[Bf-committers] GSoC 2018 BVH8

[Brecht Van Lommel]

Hi Anton,

We're planning to move to Embree, so improving our existing BVH builder and
traversal is not the best use of time.
https://lists.blender.org/pipermail/bf-committers/2017-November/048936.html

However a lot of work is still needed to get the Embree integration stable,
and I imagine whatever the state will be this summer, there will be a lot
room for improvement. Finding optimizations in the integration, memory
usage reductions, etc. Some of the bigger topics would be:
* Use Embree for building the GPU BVH, so we can remove our own builder.
* For subdivision surfaces, implement more memory efficient grid primitive
to intersect directly.
* Optimizations for tracing short rays on a single object for subsurface
scattering, bevel, curvature.

Stefan, do you have an idea about which tasks will be open still this
summer?

Regards,
Brecht.

On Sun, Jan 28, 2018 at 11:07 PM, Антон Гавриков <
gavrikovantonkapi at gmail.com> wrote:

> Hello, I worked on this (https://developer.blender.org/D2875) project as a
> summer intern in Intel. I would like to know if there is any interest in
> working on this project in GSoC 2018. Or maybe there are any similar tasks
> to optimize Cycles for new architectures.
>
> Regards,
>
> Anton.
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