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theoriginaltoxiccrayons
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Photoshop CS6 Brush Lag

Aug 12, 2012 5:24 PM

I've tried several fixes for this including disabling CL, changing cache settings, and reducing drawing mode from adavanced to basic. Nothing is working.

 

These are my specs..

 

Adobe Photoshop Version: 13.0 (13.0 20120315.r.428 2012/03/15:21:00:00) x64

Operating System: Windows 7 64-bit

Version: 6.1

System architecture: AMD CPU Family:15, Model:10, Stepping:0 with MMX, SSE Integer, SSE FP, SSE2, SSE3

Physical processor count: 6

Processor speed: 2693 MHz

Built-in memory: 6143 MB

Free memory: 4351 MB

Memory available to Photoshop: 5374 MB

Memory used by Photoshop: 83 %

Image tile size: 132K

Image cache levels: 4

OpenGL Drawing: Enabled.

OpenGL Drawing Mode: Basic

OpenGL Allow Normal Mode: True.

OpenGL Allow Advanced Mode: True.

OpenGL Allow Old GPUs: Not Detected.

Video Card Vendor: ATI Technologies Inc.

Video Card Renderer: ATI Radeon HD 5800 Series

Display: 1

Display Bounds:=  top: 0, left: 0, bottom: 1050, right: 1680

Video Card Number: 1

Video Card: ATI Radeon HD 5800 Series

OpenCL Version:

Driver Version: 8.980.0.0

Driver Date: 20120611000000.000000-000

Video Card Driver: aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,ati umd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdv a,atiumd6a.cap,atitmm64.dll

Video Mode: 1680 x 1050 x 4294967296 colors

Video Card Caption: ATI Radeon HD 5800 Series

Video Card Memory: 1024 MB

Video Rect Texture Size: 16384

Photoshop scratch has async I/O enabled

Scratch volume(s):

  C:\, 919.2G, 807.9G free

 

Another option suggested I disabled GL but the advanced interface did not have the open GL option visible in the same location as the guide.

 

I did not have brush lag until I started using the air brush. I did increase canvas size and make the file much larger but the lag did not happen until after I switched brush types. It is possible that I did not notice the lag until I switched.

3969 Views   14 Replies   Latest reply: Chris Cox, Feb 24, 2013 12:10 PM
 
Replies
  • Noel Carboni
    20,988 posts
    Dec 23, 2006
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    1. Noel Carboni,
    Aug 12, 2012 5:41 PM   in reply to theoriginaltoxiccrayons
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    How big is the canvas (in pixels horizontally x vertically)?

     

    What mode and data depth (e.g., RGB, CMYK, grayscale; 8 bits/channel, 16 bits, etc.)?

     

    How big is the brush in pixels?

     

    What brush is selected?

     

    You mentioned the airbrush option enabled.  What are the other settings? 

     

    Ideally, a screenshot showing the whole desktop environment when you're brushing will be helpful.

     

    Can you quantify the lag?  As in, "I click in the upper-left corner of the image, then shift-click in the lower-right corner, and it takes the brush x.y seconds to stroke across the image."  Be as accurate as you can; a 0.5 second lag is way different than a 5 second lag.

     

    Be aware that very large brushes have to manipulate a huge number of pixels and can slow things down.

     

    -Noel

     
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  • theoriginaltoxiccrayons
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    2. theoriginaltoxiccrayons,
    Aug 12, 2012 7:59 PM   in reply to Noel Carboni
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    horizontally 1512 vertically 1296

    I didnt have airbrushing enabled. I was using the "airbrush." I think it was airbrush low density grainy at quite a large setting as I was working on blocking in a background color change. I believe in the area of 100 pixels. I also switched to one of the spatter brushes shortly after, similar in size. When I use the shift click option I approximate the lag from top left corner to bottom right corner is  4 seconds. It is quite a lot of lag. In photoshop CS5 my computer ran very large images without issue regardless of brush size. In fact I've done larger images by multiple times...several thousand pixels.

