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https://issues.apache.org/jira/browse/FLEX-33829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13798549#comment-13798549
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Justin Mclean commented on FLEX-33829:
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I can see how this improves performance at creation time but is it just
postponing works that needs to be done later? (not 100% btw)
> Improve ArrayList performance
> -----------------------------
>
> Key: FLEX-33829
> URL: https://issues.apache.org/jira/browse/FLEX-33829
> Project: Apache Flex
> Issue Type: Improvement
> Components: Collections
> Affects Versions: Apache Flex 4.10.0
> Environment: Macos, Mobile (Air)
> Reporter: Benoit Wiart
> Labels: performance
> Attachments: 0001-ArrayList-creation-optimization.patch, flex.png
>
>
> Arraylist creation is a performance pb when deserializing amf response.
> On mobile the uid creation in the constructor is the bottleneck source
> With this patch the uid is lazily created in the getter
> Profiling was done with Adobe Scout
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