reducing imac UI lag

Discussion in 'iMac' started by roninpawnee, Jul 3, 2015.

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  1. roninpawnee, Jul 3, 2015

    roninpawnee macrumors newbie

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    Jun 9, 2015
    #1
    hello,

    i just got my retina iMac with the M290X and a 4 GHz processor. I use it just for coding and scientific computation at work.

    In my two days of using it, I noticed that during half my sessions, there is incredible UI lag. For example, I dread switching to another app by swiping with 4 fingers on the trackpad because it'll take a good second and switch suddenly without any animation. Mission control etc have the same problem.

    The other half of my sessions seem much better and any lag doesn't get in the way of work.

    Does anyone know what makes the difference? Is there something i can do to stop this awful UI lag?
     
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  2. yjchua95, Jul 4, 2015

    yjchua95 macrumors 604

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    #2
    Use OS X El Capitan. That'll solve all your lag problems.
     
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  3. Hastings101, Jul 4, 2015

    Hastings101 macrumors 68020

    Hastings101

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    #3
    Yea, El Capitan is pretty much the only answer. It is truly a night and day difference. Find a beta release, wait for Public Beta, or wait for official release. Yosemite is a disgusting mess graphics-wise, and to blame for your problems.
     
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  4. MartinAppleGuy, Jul 4, 2015

    MartinAppleGuy macrumors 68020

    MartinAppleGuy

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    #4
    El Cap will fix all UI lag, and it's a few upgrade in the fall :)
     
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  5. Liffey, Jul 5, 2015

    Liffey macrumors regular

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    #5
    I can't wait for El Capitan and an iMac refresh this fall. My 09 iMac is seriously struggling. :(
     
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  6. baopdoge, Jul 5, 2015

    baopdoge macrumors newbie

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    #6
    it is only two channel or just get a copy of the Remaster for $10 and call it a day.[​IMG]
     
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  7. aliensporebomb, Jul 6, 2015

    aliensporebomb macrumors 68000

    aliensporebomb

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    #7
    So the question is: is it a ram issue or an OS graphics/driver issue?
     
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  8. dagamer34, Jul 6, 2015

    dagamer34 macrumors 65816

    dagamer34

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    #8
    The latter.
     
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  9. aliensporebomb, Jul 7, 2015

    aliensporebomb macrumors 68000

    aliensporebomb

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    #9
    Is this only affecting the Retina 5k iMacs/Macbooks or all Macs to some extent with large-ish pixel densities?
     
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  10. dyn, Jul 11, 2015

    dyn macrumors 68030

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    #10
    It depends on what you are doing with the machine but it seems that the machines with a retina display suffer the most.
     
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9 July 3, 2015