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FeedbackCommunityMember
Inspiring
June 11, 2011
Released

P: GPU & Multiprocessor acceleration

  • June 11, 2011
  • 75 replies
  • 2255 views

It would be great if Lightroom 4 had GPU support for CUDA enabled video cards similar to the Mercury Playback Engine in CS5. That would really speed up performance! Every couple of seconds helps when you are editing 1000s of files.

Saving 2 seconds between images comes out to be an hour of saved time when you are editing 2000 images. I have 12 GB of RAM, and 12 core processors at my disposal and sometimes i have 4 seconds between images.

Multiprocessor support would be great as well!

    75 replies

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    areohbee
    areohbee
    Legend
    June 11, 2011
    Indeed. Some people have thought thumbnail scrolling jerkiness was due to GPU, but its not. One can grab between thumbs and scroll smoothly, its just the scroll-bar initiated scrolling that's jerky.
    J
    J453
    Legend
    June 11, 2011
    GPU Support is not magic fairy dust that would make all aspects of Lightroom faster - there are things that GPU's simply aren't fast at. It would be better to tell us what things are slow and let the engineers find the correct technology/solution for the problem.
    L
    Lee Jay
    Inspiring
    June 11, 2011
    Adobe isn't likely to release that type of information before release, but I sort of doubt it personally.
    F
    FeedbackCommunityMemberAuthor
    Inspiring
    June 11, 2011
    Thanks for your reply. Does anyone know if Lightroom 4 will offer GPU acceleration?
    F
    FeedbackCommunityMemberAuthor
    Inspiring
    June 11, 2011
    Lightroom already supports multiple processors. But many of the compression methods used in camera RAW files do not lend themselves to parallel processing, slowing the pipeline.

    A GPU is not a cure all, and can cause more problems than they solve (especially where some drivers are concerned).

    It would be best to just list the problems you're seeing, and let the Lightroom engineers figure out the problem and best solutions.
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