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From Jeffry Houser <jef...@dot-com-it.com>
Subject Re: Flex performance
Date Wed, 04 Jan 2012 22:37:55 GMT

  Has open Laszlo stayed up to date?  I hadn't heard of it in many years.

  I--personally--would  rather see efforts put towards optimizing 
existing Flex Components or the component framework; not on creating a 
3rd component framework within Flex.

On 1/4/2012 5:10 PM, Raju Bitter wrote:
> It would make sense to build a light-weight component set for Flex,
> which could be used for rendering Flex apps in HTML5 later on. The
> approach could be based on the UI/component implementation OpenLaszlo
> has (which provides cross-compilation features for ActionScript and
> JavaScript, check this demo):
> http://vimeo.com/32853986
> HTML5 version http://www.openlaszlo.org/lps_demos/demos/lzpix/app.lzx?lzr=dhtml
> SWF version http://www.openlaszlo.org/lps_demos/demos/lzpix/app.lzx?lzr=swf10
> 2012/1/4 Fr├ęderic Cox<frederic@exuvis.com>:
>> 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
>> skin)
>> 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
>>> vi.vace.me
>>> Twitter: @arthurlockman
>>> a.rthr.me
>>> 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
>>>> you.
>>>> 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

Jeffry Houser
Technical Entrepreneur
UI Flex Components: Tested! Supported! Ready!
Part of the DotComIt Brain Trust

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