GPU acceleration only affects the library module, but not the development module

Question

Hello friends,It seems to me that GPU acceleration only affects the library module, but not the development module.This is demonstrated by the fact that when GPU acceleration is turned on, the images in the Library module are finely rasterized, in the Develop module they are roughly rasterized. This makes image processing very difficult.If I switch off the graphics processor acceleration in LR, the images in both modules are roughly rasterized. If I switch on the graphics processor acceleration again, then it is as described above.I am of the opinion that this is only the case since an update in LR. I have been working with LR V5 for years, I never noticed this behavior. Now with the installation of LR Classic CC it is like that from the beginning.My graphics card is a NVIDIA GeForce GT710. This is not in the list of recommended graphics cards. But it worked very well under LR5 (finely rasterized images in both modules). I need a passively cooled graphics card.Do you have any idea why that might be? I have installed the latest drivers from the NVIDIA site.My configuration: Win10Pro 64bit; NVIDIA GeForce GT710, driver V416.34; Lightroom Classic CC, V8.0; Camera Raw 11.0Best regards  Marcus

dj_paige · Accepted Answer

marcusk29492084 wroteHello friends,It seems to me that GPU acceleration only affects the library module, but not the development module.This is demonstrated by the fact that when GPU acceleration is turned on, the images in the Library module are finely rasterized, in the Develop module they are roughly rasterized. This makes image processing very difficult.If I switch off the graphics processor acceleration in LR, the images in both modules are roughly rasterized. If I switch on the graphics processor acceleration again, then it is as described above.I am of the opinion that this is only the case since an update in LR. I have been working with LR V5 for years, I never noticed this behavior. Now with the installation of LR Classic CC it is like that from the beginning.The problem with this logic is that no other Lightroom user is experiencing this, and so the most likely cause is something else. Or perhaps it is the GPU driver (and not Lightroom) that is the problem.Can you show us screen captures so we can see the problem? We would need to see a screen capture of what the photo looks like in the Library module and we would need to see a screen capture of what the photo looks like in the Develop Module.

bhousto90 · Answer

This may be a problem with the ver 416.x drivers from nVidia? There have been reports of LR slowdowns when these drivers are in use combined with LR8 but works better with driver ver 411.x

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