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Still very slow

Väinö Louekari
  • Edited

The latest version takes more than an hour (in a competent PC) to generate about 2000 previews. Much, much slower than any other software ( X6, LR, On1, RT et cetera). Why, after all these updates?

EDIT: No, sorry, it is even slower: 20 minutes for 150 previews. 

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Comments

5 comments

Date Votes
  • Ian Wilson
    Moderator
    Top Commenter

    Clearly something is amiss. Most of us don't have this problem. 20 minutes for 150 previews is not how it usually works. So there must be something about your set-up, your installation, or your computer that is causing it, and I would assume there is a cure that the techies could help you track down. Have you tried contacting Support for help? (Use the Submit a Request link at the top right of this page.)

    Ian

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  • Väinö Louekari

    Well, every other software I have generates previews much faster so no, I do not think it is my set-up or my computer. Also even on this forum I do not seem to be the only one with this problem. 

    Anyway, thank You for Your help, maybe I will try Support once more. 

    May I ask how fast C1 generates previews for You? I know a lot depends on the computer etc, but roughly. 2 minutes for 150 previews, five minutes?

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  • Bill Coley

    To check my system's preview generation speed, I just imported a batch of 200 images into a new session. The import+preview process took right at five minutes, though the process included an automatic levels adjustment on each image, and I don't know how such adjustments affect preview generation speed. At most, though, my system created 200 previews in five minutes.

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  • TAX _

    There can be many reasons for slow proxy generation

    Where are the RAW files (external/internal, SSD/HDD)
    Where are your session/catalog (External/internal SSD/HDD)
    RAW files (20MP, 50MP, 150MP)
    Proxy size (800px, 1920, 2540,5k)

    And btw, you are assuming that proxies in LR, On1, Capture One are the same

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  • Ian Wilson
    Moderator
    Top Commenter

    I'm not suggesting there is something wrong with your computer as such - just that perhaps there is some combination of other software, or set-up, or something, that means it isn't playing nicely with Capture One.

    In case it helps, I just did a trial - set up a new catalog, and imported a folder of 121 images. Start to finish, from when I clicked the button to Import All, to when the last preview had been generated, was 52 seconds. (This is a MacBook Pro 2020, with internal SSD and 32 GB of RAM.)

    So that makes me think that something is amiss.

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