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CPU Different loads on different cores

Discussion in 'Tech Support' started by wolfticket, 4 Feb 2015.

  1. wolfticket

    wolfticket Downwind from the bloodhounds

    19 Apr 2008
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    Normally when I'm running encoding tasks on Handbrake it will use all 4 cores of my CPU at 100%, which is fast but obviously renders the computer somewhat unusable.

    With this in mind I've been messing with processor affinities in task manager and set handbrake only use 2 cores.

    All seems fine and dandy. 2 cores are at 100% usage, leaving the other 2 for everything else. However, I'm wondering whether this has any negative consequences? Is it safe or healthy for the CPU?

    Thinking of maybe even switching Handbrake to use 3 of the 4 available cores, but then there are only 2 physical cores, so I'm not sure the consequences of that.
  2. TeenGeek

    TeenGeek Worst touch typing ever.

    11 Feb 2011
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    I don't think it's a bad thing. I've never heard anything about running different cores at different loads being a bad thing. I mean, the whole point of the CPU is that it can multitask, and I don't think that the difference in load matters. I have a 3770k in my desktop, and it's cores run at different speeds all the time. Especially when I play older games, where they could only use one or two cores. (I've also been known to run Prime95 on three of four cores to heat my room during winter while surfing the web...) and I haven't had any issues with my PC over the three years or so that I've had it. As far as logical and physical cores go, I would assume that the situation is the same, but I can't say for sure.

    Also, the main issue that processors have is the heat output that they create. If they get too hot, they lose some lifespan. Besides, they actual cores on the die really only have the cache in common. As long as the CPU isn't overheating, I would say that you are fine. I would think that you would be in better shape running two or three cores instead of four, just based on the lower heat output that you would be experiencing.

    Kevin K
  3. Deders

    Deders Well-Known Member

    14 Nov 2010
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    Yeah you shouldn't have any issues with running either 2 or 3 cores. Or 1 for that matter.
  4. Corky42

    Corky42 Where's walle?

    30 Oct 2012
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    Just throwing this out there, but have you tried just lowering handbrakes priority.
  5. JamesRC

    JamesRC Member

    5 Oct 2012
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    Agreed, should run fine - many programs don't equalize loads, the CPU is designed to handle it.
  6. Qazax

    Qazax Fap fap fap

    20 Aug 2012
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    Running three threads will not be a problem, and windows should stay completely responsive with your CPU.

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