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Render Time Hovering at 72 ms with no cameras connected
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MackK1  
#1 Posted : Friday, February 2, 2018 10:18:57 AM(UTC)
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I'm trying to kill down the render time on our system. We have a 4 camera system, the computer has no inputs on it right now besides two NDI inputs on the same computer and the program that broadcasts them isn't running. Meanwhile, the render time is staying around 72 ms.

System Specs

Windows 10 Pro x64
Core i7-7700K
16 GB Ram
Nvidia Geforce 1080 Ti

4 1080p Camera through SDI capture card
2 NDI inputs through NewBlue Titler Live

Right now as mentioned neither of those are active and the render time is hovering around 72 ms.
I've followed all recommendations on this page: https://www.vmix.com/kno...2/optimising-performance
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NHT  
#2 Posted : Friday, February 2, 2018 11:45:05 AM(UTC)
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Have you looked at task manager/services to see what's running in the background?
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AlanZ  
#3 Posted : Friday, February 2, 2018 11:47:26 AM(UTC)
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Is the vMix performance tab is settings showing the nVideo card as the one in use?
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MackK1  
#4 Posted : Friday, February 2, 2018 1:04:48 PM(UTC)
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NHT wrote:
Have you looked at task manager/services to see what's running in the background?


I did. It was the only program using the card, besides one or two others. See attached image.

Image avaliable via link: Task Manager.png
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MackK1  
#5 Posted : Friday, February 2, 2018 1:11:53 PM(UTC)
MackK1

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AlanZ wrote:
Is the vMix performance tab is settings showing the nVideo card as the one in use?



Yes, take a look at this image, I set them earlier. I attached the image to the post.
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Cpilcher  
#6 Posted : Friday, February 2, 2018 2:03:47 PM(UTC)
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Every time I see this problem, My goto is to stop the NVidia Share processes (as well as any shadowplay if you are on an older version). If you uninstall nVidia GeForce Experience you essentially do the same thing. Have you looked at that as a possible cause?

EDIT: I see vMix has included this into their official documentation as a fix, sorry if you have done this already. But there are a lot of sneaky background processes that may need another review.
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NHT  
#7 Posted : Friday, February 2, 2018 4:01:09 PM(UTC)
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MackK1 wrote:
NHT wrote:
Have you looked at task manager/services to see what's running in the background?


I did. It was the only program using the card, besides one or two others. See attached image.

Image avaliable via link: Task Manager.png


Maybe try killing off each process that's using the GPU systematically and watching the render time?
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thanks 1 user thanked NHT for this useful post.
MackK1 on 2/2/2018(UTC)
MackK1  
#8 Posted : Friday, February 2, 2018 4:19:13 PM(UTC)
MackK1

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NHT wrote:
MackK1 wrote:
NHT wrote:
Have you looked at task manager/services to see what's running in the background?


I did. It was the only program using the card, besides one or two others. See attached image.

Image avaliable via link: Task Manager.png


Maybe try killing off each process that's using the GPU systematically and watching the render time?


I did, I figured out which one it was. Thanks. Remote Access didn't look like it was the cause at first, but I killed it and it went down to a 4 ms render time.
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NHT  
#9 Posted : Friday, February 2, 2018 4:23:26 PM(UTC)
NHT

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MackK1 wrote:
NHT wrote:
MackK1 wrote:
NHT wrote:
Have you looked at task manager/services to see what's running in the background?


I did. It was the only program using the card, besides one or two others. See attached image.

Image avaliable via link: Task Manager.png


Maybe try killing off each process that's using the GPU systematically and watching the render time?


I did, I figured out which one it was. Thanks. Remote Access didn't look like it was the cause at first, but I killed it and it went down to a 4 ms render time.


Excellent, glad you got it sorted.
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