[jira] [Updated] (FLEX-33890) Style engine : style matching allocates a lot of memory even if everything is in cache

["Benoit Wiart (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLEX-33890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benoit Wiart updated FLEX-33890:
--------------------------------

    Attachment: gettypehierarchy-example-1.png

On the screenshots "de fermeture" should be translated to "closure" for those of you who don't have the chance to speak French.

the green dot highlight the unneeded allocations 

> Style engine : style matching allocates a lot of memory even if everything is in cache
> --------------------------------------------------------------------------------------
>
>                 Key: FLEX-33890
>                 URL: https://issues.apache.org/jira/browse/FLEX-33890
>             Project: Apache Flex
>          Issue Type: Improvement
>          Components: Mobile: Performance, Performance: Framework, Styles
>    Affects Versions: Apache Flex 4.11.0
>         Environment: mobile desktop
>            Reporter: Benoit Wiart
>              Labels: memory, performance
>         Attachments: gettypehierarchy-example-1.png
>
>
> StyleProtoChain#getTypeHierarchy is called often and is responsible for a lot of unneeded memory allocations even if the type hierarchy is cached.
> This patch has 2 parts :
> - (1) : exception handling reworking in order to avoid the closure/activation creation by the try/catch
> - (2) : replace the use of a flash proxy with a custom class : It seems that the proxy was only used as an array.



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