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GTX vs Quadro w/ Decklink Quad 2 Build

Discuss graphics hardware, computer hardware, and input/output devices to use with TouchDesigner

Re: GTX vs Quadro w/ Decklink Quad 2 Build

Postby malcolm » Tue May 15, 2018 8:23 pm

You can see it if you middle click on any TOP. Also Windows 10's task manager has GPU reporting tools as well.
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Re: GTX vs Quadro w/ Decklink Quad 2 Build

Postby priam » Wed May 16, 2018 10:52 am

Hi Malcolm,

OK that what I had in mind, I didn’t miss anything then, will do that for now, best, P
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Re: GTX vs Quadro w/ Decklink Quad 2 Build

Postby priam » Wed May 16, 2018 12:58 pm

TD_GPUbicycle.png
GPU stats
TD_GPUbicycle.png (51.58 KiB) Viewed 97 times
TD_GPUbicycle.png
GPU stats
TD_GPUbicycle.png (51.58 KiB) Viewed 97 times
Hi Malcolm,

So here is a sum up view:
A - The more i reduce the number of points to show with my shader (it takes points from a few TOPs in .exr formats and displays them in 3D, position and color are store in the .exrs), the more fps I get, with 16million I am OK. In editor mode TD says 90fps.
I attached pics
B - The GPU of the card isnt that full (less than half) see pic of Win10 Task Manager, also see GPU 3D at 98%
C - The openVR TOPs it seems are taking all the resources see pic of Perf Monitor
So it's weird, I am thinking my shader might need a faster card? It renders all points if I let it but very slowly, the ram isnt full but as i said more points make it slower.
OR I need to update / check my VIVE Open VR network.
Maybe the card needs bigger internal "buses", or RAM transfer speeds? No idea, that's why I wonder which:
Quadro or Titan?
Best!, P
Attachments
TD_Perf_bicycle.png
TD_Perf_bicycle.png (344.26 KiB) Viewed 97 times
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Re: GTX vs Quadro w/ Decklink Quad 2 Build

Postby malcolm » Wed May 16, 2018 1:04 pm

GPU at 98% means the GPU itself is overworked. It's not a RAM or transfer speed issue. So you need something with more cores/faster cores
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Re: GTX vs Quadro w/ Decklink Quad 2 Build

Postby priam » Sat May 19, 2018 5:03 pm

Thanks Malcolm,

Let me ask this then: how is it that TD is going to offload more calculations to the CPU?
Is it automatic somehow? Does this mean that a bigger GPU is not going to help? It's just that the less points I display the better my framerate goes, and that is pretty linearly verifiable, best! P
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