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https://issues.apache.org/jira/browse/LANG-935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14361625#comment-14361625
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Fabian Lange commented on LANG-935:
-----------------------------------
The Change improves performance across the board, but especially deals with
garbage reduction.
Unfortunately, there is no reliable tooling support to do the cross jvm version
benchmarks.
Let me see what I can do in that regard.
> Possible performance improvement on string escape functions
> -----------------------------------------------------------
>
> Key: LANG-935
> URL: https://issues.apache.org/jira/browse/LANG-935
> Project: Commons Lang
> Issue Type: Improvement
> Components: lang.text.translate.*
> Affects Versions: 3.1
> Reporter: Peter Wall
> Priority: Minor
> Labels: performance
> Fix For: Patch Needed
>
> Attachments: tempproject1.zip
>
>
> The escape functions for HTML etc. use the same code and the same
> initialisation tables for the escape and unescape functions, and while this
> is an elegant approach it leads to a number of deficiencies:
> 1. The code is very much less efficient than it could be
> 2. A new output string is created even when no conversion is required
> 3. No mapping is provided for characters that do not have a specific
> representation (for example HTML 0x101 should become ā )
> The proposal is to use a new mapping technique to address these issues
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