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Iray preview works fine with GPU, but when I render the scene it falls back to CPU

evilcho_evilcho_ Posts: 79
edited June 2020 in Technical Help (nuts n bolts)

[Iray preview works fine with GPU, but when I render the scene it falls back to CPU] Anyone know what is up with that and if anyone has experienced this before?

In the log it says it ran out of memory during Optix Prime but how come it worked fine in the iray preview then?

Post edited by Richard Haseltine on

Comments

  • kenshaw011267kenshaw011267 Posts: 3,805

    The preview has its own settings distinct from the iRay render settings. That is why.

     

  • evilcho_evilcho_ Posts: 79
    kenshaw011267 said:

    The preview has its own settings distinct from the iRay render settings. That is why.

     

    Okay and how come I rendered the same scene before and didn't run out of memory, but now I run out of memory? The only thing changed in the scene was the rotation of the dome and a few deleted things (nothing new added).

  • Richard HaseltineRichard Haseltine Posts: 100,778

    Same version of DS?

  • evilcho_evilcho_ Posts: 79
    Richard Haseltine said:

    Same version of DS?

    Yes. 4.12.1. The scene has 4 characters only so it's hard to render, but it did render before.

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