[Bf-cycles] CUDA Toolkit 6.5 and Volume on GPU

[Daniel Salazar - patazstudio.com]

Please getting volumetrics and SSS in GPU would be amazing! This two
things are becoming essential for me (spoiled artist), meaning I
rarely have the chance to render in GPU anymore.
Daniel Salazar
patazstudio.com


On Thu, Aug 21, 2014 at 4:34 PM, David Fenner <d4vidfenner at gmail.com> wrote:
> both proposals seem more than welcome!
>
>
> 2014-08-21 17:54 GMT-04:00 Thomas Dinges <blender at dingto.org>:
>
>> Hi everyone,
>> NVIDIA just released the CUDA Toolkit 6.5:
>> https://developer.nvidia.com/cuda-toolkit
>>
>> I recommend an update for 2 reasons:
>> 1) It improves rendering performance.
>> 2) It now supports Visual Studio 2013, so no other VS or SDK
>> installations are needed anymore on Windows.
>>
>> I ran some benchmarks on Windows 7 x64, with a Geforce 540M (sm_21),
>> master 2e5e1e2.
>> - cornell_box.blend (256x256 Tiles, 100 Samples)
>> - bmw.blend (128x128 Tiles, 100 Samples)
>>
>> 1) Master (Vanilla) with Toolkit 6.0
>> - cornell: 57.47s
>> - bmw: 1:53.63min
>>
>> 2) Master (Vanilla) with Toolkit 6.5
>> - cornell: 54.10s
>> - bmw: 1:50.10min
>>
>> 3) Master (with __VOLUME__) with Toolkit 6.5
>> - cornell: 56.15s
>> - bmw: 1:52.51min
>>
>> 4) Master (with __VOLUME__ and __VOLUME_SCATTER__) with Toolkit 6.5
>> - cornell: 56.99s
>> - bmw: 1:54.37min
>>
>> I think we have 2 choices after the CUDA Toolkit upgrade:
>> 1) Keep feature set as is, benefit from better performance
>> 2) Enable Volume (and Volume Scatter) on GPU, performance stays roughly
>> the same
>>
>> Best regards,
>> Thomas
>>
>>
>>
>>
>> _______________________________________________
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>> Bf-cycles at blender.org
>> http://lists.blender.org/mailman/listinfo/bf-cycles
>
>
>
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