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Thread: General Rendering Question....

  1. #1

    General Rendering Question....

    So I was testing a scene and I noticed that the preprocess pass took the same time on my 32 thread Ryzen desktop as it did on my 8 thread i7 laptop.
    Is this normal? I checked task manager and it shows cpu usage at 100%....the only other difference between the 2 machines is the laptop has 48gb ram and the desktop has 16 (yes, yes, I know...Im just waiting for fedex to deliver the ram for the desktop).

    Any insight would be great, it just seemed odd that the times would be the same.
    Rob Depew
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  2. #2
    Goes bump in the night RebelHill's Avatar
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    pre-process? You talking about interpolated gi (blue bar), or the scene prep (green bar)... cos scene prep is usually subdividing/triangulating geo, etc, which (I believe) is single threaded.
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  3. #3
    Gi, SSS, FFX..not subdivision and geometry prep. On laptop it took about 7 minutes...desktop about 7 minutes...I watched the desktop and cpu usage is 100% and using all the threads...so at minimum I would have expected the preprocess to come in around 2 minutes on desktop.
    Rob Depew
    Modeler/Animator/Editor
    Web Portfolio
    My Patreon
    YouTube
    Lightwave3D 2019, RF10, Gaea and more..
    Threadripper 16 core , 48gb, GTX-1070
    Asus 752vt i7 2.6 x 4, 48gb, GTX-970

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