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C4D viewport lagging and stuttering after upgrading to Big Sur
Posted: 02 March 2021 08:07 AM   [ Ignore ]  
Total Posts:  76
Joined  2013-11-16

Hi

I have an iMac Pro 2017 and just upgraded to Big Sur and running latest version of R23. Radeon Pro Vega 64 16 GB.

Using multi instance mode (as points or even off) is extremely slow and jerky to navigate viewport (clone numbers ~30-40,000 simple spheres. Previously in high Sierra using R22-R23 had no difficulty navigating the scene.

Is this a known issue? Is there a fix?

Thanks
Cheers
Chris

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Posted: 02 March 2021 03:50 PM   [ Ignore ]   [ # 1 ]  
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Hi Chris,

This would be a case for the technical support:
https://support.maxon.net/index.php

I have Big Sur 11.2.1 and 11.3.1 here running, and it is fine. So, I can’t reproduce it here.

My best wishes.

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Dr. Sassi V. Sassmannshausen Ph.D.
Cinema 4D Mentor since 2004
Maxon Master Trainer, VES, DCS

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Posted: 02 March 2021 09:55 PM   [ Ignore ]   [ # 2 ]  
Total Posts:  76
Joined  2013-11-16

Hi Sassi

I believe the issue was that the shapes I was cloning the objects onto were too complex ~70,000 polys each of two objects.
Using simplified objects made it workable.

Cheers
Chris

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Posted: 02 March 2021 10:17 PM   [ Ignore ]   [ # 3 ]  
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Thanks, Chris, for the update.

I use the Multi instances mode with high clone counts/polygon-counts, mostly in point mode only.

However, this sounds more like a stress test than a regular production setup. Enjoy your nice machine.

All the best

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Dr. Sassi V. Sassmannshausen Ph.D.
Cinema 4D Mentor since 2004
Maxon Master Trainer, VES, DCS

Photography For C4D Artists: 200 Free Tutorials.
https://www.youtube.com/user/DrSassiLA/playlists

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