Photoshop CS6 laggy operations


i noticed ph cs6 layer dragging laggy, , not smooth @ all. example, in 2048x872 file dragging layers around in photoline smooth. same document in photoshop quite laggy , quite distracting. in photoline frame update seems 10 times smoother.

 

photoline, of course, not use opengl. turning off opengl (gpu hardware accelleration) photoshop improves performance lot, full image layers @ resolution still not reach performance of photoline's smooth dragging, , while dragging full image layer lot of image tearing in photoshop (with gpu turned off in performance). not great.

 

the same brush engine performance: drawing laggy. in photoline , krita painting smooth , not laggy @ all. tiny brush spacing @ on 50% still slow work in photoshop.

 

has else noticed this? there specific amd setting improve photoshop's opengl performance? turning off gpu acceleration not option. i'd system should able run photoshop smoothly. other apps do! krita's opengl viewport on windows butter smooth when panning or rotating canvas. there no comparison, really: photoshop's canvas panning , rotating lags.

 

so have conclude there borked in photoshop's opengl implementation?

 

system specs:

system: win7 64bit - i7 920@3.6ghz, p6t deluxe v1, 48gb (6x8gb ripjawsx), ati 7970 3gb (drives screens), revodrive x2 240gb (ssd raid pci card 1.3gb/s disk performance), nvidia 590 (only used cuda, not connected display), 2xsamsung sa850 (2560*1440) , 1xhp2408h 1920*1200 portrait

 

(although have switched other software work, have open legacy client files in photoshop cs6, , laggy performance painful watch , use.)

 

similar thread, no solution:

http://forums.adobe.com/thread/1010775?start=40&tstart=0

 

{edit} yes, did reset prefs.

no one? suggestions?



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