Ridiculous performance after alt-tab?

Discussion in 'MacBook Pro' started by yalag, Aug 29, 2012.

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  1. yalag, Aug 29, 2012

    yalag macrumors 65816

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    #1
    I just bought the retina macbook pro with 16gb ram. I thought this machine will have decent performance but I can't even alt-tab from a game (starcraft 2). Whenever I do, the computer gets so slow I can barely type. Every action is delayed by 1-2 seconds.

    What's wrong with the macbook or OSX? When you alt-tab it should suspend the application. Even windows 95 does that!!
     
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  2. simsaladimbamba, Aug 29, 2012

    simsaladimbamba Guest

    simsaladimbamba

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    #2
    Do you by any chance mean COMMAND + TABULATOR instead of Alt/OPTION + TABULATOR?
    And where does Windows 95 suspend an application when not being active?
     
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  3. yalag, Aug 29, 2012

    yalag thread starter macrumors 65816

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    #3
    Yes I mean command + tab
     
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  4. iaymnu, Aug 30, 2012

    iaymnu macrumors 6502

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    #4
    I have no problem with that. I do it all the time with Diablo3. Runs normally and no slowing at all. Which OsX are you using.
     
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  5. yalag, Aug 30, 2012

    yalag thread starter macrumors 65816

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    #5
    Maybe d3 is different from sc? Do you also have sc?

    Others who play sc can share their experience?
     
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  6. Vctr, Aug 30, 2012

    Vctr macrumors regular

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    #6
    I play SC2 and I have no issues Command + Tabbing out. Are you sure you're running on discrete graphics?

    Also be sure to uncheck the option "Reduce Mouse Lag" ... I've found that this really screws with the performance.
     
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  7. yalag, Aug 30, 2012

    yalag thread starter macrumors 65816

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    #7
    How do I make sure I am running on discrete graphics?
     
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  8. simsaladimbamba, Aug 30, 2012

    simsaladimbamba Guest

    simsaladimbamba

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    #8
    Have you tried gfxCardStatus?
     
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  9. AZREOSpecialist, Aug 30, 2012

    AZREOSpecialist macrumors 68000

    AZREOSpecialist

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    #9
    Installing GFXCardStatus will cause more problems than it will solve. This does not sound like a GPU issue, it sounds like something else is going on.
     
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  10. yalag, Aug 30, 2012

    yalag thread starter macrumors 65816

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    #10
    wait what resolution are you guys running the game at? I'm running it at max resolution and then command tabbing.

    I also have a few findings.

    1) Everything becomes non-retina after I command tab. For example the text becomes blur etc.

    2) If I use full screen windowed mode, command tab will not slow down the computer! But it will continue to blur...
     
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  11. iaymnu, Sep 1, 2012

    iaymnu macrumors 6502

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    #11
    I run maxed res. I never had problem 1. But I get like a checkered plaid screen mumbo jumbo when I first boot up a game from cold start. I'm guessing it's a glitch (hoping!!)
     
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