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https://issues.apache.org/jira/browse/XERCESJ-212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Elliotte Rusty Harold resolved XERCESJ-212.
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Resolution: Won't Do
Likely out of date. Profiling will start from a blank slate if at all.
> Xerces2 performance difference with DOM compared to Xerces1????
> ---------------------------------------------------------------
>
> Key: XERCESJ-212
> URL: https://issues.apache.org/jira/browse/XERCESJ-212
> Project: Xerces2-J
> Issue Type: Bug
> Components: DOM (Level 3 Core)
> Affects Versions: 2.0.0
> Environment: Operating System: Windows NT/2K
> Platform: PC
> Reporter: Anne Meade
> Attachments: ASF.LICENSE.NOT.GRANTED--JAXP.zip
>
>
> Hi,
> I am writing a technical note evaluating the performance of different parsing
> implementations. These included Xerces1.4.4 and Xerces2.0.0. However I found
> Xerces2 performance decreases when using the DOM specification. I based my
> results on one level deep XML files. This data was read into a string buffer
> and subsequently parsed. Each file (there were 12 of varying size) was parsed
> 100 times and averages were obtained from these results. The heap size of the
> machine was set at 256MB. The results when using SAX show negligible
> performance differences between Xerces1 and Xerces1. Have you any idea why I
> may be getting a 20% performance difference when using DOM? What perhaps am I
> doing wrong? Should Xerces2 perform worse that Xerces1 when parsing DOM?
> Thanking you in advance,
> Anne Meade
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