Render codecs & CPU & GPU usage

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Paul Draper

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  • Joined: Thu Apr 27, 2017 8:33 pm

Render codecs & CPU & GPU usage

PostSun Jul 21, 2019 1:43 am

Interesting, I found very different use of CPU resources when rendering cache or optimised media in the codecs provided by Resolve studio 16b6. 2 x Xeon 12 core 3.0Ghz E5-2687W v4; EVGA RTX 2080Ti Black.

Win performance monitor shows:

Cineform: only 12 of the 24 CPU cores working hard; GPU 3D around 30%
Uncompressed: as above.
DNxHR HQ: all 24 cores working at max, GPU 3D around 40%

Consequently it takes around half the time to render - I know what codec I'll be using (!), still, it seems a bit odd.

(Deliver uses all cores & around 40% GPU. Memory is nowhere near saturated with 64GB ram).
CPU: Dell T7910 dual Xeon, Win10Pro 1903, 64GB, Samsung SSDs. GPU: RTX 2080Ti, Decklink MiniMon 4k, Dell U3419W & BenQ SW2700PT. Audio: TB2, RME UFX+ & ADI-8, UAD-2 PCIe, FaderPort 16. Apps: Nuendo, Pro Tools, Resolve Studio.

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