Photoshop: CS6 Slow compared to CS5.1 with large files

PS CS6 has a lot of enhancements and great features. it launches very fast, and the control is very responsive and smooth.

although i am experiencing some speed issues with very large files. compared to CS5.1, where i don't have any of these issues.

the files are PSBs, 9000x8000px, 80+layers, RGB, 8bit

i have the same performance settings for both, cs6 and cs5
i am working on MAC PRO, 16GB ram, SSD scratch, 2TB raid, Radeon HD 5770, Snow Leopard.

the main issues i have are:

- no refresh when i move the curve on adjustment layer. the refresh comes after i let go.
- jagged pan
- extremely slow moving of layers and layer groups, even if they are with smaller dimensions (800x400pix)

again, working with files with less layers or smaller dimensions is very fast.

thanks for your help and support!
m.
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  • Hello Chris,
    Any ideas on when the sluggishness in nudging is going to be fixed?
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  • Ditto. Also I'm seeing some things that suggest that part of the problem is due to Adobe and NVidia not coming together better. I use other software that forces me to keep up with the latest drivers, but it seems PS CS6 Extended is faster and smoother with old drivers. Things like the circle around the eraser brush no longer showing (since PS CS 3 Extended actually, still happens in 3 which I use at my office). I'm no tech but seems to be related to drivers.

    I can't switch to any other brand than NVidia and who would want to anyway.

    Is this sluggishness happening mainly to those using NVidia Drivers?
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    • Just occured to me. Could a Wacom driver be involved with the odd issue I mentioned? Perhaps I need to experiment with that?
    • Chris Cox (Sr. Computer Scientist) December 07, 2012 05:29
      ...because your video driver has a bug, and the driver gets reset when you reboot. Again, this was something we saw in older drivers, but it was fixed quite a while ago. Please try updating your video card driver (and follow the directions so you don't end up with bits of the old driver left around).
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  • On my Mac Pro 10.8.2 with 16GB of RAM and the ATI Radeon HD 5870.....my performance on Photoshop CS6 is still awful. Even the interface is laggy in places.

    -Kevin
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