     
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  • theoriginaltoxiccrayons
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    3. theoriginaltoxiccrayons,
    Aug 12, 2012 8:03 PM   in reply to theoriginaltoxiccrayons
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    zuluworkspace.jpg

     
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  • Noel Carboni
    20,988 posts
    Dec 23, 2006
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    4. Noel Carboni,
    Aug 12, 2012 8:08 PM   in reply to theoriginaltoxiccrayons
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    Thanks for the detailed info.  Yes, that's unambiguously WAY slower than what I'm seeing.  I even pushed it up to 300 pixels and it just keeps up, no matter how quickly I brush around, with all the Brush settings maxed.  Something's definitely amiss on your setup.

     

    I don't see too much wrong in your specs; your display driver is up to date.  An 83% Photoshop RAM limit might be a bit high for a 6 GB system, but I can't see how it would slow things consistently. 

     

    I do see that you have not moved up to Windows 7 service pack 1.  Adobe does say they require SP1 for Photoshop CS6.  Did you avoid updating to SP1 for a reason?

     

    Do you see the same slow speed if you temporarily disable the [  ] Use Graphics Processor setting (making sure to restart Photoshop after and before testing)?

     

    -Noel

     
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  • theoriginaltoxiccrayons
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    5. theoriginaltoxiccrayons,
    Aug 12, 2012 8:11 PM   in reply to theoriginaltoxiccrayons
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    Also, this is an issue of mixer brush. I restarted the program and becan painting. I thought I had fixed it because the lag seemed to disappear. I realized before the first stroke was complete that it was the paintbrush and not the mixerbrush I was using. I turned the mixerbrush back on, and the lag immediately comes back. The lag stays when I switch to back to paintbrush. It seems it has something to do with mixerbrush.

     
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  • theoriginaltoxiccrayons
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    6. theoriginaltoxiccrayons,
    Aug 12, 2012 8:12 PM   in reply to theoriginaltoxiccrayons
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    I can update more. I recently reset my computer to factory settings to clean out my PC. If that could be the issue then I will go through and update all of those. I will also check the rest. Thank you for your help...it has been driving me nuts.

     
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  • Noel Carboni
    20,988 posts
    Dec 23, 2006
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    7. Noel Carboni,
    Aug 12, 2012 8:13 PM   in reply to theoriginaltoxiccrayons
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    As a workaround, does the speed increase if you set the Spacing value (in the Brush Panel, in the Brush Tip Shape options) up a little bit?

     

    -Noel

     
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  • theoriginaltoxiccrayons
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    8. theoriginaltoxiccrayons,
    Aug 12, 2012 8:23 PM   in reply to Noel Carboni
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    LOL I cannot believe that fixed it. I moved it from 1 to 7%...it seems to be working. Thank you so much.

     
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  • theoriginaltoxiccrayons
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    9. theoriginaltoxiccrayons,
    Aug 12, 2012 9:26 PM   in reply to Noel Carboni
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    Everything was going well. I downloaded and installed the service pack. I opened my file and used a spatter brush for a couple of minutes. I decided to mess with some other brushes to play with the texture of the background. I selected "water color build up" brush and began to lag immediately after using it in the background. I restarted photoshop and resumed using the splatter brush but it continues to lag.

     
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  • theoriginaltoxiccrayons
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    10. theoriginaltoxiccrayons,
    Aug 12, 2012 9:29 PM   in reply to theoriginaltoxiccrayons
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    Ah it seems I had to alter the tip of the brush again. Still, I wonder what causes the lag in the first place. Anyway, thank you again for your help.

     
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  • unclejenkins1
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    11. unclejenkins1,
    Feb 24, 2013 12:24 AM   in reply to Noel Carboni
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    I was having issues with laggy drawing and turning off the "Use Graphics Processor" completely fixed it.

     
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  • Chris Cox
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    12. Chris Cox,
    Feb 24, 2013 1:08 AM   in reply to unclejenkins1
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    That means that the slowdown was due to a bug in your video card driver.

    Have you updated your video card driver from the GPU maker's website recently?

     
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  • unclejenkins1
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    13. unclejenkins1,
    Feb 24, 2013 11:48 AM   in reply to Chris Cox
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    Yeah, I always keep my GPU drivers up to date. It's a pretty decent card too, a Radeon HD 6750 (1GB).

     
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  • Chris Cox
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    14. Chris Cox,
    Feb 24, 2013 12:10 PM   in reply to unclejenkins1
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    AMD has had some driver issues recently. Try the 12.8 drivers, or 13.2 beta 5 or later (which fix most of the known issues).

     
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