[jira] [Assigned] (PIVOT-860) CPU Usage at 100% when displaying an Expander

["Roger Whitcomb (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIVOT-860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Roger Whitcomb reassigned PIVOT-860:
------------------------------------

    Assignee: Roger Whitcomb  (was: Sandro Martini)
    
> CPU Usage at 100% when displaying an Expander
> ---------------------------------------------
>
>                 Key: PIVOT-860
>                 URL: https://issues.apache.org/jira/browse/PIVOT-860
>             Project: Pivot
>          Issue Type: Bug
>    Affects Versions: 2.0.2
>         Environment: Windows XP, reproduced on Java 6 (various versions) and Java 7
>            Reporter: Guillaume Deshors
>            Assignee: Roger Whitcomb
>              Labels: performance
>             Fix For: 2.0.3
>
>         Attachments: pivot_kitchensink_expanders_profile_test_0.png, pivot_kitchensink_expanders_profile_test_1.png, pivot_kitchensink_expanders_profile_test_2.png
>
>
> When displaying an Expander component, the CPU usage immediately goes up and stays at 100% as long as the component is displayed (even if the window is background, reduced or whatever).
> To be precise, I really had 50% because I have a dual core : one of the core was 100%.
> Reproduced on 3 different computers, all Windows XP, with Java 6 and 7.
> Reproduced in applet and in standalone application shape.
> Steps to reproduce : 
> 1/ go to http://pivot.apache.org/tutorials/sample-application.html
>  -> CPU is normal, say 5%
> 2/ click on "navigation" to see the expander
>  -> CPU is at 100%, at least one of the cores.
> Alternative : just go to http://pivot.apache.org/tutorials/expanders.html and expect the same.

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