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From "Benoit Wiart (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLEX-33890) Style engine : style matching allocates a lot of memory even if everything is in cache
Date Mon, 11 Nov 2013 11:39:22 GMT

    [ https://issues.apache.org/jira/browse/FLEX-33890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13818884#comment-13818884
] 

Benoit Wiart commented on FLEX-33890:
-------------------------------------

I've only selected examples where the type were already in the cache.

> 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, gettypehierarchy-example-2.png,
gettypehierarchy-example-3.png, gettypehierarchy-example-4.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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