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    (solved) cpu slows down with high res

    Scheduled Pinned Locked Moved V-Ray
    renderpluginsextensions
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    • K Offline
      kudel47
      last edited by kudel47

      Hi.
      Maybe you know why my cpu slows down to 20% while rendering 3500x2500 image. It goes 100% at smaller res. like 1600x1200 and it takes about 2hr. my laptop cpu i7 2630 jumps to 2,7 ghz and memmory work 50% of 8gb while rendering and its normal. Render time big image is so long and i got work for yesterday 😞 I use latest version of skp and vray.
      Help!

      i set only IM with DMC and the scene has 12mb

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      • andybotA Offline
        andybot
        last edited by

        have you tried rendering to raw format (save as .exr)?

        http://charlottesvillearchitecturalrendering.com/

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        • K Offline
          kudel47
          last edited by

          Whith rendering exr file its still about 30-35% of cpu. small diffrence but not help to much:p
          I set priority for sketchup process in windows and unchceck the low priority render option in vray.

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          • eidam655E Offline
            eidam655
            last edited by

            do i understand it correctly if it's a laptop?

            because then it seems like some anti-throttling policy of the power management, and not an issue related to SU/VRay.

            I'm using SketchUp 2017, V-Ray 3.4

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            • K Offline
              kudel47
              last edited by

              Solve. if i turn off displacement (which was only with one towel) everything goes fast!

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              • V Offline
                valerostudio
                last edited by

                Displacement kills CPU, use it sparingly. Also, try to get away with using lower subdivs and and a higher edge length. On high res renders you can sometimes get away with an edge of 20+ pixels. Try it out.

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                • K Offline
                  kudel47
                  last edited by

                  @valerostudio said:

                  Displacement kills CPU, use it sparingly. Also, try to get away with using lower subdivs and and a higher edge length. On high res renders you can sometimes get away with an edge of 20+ pixels. Try it out.

                  Thanks for good advice but in this situation i used edge length 1,0 without 'use global' option to make it real, full of details. Finally for the high resolution render i made it with fur plugin. it looks better i think:)


                  forum 1.jpg

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