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Dual CPU Render Machine

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dfcorona:
Why does it seem Dual CPU EPYC machines don't work well with Corona. Or any dual CPU system for that matter. I was looking at some render machines for animation.  Seems Dual 128 Core EPYC systems would be the way to go but even Corona Benchmark shows dual EPYC 9654 not doing much better than 1 64 core Threadripper.

PPGStudios:
We had the same issue. We recently bought a Dual 128 cores Epyc machine.. and the performance is almost half time compare to a Dual Xeon 2699v4. It not make sense. There is some important work to do in Corona render core to get the benefits of this kind of CPU´s. The Xeon 2699v4 has 44 cores, and the Epyc has 256 with more Gigaherz. The time need to be around 8 times faster but the perfomance is less than haft time. Less features and more performance. It the same in the Threadripper WS. 
I read all the forums, topics, info. I try to test the corona 12.. There is something in the kernel, Core of the program(Corona Render),that need to be change

dfcorona:
Is it only corona? Does V-Ray work with dual CPU systems well? I heard that Microsoft is rolling out update (24H2) with new scheduler, wonder if that will help.

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