Streaming from second GPU

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gr3cki_

New Member
Hello I Have GTX 1080Ti and GTX 1050Ti and I'm using both cards but when I tried to stream from 1050ti and on a 1080Ti my Game Crash and OBS aswell.
I've seen multiple tutorials how to stream from second gpu and I'm doing exactly the same things from this videos. I'm using the latest Nvidia Drivers. I will upload my last 3 log files from obs.
 

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Harold

Harold

Active Member
You are causing a severe performance hit in your system just by having the 1050ti installed.
Do not try to do cross-gpu use of obs like this, it will NOT help with performance, contrary to any snake oil guides you've found.
 
G

gr3cki_

New Member
Harold said:
You are causing a severe performance hit in your system just by having the 1050ti installed.
Do not try to do cross-gpu use of obs like this, it will NOT help with performance, contrary to any snake oil guides you've found.
Click to expand...
are you sure? i think if im playing only on a 1080ti and streaming from 1050ti my fps will not be affected by the stream
 
T

Tomasz Góral

Active Member
gr3cki_ said:
are you sure? i think if im playing only on a 1080ti and streaming from 1050ti my fps will not be affected by the stream
Click to expand...
1. GPU prepare in FrameBuffer surface, now must send data via Main Bus (PCIE) to second GPU (if you have two card some card change speed to lower from x16 to x8, both card share one x16 and change to 2 * x8). Yeah you slowly your system.
Second your PCIE send data from one Card to second, your encoder on better card not working, working second card prepare new DX surface new FrameBuffer.
A lot of electricity consumed and nothing in return.
 
G

gr3cki_

New Member
Tomasz Góral said:
1. GPU prepare in FrameBuffer surface, now must send data via Main Bus (PCIE) to second GPU (if you have two card some card change speed to lower from x16 to x8, both card share one x16 and change to 2 * x8). Yeah you slowly your system.
Second your PCIE send data from one Card to second, your encoder on better card not working, working second card prepare new DX surface new FrameBuffer.
A lot of electricity consumed and nothing in return.
Click to expand...
ok thank you
 
R

rockbottom

Active Member
Here's an option that actually works. Depending on your mobo, you may be able to enable the HD 630 iGPU on your 7700k & off-load encoding to it without penalty. In my set-up, the GPU handles the rendering & encodes my recording while the iGPU is encoding both of my out-going streams. This is an older video but from the correct period for your hardware. If you're able to enable the iGPU, set the 1080 as Primary in BIOS.

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