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I just discovered something about GPU rendering you might not know...

Tako YakidaTako Yakida Posts: 548
edited October 2021 in Daz Studio Discussion

And if you do know this already, good on you. I had been struggling with this issue for about a year, but today thought I would search newly for a solution. Turns out it's not really an issue after all.

For those of you who don't know this, this might come as a relief, or a shock that it was so obvious.

Without further ado....

I have discovered that while it appeared that my GPU was being barely utilized during a GPU render, with percentages in the task manager under 5%, it was actually the CUDA cores that were being utilized and were indeed almost 100% utilized.

There is a drop down in the 3D section of the task manager. Select CUDA and voila, you can see how much your render is actually using. Hope this helps clear up some confusion for some people here.

GPU_Usage.JPG
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Post edited by Tako Yakida on

Comments

  • elidaman198elidaman198 Posts: 107

    and the solution to make sure gpu being used how does one verify that?

  • WendyLuvsCatzWendyLuvsCatz Posts: 38,208

    install GPU-Z

  • DrunkMonkeyProductionsDrunkMonkeyProductions Posts: 984

    WendyLuvsCatz said:

    install GPU-Z

    Nvidia-SMI.

    It's a command line tool, but comes with the driver package of nvidia cards(mostly).

    Gpu-z, while a good tool, has a tendency to not report correct information(neither does Taskmanager) in certain situations, such as mixed gpus.

    Nvidia-smi  --loop=3.

     

  • alexhcowleyalexhcowley Posts: 2,386

    MSI Afterburner also gives you accurate readings.

    Cheers,

    Alex.

  • PerttiAPerttiA Posts: 10,024

    elidaman198 said:

    and the solution to make sure gpu being used how does one verify that?

    Checking the Log (Help->Troubleshooting->View Log File), if one pins the log to the taskbar, it can easily be opened whenever. 

  • FishtalesFishtales Posts: 6,119

    elidaman198 said:

    and the solution to make sure gpu being used how does one verify that?

     When you start the render watch the progress window, the small one that pops up, and it willl say if it is using CPU to render.

  • MattymanxMattymanx Posts: 6,905

    If you want to monitor your hardware, I recommend one of the two tools

     

    HWMonitor:

    https://www.cpuid.com/softwares/hwmonitor.html

     

    Open Hardware Monitor:

    https://openhardwaremonitor.org/

     

  • kyoto kidkyoto kid Posts: 41,044

    alexhcowley said:

    MSI Afterburner also gives you accurate readings.

    Cheers,

    Alex.

    ...I prefer it as it also allows you to adjust the card's fan speeds. 

  • JVRendererJVRenderer Posts: 661

    I always have GPU-Z and MSI afterburner on.

    GPU-z to monitor my GPU temps and VRAM temps as well as Power usage.
    MSI afterburner for undervolting my GPU as well as fan speed control on my GPU

  • takezo_3001takezo_3001 Posts: 1,974

    Also to note that for win 10 21h1 users instead of Cuda it simply says 3D...

  • RSand55RSand55 Posts: 158

    takezo_3001 said:

    Also to note that for win 10 21h1 users instead of Cuda it simply says 3D...

     

    In Task Manager?

  • charlescharles Posts: 846

    takezo_3001 said:

    Also to note that for win 10 21h1 users instead of Cuda it simply says 3D...

     There is a down arrow tab you can click on to switch it to Cuda report.

     

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