-c-dev-help@xml.apache.org

[prev in list] [next in list] [prev in thread] [next in thread]