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Performance Issues

leo04leo04 Posts: 342
edited September 2016 in Technical Help (nuts n bolts)

I am having performance issues. I start to render my scene and it seems to take forever, hour and hour and hours.

I have a pretty new PC

What do I need to do to enhance the processing speed? Any help would be appreciated.

 

Thanks.

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Post edited by leo04 on

Comments

  • PetercatPetercat Posts: 2,321
    edited September 2016

    Are you rendering with iray or 3DL?

    For iray, it looks like you might need an add-on video card. Do you have one? The 980ti is nice.

    Look for an Nvidia with the most memory and number of CUDA cores that you can afford. Newegg is a good place to purchase from.

    Post edited by Petercat on
  • leo04leo04 Posts: 342

    Rendering in Iray.

    My PC specs:

    Operating System
        Windows 10 Pro 64-bit
    CPU
        Intel Core i7 5820K @ 3.30GHz    33 °C
        Haswell-E/EP 22nm Technology
    RAM
        32.0GB Unknown @ 1066MHz (15-15-15-36)
    Motherboard
        MSI X99A SLI PLUS(MS-7885) (SOCKET 0)    32 °C
    Graphics
        HP W2072a (1600x900@60Hz)
        HP W2072a (1600x900@60Hz)
        HP S2031 (1600x900@60Hz)
        HP S2031 (1600x900@60Hz)
        4095MB NVIDIA GeForce GTX 980 (MSI)    32 °C
    Storage
        232GB Samsung SSD 850 EVO 250GB (SSD)    34 °C
        1863GB TOSHIBA DT01ACA200 (SATA)    30 °C
    Optical Drives
        HL-DT-ST DVDRAM GH24NSC0
    Audio
        Realtek High Definition Audio

    Thank you for your reply.

  • TottallouTottallou Posts: 555

    It is possible that your scene takes up more than the 4GB of the 980 so the render is being done by your CPU which usually takes a long time

    You can look in the Daz log files to see what was used for the render: help - troubleshooting - view log file

    Try to render a single figure at default settings as that should complete in seconds & will confirm the 980 is working

    If it's a lack of GPU memory causing your problem  then here are a couple of things that I find help

    - Textures take up a lot of GPU memory, Many are 4000 x 4000 so depending on what you are rendering you can use photoshop or gimp to reduce the sizes - You can maybe remove normal/bump maps for areas of the scene that don't need as much detail.

    - High level of Sub D that is not needed if the image is not showing a close up of that item.

     

     

     

     

     

     

  • kaotkblisskaotkbliss Posts: 2,914

    It also depends on what is in your scene for example, lots of reflections, emmissive lighting and translucency/transparency will increate render times - sometimes dramatically.

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