Parellels desktop CPU assignment

Discussion in 'Windows, Linux & Others on the Mac' started by Willyee3, Jun 27, 2011.

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  1. Willyee3, Jun 27, 2011

    Willyee3 macrumors member

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    #1
    I was wondering if I should assign all my cores to parallels.. and would there be a downside in doing so...thanx!

    ps i dont run much on my windows anyways. so i dont think it would slow down my computer too much if i assigned them all... i just want windows to work fast when i am on it.
     
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  2. alust2013, Jun 27, 2011

    alust2013 macrumors 601

    alust2013

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    #2
    Assigning all is a bad idea, regardless of what you're doing. You still have to have enough resources to run OS X as well. There's also no need for a bunch of cores for simple stuff.
     
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  3. Willyee3, Jun 27, 2011

    Willyee3 thread starter macrumors member

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    #3
    if i assign them all, windows and osx would be sharing cpu power as opposed to me just giving all the power to windows right? sorry noob question i know.
     
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  4. simsaladimbamba, Jun 27, 2011

    simsaladimbamba Guest

    simsaladimbamba

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    #4
    If your Mac has four processor cores and can support four threads (one per core) (only an example) and you assign all four cores to Parallels, then Mac OS X will be slower, as it has to "fight" for CPU time. But if you even it out (two cores for Parallels) then Mac OS X will be working quite good, as will Windows. I have a dual core Mac (with one thread per core) and I assigned one processor (one core) to my Windows VM in VMWare Fusion and Windows works quite okay. And Mac OS X does too.
     
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