do multiple GPUs speed up karma rendering?

Forums Houdini Lounge do multiple GPUs speed up karma rendering?

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MitchClout: Member; 2 posts; Joined: Feb. 2022; Offline

Feb. 5, 2022 5:50 p.m.

do multiple GPUs speed up karma rendering?


alunablue: Member; 29 posts; Joined: Nov. 2021; Offline

Feb. 7, 2022 4:36 p.m.

I'm using 19.0.498 on Ubuntu 20.04 with nvidia-470.

Ubuntu recognizes the two GPU but from what I can tell Karma only uses the one card.

It would be great to use both GPU.


tamte: Member; 9553 posts; Joined: July 2007; Offline

Feb. 7, 2022 11:18 p.m.

I believe Karma XPU should recognize all devices
I personally have just 1 cpu and 1 gpu
But I definitely saw people in tutorials use 2 gpus and a cpu
You can see all used devices in top right corner of the viewport

Tomas Slancik
CG Supervisor
Framestore, NY

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