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    Default 3.2.1 about twice slower than 2.3.0 ?

    3.2.1 about twice slower than 2.3.0 ?


    Hello everybody,

    I've recently upgraded an ext2 app to ext3 and well, it felt the app went, mmm slower.

    So I did a quick profiling in firebug and to my surprised, it looked like the numbers had roughly doubled, kinda everywhere in the framework. I was a bit confused, and today I did the same exercise with some ext examples.

    It's surely nothing scientific, but am I wrong or the performence of the framework had drasticly decreased ?

    feed-viewer
    3.2.1: 652.17ms, 10853 calls
    2.3.0: 246.58ms, 6233 calls

    layout-browser
    3.2.1: 778.54ms, 31136 calls
    2.3.0: 440.94ms, 16775 calls
    (absolute,accordion,anchor,border)
    3.2.1: 1361.38ms, 49745 calls
    2.3.0: 822.34ms, 27534 calls

    desktop
    3.2.1: 1913.05ms, 56388 calls
    2.3.0: 1053.35ms, 26945 calls

    window-layout
    3.2.1: 497.99, 15878 calls
    2.3.0: 364.27, 10701 calls

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    Unfortunately, the changes to the layout system sometimes made Ext applications a lot slower.

    Performance is a big concern for the developers and there have already been several changes since Ext 3.0.0 to speed things up.

    For Ext 4 a complete overhaul of the layout system is planned to again make it as fast or faster than Ext 2.

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    +1 to this - we are stuck with v2.3 and cannot upgrade until the performance is at least on par with what our user's currently get.

    I thought v3.1.1 was supposed to address the performance issues? And all the work done by @Meroy?

    Some more numbers:
    portal demo
    3.2.1: 302.521, 13687 calls
    2.3.0: 218.939, 7783 calls

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    does v2.3 contains bugs that where fixed in v3.x ?
    in other words, when a major version stops to be supported ?

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