network rendering not 100% at high res

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network rendering not 100% at high res

Postby muski » Sat Oct 18, 2014 8:14 pm

muski Sat Oct 18, 2014 8:14 pm
Hi there, I've noticed that the gpu usage in not constantly at 100% on the slave machine when rendering at higher resolutions. It seems to be related to the amount of data being transmitted over the network. There is pretty much there is a direct correlation, when the gpu usage drops, the network data being transmitted goes up, and vice versa. This can be easily tested with the standalone benchmark file at 5k pixels wide.

Is this because the network speed (1GB) is not enough to cope with the demand?

Thanks
Attachments
network rendering.JPG
win10x64 | AMD 2920X | 128GB | bunch of 1080's | max 2014/17
muski
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Re: network rendering not 100% at high res

Postby muski » Sat Oct 18, 2014 9:06 pm

muski Sat Oct 18, 2014 9:06 pm
It seems that by using Jumbo frames over the network reduces the problem dramatically, although the problem is still there. I got the best results using 4k jumbo frames.
win10x64 | AMD 2920X | 128GB | bunch of 1080's | max 2014/17
muski
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Posts: 58
Joined: Wed Dec 07, 2011 9:12 pm

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