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From Fr├ęderic Cox <frede...@exuvis.com>
Subject Re: Flex performance
Date Wed, 04 Jan 2012 21:56:06 GMT
And it's not only on mobile, on desktop (mostly Mac's) this is a problem
also. I'm talking about big enterprise applications and websites here
(like a CMS with graphical skin applied, nothing really in standard Flex

On 04/01/12 22:49, "Arthur Lockman" <arthurlockman@ajobi.net> wrote:

>+1 on this. Performance definitely needs to be addressed on Flex. I've
>noticed that on newer devices, it works fine. But on the slightly older
>ones, performance is a huge issue. Hopefully we can get in there and
>clean it up so it performs better.
>Arthur Lockman | Senior Developer @ Vivace
>Twitter: @arthurlockman
>On Wednesday, January 4, 2012 at 4:28 PM, Fr├ęderic Cox wrote:
>> I've worked on Flex applications for the past 4-5 years and see a lot
>>of developers picking it up since it is easy to create rich
>>applications. However performance is often an issue.
>> I mostly see it when using a lot of styles (or one large CSS file) and
>>skinned components (It is even worse with Flex 4 then it was with Flex
>>3). When a Flex application gets really large the UI is blocked because
>>there is too much actionscript code needed to get things running. (with
>>this I mean the processing time is acceptable but UI is blocked so the
>>perception is that things are slow)
>> Therefore I'd like to vote on improving the performance of the Flex
>>framework where possible so new and existing applications can benefit.
>>Flex 4 with spark is great but comes with some performance drawbacks, I
>>hope we can improve on this significantly.
>> I'm speaking on behalf of the experience and perception in the company
>>I work for, I'm curious to see if this is also a problem for the rest of
>> I'm not the expert here but I'd like to get involved and learn so I can
>>eventually help to fix issues but I believe UIComponent had some
>>overhead and this together with the StyleManager can cause performance
>>drawbacks in large applications

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