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Bug building to NX is struggling through scenes

Discussion in '2021.2 Beta' started by laurentlavigne, Jul 9, 2021.

  1. laurentlavigne

    laurentlavigne

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    assets are fine, scene building is impossibly slow
    upload_2021-7-8_23-36-54.png

    and the cancel button isn't working so bug log will have to wait a little
     
    laurentlavigne, Jul 9, 2021
    #1

  2. laurentlavigne

    laurentlavigne

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    hop
    1349093
     
    laurentlavigne, Jul 9, 2021
    #2

  3. aleksandrk

    aleksandrk

    Unity Technologies

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    hi!
    you can make the build go faster if you turn off "Optimize mesh data" in Player settings while we're making mesh data optimization faster on our end
     
    aleksandrk, Jul 28, 2021
    #3
    LeonhardP, laurentlavigne and mahdi_jeddi like this.

  4. laurentlavigne

    laurentlavigne

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    didn't know that per scene were being mesh optimized, I guess static mesh
    this used to be fast in 1.17 so ... regression ?
     
    laurentlavigne, Jul 28, 2021
    #4

  5. aleksandrk

    aleksandrk

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    We'll see :)
     
    aleksandrk, Jul 28, 2021
    #5

  6. Peter77

    Peter77

    QA Jesus

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    Peter77, Aug 1, 2021
    #6

  7. aleksandrk

    aleksandrk

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    Update: it's not a regression.
    A fix is coming! Testing on your project, the build time on 2021.2 went down from 1h17m to 14m22s with mesh data optimisation on and 37m43s down to 11m32s with mesh data optimisation off.
    Thank you for the bug report! :)
     
    aleksandrk, Aug 26, 2021
    #7
    LeonhardP, Lurking-Ninja, JoNax97 and 1 other person like this.

  8. aleksandrk

    aleksandrk

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    A fix can/will be found in 2022.1.0a7, 2021.2.0b13, 2021.1.22f1.
    2020.3 and 2019.4 to follow - I'll post here when I know the fix versions.
     
    aleksandrk, Sep 9, 2021
    #8
    sebas77 and LeonhardP like this.

  9. Neto_Kokku

    Neto_Kokku

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    Many thanks for backporting this to 2019.4.
     
    Neto_Kokku, Sep 9, 2021
    #9
    aleksandrk likes this.

  10. sebas77

    sebas77

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    sorry to be clear, has this just been introduced? I find so weird that I identified the problem the same day I updated unity and you posted the fix.
     
    sebas77, Sep 9, 2021
    #10

  11. aleksandrk

    aleksandrk

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    Optimize mesh data has been around for quite a while. Builds taking significantly longer when it's turned on has also been a thing since its introduction.
     
    aleksandrk, Sep 9, 2021
    #11

  12. sebas77

    sebas77

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    No I meant the bug that you fixed, has the bug been introduced lately?
     
    sebas77, Sep 10, 2021
    #12

  13. aleksandrk

    aleksandrk

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    No, it's been there for quite a while. It's just much more noticeable in 2021.2, and that's because URP shaders have way more variants now.
     
    aleksandrk, Sep 10, 2021
    #13
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  14. sebas77

    sebas77

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    ok looking forward for the backported fix then.
     
    sebas77, Sep 13, 2021
    #14

  15. aleksandrk

    aleksandrk

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    The fix will also be available in 2020.3.19f1 and 2019.4.31f1.
     
    aleksandrk, Sep 18, 2021
    #15
    sebas77 likes this.