[Soc-2014-dev] Weekly Report #3 Cycles

[Sergey Sharybin]

Saw the patch in the tracker. Will review it tomorrow.


On Sat, Jun 7, 2014 at 3:06 AM, Thomas Dinges <blender at dingto.org> wrote:

> Hey,
> here my report for the third week on Cycles optimizations:
>
> http://wiki.blender.org/index.php/User:DingTo/GSoC_2014/Weekly_Reports/Week3
>
> Best regards,
> Thomas
>
> == What I did this week ==
> * I could speed up scenes without transparent shaders a bit, gives 3-4%
> improvement. This has been committed to Master already. (14be4b506ac8)
>
> * I added 2 nodes to combine/separate vectors. This was on the official
> Cycles ToDo list, as the current workflow with RGB nodes seems a bit
> weird. (6a808b2b0bc4)
>
> * Spend the majority of this week on research and coding of a QBVH in
> Cycles. https://developer.blender.org/D579 Committed WIP code to my
> branch. (590aae22a6cb) It helps in simpler scenes already (~7%), but is
> slower in more complex ones. I read Embree code, and I think we can use
> their Quad BVH code in Cycles. I still need some time to understand it
> well, but I think I can start porting code over from Embree step by step.
>
> * Submitted initial code for the uchar3 attribute support in Cycles:
> https://developer.blender.org/D580
>
> == Next week ==
> Continue with uchar3 support and QBVH.
>
> == Questions ==
> None.
>
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>



-- 
With best regards, Sergey Sharybin
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