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https://issues.apache.org/jira/browse/XERCESC-1735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Boris Kolpackov updated XERCESC-1735:
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    Attachment: fast-append.patch

> Fast append optimization for the DOM parser
> -------------------------------------------
>
>                 Key: XERCESC-1735
>                 URL: https://issues.apache.org/jira/browse/XERCESC-1735
>             Project: Xerces-C++
>          Issue Type: Improvement
>          Components: DOM
>    Affects Versions: 2.7.0
>         Environment: any
>            Reporter: Boris Kolpackov
>         Attachments: fast-append.patch
>
>
> The attached patch adds the appendChildFast function to the DOMParentNode 
> internal interface which skips a number of actions and checks compared to the 
> vanilla appendChild function that are unnecessary in the controlled 
> environment of building a new DOM document. The patch also changes 
> AbstractDOMParser to call appendChildFast instead of appendChild.
> This change results in 25-30% parsing speed improvement depending on the 
> workload used.

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