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  Sweet Home 3D Forum
  Category: Help
  Forum: 3D problems
  Thread: Slow render - High CPU

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Wiggs7
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Australia
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Slow render - High CPU
Hi all,

Wondering if I am missingh something.

V 7/0/3 on windows
3D view/create a photo/

Even if I choose 3 quality, it's taking a very long time.

I also note that CPU usage is high (99%), but GPU low (10%). I have a decent 2080 GPU and was hoping to use that to assist the render?
[Sep 23, 2022, 11:33:57 AM] Show Printable Version of Post    View Member Profile    Send Private Message [Link] Report threatening or abusive post: please login first  Go to top 
hansmex
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Netherlands
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Re: Slow render - High CPU
SH3D doesn't use GPU, only CPU.

If rendering takes too long, there are many options to reduce rendering time. Search the forum or try one of these:
- reduce number of lights
- choose smaller models
- make models invisible that do not appear in the image
- etc

H
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Hans

new website - under constuction
hansdirkse.info
[Sep 23, 2022, 12:48:51 PM] Show Printable Version of Post    View Member Profile    Send Private Message [Link] Report threatening or abusive post: please login first  Go to top 
Puybaret
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Re: Slow render - High CPU
Try also the faster YafaRay renderer.
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Emmanuel Puybaret, Sweet Home 3D creator
[Sep 23, 2022, 1:25:42 PM] Show Printable Version of Post    View Member Profile    Send Private Message [Link] Report threatening or abusive post: please login first  Go to top 
Wiggs7
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Australia
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Re: Slow render - High CPU
Thank you, all.

Hansmex, to confirm, if I have object behind the render view... will they affect the render??
[Sep 24, 2022, 3:45:06 AM] Show Printable Version of Post    View Member Profile    Send Private Message [Link] Report threatening or abusive post: please login first  Go to top 
hansmex
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Re: Slow render - High CPU
SH3D must determine for every object where it is and whether or not it is visible in the image that will be produced. This takes time.

If you remove all objects that will not appear in your image, the render engine doesn't need to do these preparatory steps.

So... make invisible all levels that don't appear in your image and do the same for all objects.

H
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Hans

new website - under constuction
hansdirkse.info
[Sep 24, 2022, 4:50:19 AM] Show Printable Version of Post    View Member Profile    Send Private Message [Link] Report threatening or abusive post: please login first  Go to top 
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