[Bf-committers] CUDA toolkit has been bumped for official builds

Aaron Carlisle carlisle.aaron00 at gmail.com
Wed Feb 17 22:04:11 CET 2016

What defines a card being "old"?

On Wed, Feb 17, 2016 at 9:37 AM, Sergey Sharybin <sergey.vfx at gmail.com>

> Hey,
> After dealing with some bug reports about major speed loss we decided it's
> better to scarify few percent of performance on an older cards and simpler
> scenes (varies a bit, but it's all within 5%) than have major speed loss on
> higher end cards and more production scenes (up to 30% easily).
> This means Cycles CUDA kernels can still be compiled with toolkit 6.5, but
> official builds will be done with toolkit 7.5.
> Dealing with 5% speed loss is easier than with 30% anyway, but honestly i
> don't think we'll have time for that before 2.77 release. Think we've got
> enough new features to compensate that :)
> --
> With best regards, Sergey Sharybin
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