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  1. #1
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    Brush lag in CS6

    I've been trying to fix this issue for ages now, the brush in cs6 is laggy and lags behind my cursor when I try to paint. This happened on my old pc, and also on my new one that I just built. Also when I move the canvas around in full screen mode there's tons of screen tearing, it basically looks like photoshop is running at 10fps or something. cs5 is fine, anyone know what might be causing this?

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  3. #2
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    What graphics card do you have and do you have OpenGL enabled in the performance tab?

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  4. #3
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    ati 7950 and yes. I've also used my old ati 4890 which had the exact same issue :/

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  5. #4
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    I've been noticing brush lags/stalling with CS6

    I have an i7 with 32gb of RAM - though I'm using a Quadro card...this shouldn't be an issue.

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  6. #5
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    Quote Originally Posted by jonafunart View Post
    I've been trying to fix this issue for ages now, the brush in cs6 is laggy and lags behind my cursor when I try to paint. This happened on my old pc, and also on my new one that I just built. Also when I move the canvas around in full screen mode there's tons of screen tearing, it basically looks like photoshop is running at 10fps or something. cs5 is fine, anyone know what might be causing this?
    what resolution are you running CS6 with?
    I noticed that my previously smoothly running photoshop started lagging like mad after plugging a 27" screen in.
    Going to opengl preferences and setting opengl usage to basic or normal off advanced helped in my case

    also make sure your videocard drivers are up to date

    Last edited by ikken; February 5th, 2013 at 06:51 PM.
    on the fourth day of glitchmas my painter™ gave to me
    four random crashes, three broken brushes, two system hangups & one corrupted workspace
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  7. #6
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    Preferences/Performance/-uncheck "Use Graphics Processor"
    This increased performance exponentially for me.

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  8. #7
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    I've just started having this problem today. I'm in CS6, working on a file I was using yesterday with no problems; now, any brush I use lags severely and Photoshop itself is slow. I have 16GB of ram, with CS6 getting the lion's share, no other programs running, no virus software in the background. I updated drivers for graphics card, monitor, wacom tablet and still the problem persists. I even tried a trial of Sketchbook and that runs fine.

    Intel Core 17 2700k 3.5GHz
    16GB ram
    Windows 7 64bit
    AMD Radeon 6900 2GB

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  9. #8
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    Did you reset the workspace to see if there's any residual issues that may cause the lag?

    Windows - CTRL-SHIFT-ALT immediately after you double-click the PS icon.

    Macintosh - CMD-SHIFT-OPTION immediately after you double-click the PS icon.

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  10. #9
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    Thanks for your advice. I tried this but to no avail. However, eventually the problem "cleared up" and my lag was gone. I did nothing special, it just stopped occurring... and a few hours later began again. Me and a friend were scouring my PC looking for something that was running in the background but found nothing. Though, we are convinced that something is running on my PC that shouldn't be, why it only affects Photoshop and why the problem ceased is beyond me.

    This problem destroyed my workflow for the day. But should I sacrifice more time re-installing windows and photoshop?

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  11. #10
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    I've been having this same problems for a week now, and nothing I've tried has worked in repairing it.

    I've had my computer since October, and up until last week it had been working fine. Without changing any settings, photoshop began brush lagging for no discernible reason.

    It has put me a week behind in my work, and I'm still no closer to resolving the problem.

    I'm on Windows 8, using CS6 with AMD Radeon HD 7310 graphics, and a Wacom Intuos 5.

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  12. #11
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    just install windows 7...

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  13. #12
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    Quote Originally Posted by funshark View Post
    just install windows 7...
    Useful and worthy advice mate, cheers. Maybe I should have got a Mac.


    Muppet.

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  14. #13
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    What you need to do is profile your system. On win8 (there is a version for win7 too) grab the Windows ADK at http://www.microsoft.com/en-us/downl....aspx?id=30652 and then use the Windows Performance Recorder to save a snapshot of the system, I'd select CPU/GPU options, save the snapshot and open it in Windows Performance Analyzer. This will give you a look at what running with high CPU/GPU utilization by process, look for patterns. Is it a single process eating the CPU or a combination....

    -J

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