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Thread: Spiking CPU

  1. #1
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    Spiking CPU

    Hi,
    For the last week or so LR has been quite sluggish for me.For example, when I am in developer, and choose crop, I get the beachball for a second or two, then when I try to grab the handle to change the crop, I have to wait another 2 or 3 second for it to become active, so I can move it.
    Looking at my CPU's, all 8 cores are whacking up to 1''% when this happens, I don't remember LR ever doing this before; I even rebooted to see if that would help, but it didn't.
    Any other Mac users getting these high hits, when only doing basic things? I am thinking of installing the 3.3RC to see if that helps out the problem.
    Thanks,Simon.
    ___________________________________
    Simon Edgley
    Nikon / Mac
    CS5, LR 3.3

  2. #2
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    Re: Spiking CPU

    A little research, and it seems it could be lens correction.
    Have now turned this off, will give it another go to see if it gets any better.
    ___________________________________
    Simon Edgley
    Nikon / Mac
    CS5, LR 3.3

  3. #3
    Lightroom Queen / Owner
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    Re: Spiking CPU

    Yep, that would sound right Simon. The new noise reduction is pretty heavy duty too.
    Victoria


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  4. #4
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    Re: Spiking CPU

    3.2 IMHO is slightly better at this
    Canon 7D + 24-105
    Windows 8x64, 32GB RAM, 660GT Video Card
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  5. #5
    Lightroom Queen / Owner
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    Re: Spiking CPU

    Than 3.3RC, you think?
    Victoria


    Lots of questions? Adobe Lightroom 5 - The Missing FAQ Book available now - PDF, ePub, Kindle & Paperback Discount code: LRF2011

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  6. #6
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    Re: Spiking CPU

    Ah, I am using a lot of NR too.
    It does seem better now that I have turned LC off; irony being that the images I was working on used a lens that there wasn't even a profile for!

    I am running 3.2, but haven't changed my sig, will do so now. And I'll stick 3.3 on later and see if it seems any better.

    I did find a utility that allowed over clocking of Macs; maybe its time to give it a try.
    ___________________________________
    Simon Edgley
    Nikon / Mac
    CS5, LR 3.3

  7. #7
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    Re: Spiking CPU

    A lot of people leave lens correction as the last thing to be applied. I have a filter for the range of focal length where my lens seems it's worst and apply en-bloc.
    Canon 7D + 24-105
    Windows 8x64, 32GB RAM, 660GT Video Card
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  8. #8
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    Re: Spiking CPU

    If I have to leave it off till last, I will, but first MORE POWER

    I have oc'd from 28'' to 3'8', and all seems well; no memory errors in the console.
    I will take some fresh snaps tomorrow and test with LC on and see if its better.
    ___________________________________
    Simon Edgley
    Nikon / Mac
    CS5, LR 3.3

  9. #9
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    Problem completely gone with 3.3.
    Amazing, back to full speed with LC turned on; yay!
    ___________________________________
    Simon Edgley
    Nikon / Mac
    CS5, LR 3.3

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