Rhino 8 CPU Overload

Rhino
1

Attachments:
Task Manager.png - Test.3dm
(I have attached ‘Wrong Material Icon Update.png’ too because of I don’t know whether it could be correlated or not, otherwise I’ll open another post, thank you)

Task Manager
Task Manager1920×1080 195 KB

Wrong Material Icon Update
Wrong Material Icon Update1920×1080 249 KB

Test.3dm (886.7 KB)

Dear McNeel, dear Forum,
like other users CPU goes overloading.

i.e. Loading attached file ‘Test.3dm’ → Select wall → Properties → click on Material → overload CPU (just after several seconds opens Material Panel)

i.e. Loading Rhino Sample Models ‘SubD Helmet.3dm’ as soon as I apply a textured material from Rhino Library goes in overload without any chance to do nothing, although I can use simple Window programs yet. Techincally Rhino doesn’t crash, just think :-).

In my case something let me think the issue could be caused by using textured materials. In the attached file seems to be no textures, but I tried it. No issue with files without textures.

At first I thought a different need to manage ram resources from Rhino too, no issue with Blender Cycles, I had just 6 GB, but after upgrading to 12 I have the same issue

Thank you,
Bartle
PS I hope I was clear, English isn’t my language, sorry.

System Info:
Rhino 8 SR3 2024-1-9 (Rhino 8, 8.3.24009.15001, Git hash:master @ 3541fa287a013b0f17849f0740f1e43a44031bfc)
License type: Evaluation, build 2024-01-09
License details: Stand-Alone
Expires on: 2024-02-09

Windows 10 (10.0.19045 SR0.0) or greater (Physical RAM: 12Gb)
.NET 7.0.0

Computer platform: DESKTOP

Standard graphics configuration.
Primary display and OpenGL: NVIDIA GeForce GTX 1060 6GB (NVidia) Memory: 6GB, Driver date: 1-18-2024 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 551.23
> Accelerated graphics device with 4 adapter port(s)
- Windows Main Display attached to adapter port 0

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
Redraw scene when viewports are exposed: On
Graphics level being used: OpenGL 4.6 (primary GPU’s maximum)

Anti-alias mode: 4x
Mip Map Filtering: Linear
Anisotropic Filtering Mode: High

Vendor Name: NVIDIA Corporation
Render version: 4.6
Shading Language: 4.60 NVIDIA
Driver Date: 1-18-2024
Driver Version: 31.0.15.5123
Maximum Texture size: 32768 x 32768
Z-Buffer depth: 24 bits
Maximum Viewport size: 32768 x 32768
Total Video Memory: 6 GB

Rhino plugins that do not ship with Rhino

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 8\Plug-ins\Commands.rhp “Commands” 8.3.24009.15001
C:\Program Files\Rhino 8\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 8\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 8.3.24009.15001
C:\Program Files\Rhino 8\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 8.3.24009.15001
C:\Program Files\Rhino 8\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 8\Plug-ins\MeshCommands.rhp “MeshCommands” 8.3.24009.15001
C:\Program Files\Rhino 8\Plug-ins\RhinoCycles.rhp “RhinoCycles” 8.3.24009.15001
C:\Program Files\Rhino 8\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 8.3.24009.15001
C:\Program Files\Rhino 8\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 8\Plug-ins\Displacement.rhp “Displacement”
C:\Program Files\Rhino 8\Plug-ins\SectionTools.rhp “SectionTools”

2

This should be fixed in what will become Rhino 8.5. I have sent you a link in a direct message to try.

edit/addendum:

The material icon issue you are seeing is because you have Viewport Sharpness set to something non-zero. In anything prior to Rhino 8.4 this was still a bit of a bug, but with Rhino 8.5 in the very least all of that has been fixed and stabilized. Parts that have been improved:

  • Viewport Sharpness actually works
  • Multiple GPU rendering possible (same rendering technology)
  • Automatic resolution division in the viewport through heuristics by Cycles (in 8.3 there is a non-functional Viewport Responsiveness slider - in 8.5 this has been dropped since it is no longer required).
  • Much improved handling of recompiling kernels. A couple of new buttons are available in the Rhino Render options dialog page
  • A whole load of fixes to materials, decals, color mask, etc
1 Like
3

When you say 'S’upport. Wow.

Everything solved. You made may day.
A bit unresponsive in some cases, but it doesn’t matter when you are in love, Rhino user since Rhino 2, then I know to have an old PC.

Thank you… thank you very much indeed.

Best regards,
Bartle

2 Likes
4

Have fun using Rhino 8 :slight_smile:

5

I just updated to Rhino 8.5 and my CPU jumps to 100% use whenever I type any command. I did not have this issue with 8.4. Help? :slight_smile:

6

Does this happen when you type _Box in a completely empty document?

7

Yes it was happening with the _Box command. I uninstalled and reinstalled and seems to be fine now.

8

ok, let’s hope that it was the reinstall needed.

9

Yes, hopefully. Thank you Nathan.