PMC Bottleneck: 2x1080=7x1070?

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Dizern
Licensed Customer
Posts: 16
Joined: Sat Oct 22, 2016 4:39 am
Location: Ukraine

It seems, like E5 2609 v3 is too slow CPU for this algo.
I've tested octane on more stable mobo with celeron CPU(Dual-core), and as you can see, graphs became even worse. But, it doesn't matter on PT algo, as it still more than 3 times faster than PC1.
Celeron dual core PMC-MP
Celeron dual core PMC-MP
Conclusion:
Octane needs fast CPU for PMC algos. That's...pretty much it. Considering purchasing i7-6800k
--
In motion we trust.
I7-4790k|2xGTX1080|32RAM|Win8.1Pro
I7-7700k|7xGTX1080|32RAM|Win10Pro
I7-7700k|8xGTX1070|32RAM|Win10Pro
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itou31
Licensed Customer
Posts: 377
Joined: Tue Jan 22, 2013 8:43 am

Thanks for that information.
I just test with my 3930K :
- on PT : CPU about 15% load during rendering
- on PMC : CPU about 75% load during rendering.
I7-3930K 64Go RAM Win8.1pro , main 3 titans + 780Ti
Xeon 2696V3 64Go RAM Win8.1/win10/win7, 2x 1080Ti + 3x 980Ti + 2x Titan Black
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