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  1. #1
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    Question Cycles GPU rendering to use system memory if runs out of VRam?

    Hi

    Was just wondering if cycles will ever switch to using system ram if gpu vram runs out. NVidia iRay does this. Obviously it will be slower but slower is better than stopping.

    Cheers



  2. #2
    Member mib2berlin's Avatar
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    Hi, there is a patch already for using max. 50% system ram during render on GPU.
    Was about 10% slower than VRAM but was working fine on my cards.
    That patch was probably forgotten.

    Cheers, mib
    OpenSUSE Leap 42.1/64 i5-3570K 16 GB Blender 2.7 Octane 3.03
    GTX 760 4 GB, GTX 670 2 GB Driver 375.26 | Blender for Octane



  3. #3
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    That's interesting, do you have a link?



  4. #4
    Member mib2berlin's Avatar
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    Yup:

    https://developer.blender.org/D2056

    I will ask Blender core developer what happen with the patch and/or it is any chance to get it back to development.

    Cheers, mib
    OpenSUSE Leap 42.1/64 i5-3570K 16 GB Blender 2.7 Octane 3.03
    GTX 760 4 GB, GTX 670 2 GB Driver 375.26 | Blender for Octane



  5. #5
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    Thanks. An interesting read. Hope the devs look at adding it.



  6. #6
    What's the current status regarding this?



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