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From "Maurice Amsellem (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLEX-33865) ConstraintLayout / LayoutElementHelper are memory inefficient (and slow)
Date Mon, 04 Nov 2013 09:49:17 GMT

    [ https://issues.apache.org/jira/browse/FLEX-33865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13812715#comment-13812715
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Maurice Amsellem commented on FLEX-33865:
-----------------------------------------

Benoit,  
See the simple application that Justin wrote, and the figures that he provided.
It helped conclude the validation in minutes and it really wasn't difficult to provide.
For the next patch(es) you will submit, this is the kind of things that will be required.


> ConstraintLayout / LayoutElementHelper are memory inefficient (and slow)
> ------------------------------------------------------------------------
>
>                 Key: FLEX-33865
>                 URL: https://issues.apache.org/jira/browse/FLEX-33865
>             Project: Apache Flex
>          Issue Type: Improvement
>          Components: Mobile: Performance, Spark: Layout
>    Affects Versions: Apache Flex 4.11.0
>         Environment: mobile desktop
>            Reporter: Benoit Wiart
>            Assignee: Maurice Amsellem
>              Labels: mobile, performance
>             Fix For: Apache Flex 4.12.0
>
>         Attachments: 0001-ConstraintLayout-optimizationsV2.patch, desktopafter.png, desktopbefore.png,
layout-1-desktop-memory.png, layout-2-desktop-memory.png, layout-3-mobile-memory.png, layout_performance.patch
>
>
> ConstraintLayout / LayoutElementHelper are doing too many memory allocation.
> it's really bad on mobile
> the attached screenshots were taken on desktop



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