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https://issues.apache.org/jira/browse/WICKET-6960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17501463#comment-17501463
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ASF GitHub Bot commented on WICKET-6960:
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theigl opened a new pull request #501:
URL: https://github.com/apache/wicket/pull/501
This PR includes some micro optimizations for `ComponentInfo`:
- Pre-size `StringBuilders` when encoding and decoding component paths
- Return empty component path without further allocations
Pre-sizing the `StringBuilder` is about 10% faster if the path is longer
than 16 characters.
https://issues.apache.org/jira/browse/WICKET-6960
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> Reduce allocations when encoding ComponentInfo
> ----------------------------------------------
>
> Key: WICKET-6960
> URL: https://issues.apache.org/jira/browse/WICKET-6960
> Project: Wicket
> Issue Type: Improvement
> Components: wicket-core
> Affects Versions: 9.8.0
> Reporter: Thomas Heigl
> Assignee: Thomas Heigl
> Priority: Minor
> Attachments: image-2022-03-04-18-54-47-423.png
>
>
> Our profiler shows a significant amount of allocations coming from
> {{ComponentInfo.encodeComponentPath}}:
> !image-2022-03-04-18-54-47-423.png!
> We know the exact length of the strings we are encoding and decoding, so
> pre-sizing the {{StringBuilder}} should be an easy improvement.
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