[Bf-committers] End of CUDA support for older cards and 32 bit

Thomas Dinges blender at dingto.org
Sat Feb 17 15:16:36 CET 2018

Hi everyone,

a quick reminder that work on this has started. Cycles will stop 
supporting Fermi cards (sm 2.0 and 2.1) as well as 32 bit GPU rendering.

I'll update the buildbot in the next coming minutes, so the next builds 
won't come with Fermi and 32bit GPU rendering support anymore. 
Afterwards support for Fermi will be dropped in the code. Finally the 
Buildbot will be updated to CUDA 9.0, which enables us to support Nvidia 
Volta cards and also switch to a newer MSVC compiler version on Windows.

Best regards,


Am 22.01.2018 um 16:38 schrieb Brecht Van Lommel:
> Hi all,
> Cycles will soon stop supporting GPU rendering on NVIDIA graphics cards
> with compute capability 2.0 and 2.1. This includes the NVIDIA GTX 480 and
> 580, see here for a full list:
> https://developer.nvidia.com/cuda-gpus
> We have postponed this as long as practical, but now have to switch to CUDA
> 9 to support new graphics card generations. Unfortunately this new CUDA
> version also dropped support for older graphics cards.
> CUDA rendering will also no longer be available in 32 bit builds, due to
> parts of the new CUDA toolkit only working on 64 bit.
> For Blender 2.79a nothing will change yet, but afterwards the code,
> buildbot and further releases will be updated. Blender's viewport and
> Cycles CPU rendering will continue to work.
> Thanks,
> Brecht.
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