Chaos Corona for Cinema 4D > [C4D] I need help!

AMD 3990X massive slowdowns

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I'm running a 3995wx Threadripper Pro. I've been experimenting with various scene files, and I have not experienced the issue you are describing.

I was able to open up a scene file with 40 million polygons. The viewport was extremely slow, but the Interactive Render worked without any problems. I did get the low memory warning, but the system was not lagging.

I opened up another file with scattered trees (20 million polys) and did not have any problems with rendering.... although I did have a crash (corona dll).

My system specs are:
Windows 10
AMD Threadripper Pro 3995wx
Asus WRX80 Sage mobo
RTX A5000

On a side note... a few years ago I was using Vray (VrayforC4D) on a dual Xeon machine. I was experiencing the same identical problem you are describing. The system would freeze for 10-15 seconds every time I tried to make a change to the materials, or try to render a preview. It was unusable, and the only solution was to disable hyperthreading in the BIOS. I eventually gave up on it and moved over to Arnold. Now, I'm thinking of switching to Corona.


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