Search found 24 matches

by straaljager
Wed Oct 02, 2019 7:32 pm
Forum: Lighthouse 2
Topic: Linux?
Replies: 15
Views: 657

Re: Linux?

Awesome! We'll give this a try once we receive RTX cards at work.
by straaljager
Sun Sep 22, 2019 9:23 am
Forum: Lighthouse 2
Topic: Noise filtering
Replies: 1
Views: 128

Noise filtering

I was wondering if Lighthouse 2 has a noise filter, similar to the OptiX RTX demo posted at https://ompf2.com/viewtopic.php?f=8&t=2158

The code contains a reference to the multiphase SVGF noise filter in finalized_shared.cu, however I could not find a way to enable it.
by straaljager
Tue Sep 17, 2019 6:58 pm
Forum: Lighthouse 2
Topic: Linux?
Replies: 15
Views: 657

Re: Linux?

Thanks! Looking forward to an updated version :)
by straaljager
Sun Sep 15, 2019 11:03 am
Forum: Lighthouse 2
Topic: Linux?
Replies: 15
Views: 657

Re: Linux?

After some testing, I found that Lighthouse 2 can currently load about 1400 (37x37) instances of a dragon and about 2000 instances of the lego car model. If I go higher than that, a cudaMemcopy() fatal error occurs. https://i.postimg.cc/NMCVXFTg/lighthouse2-instanced-dragons.png https://i.postimg.cc...
by straaljager
Tue Sep 10, 2019 2:06 pm
Forum: Lighthouse 2
Topic: Optix7 core added
Replies: 4
Views: 249

Re: Optix7 core added

Thanks! That's very encouraging to hear. So Lighthouse is the way to go then :)
by straaljager
Tue Sep 10, 2019 9:26 am
Forum: Lighthouse 2
Topic: Optix7 core added
Replies: 4
Views: 249

Re: Optix7 core added

A new core has been added to support the recently released Optix7 SDK. The API for Optix 7 has changed a lot since 6, so a lot changed in the core as well. Good news is that Optix 7 is a lot cleaner and provides much more low-level control over acceleration structure construction and ray traversal,...
by straaljager
Sat Sep 07, 2019 12:10 pm
Forum: Lighthouse 2
Topic: Linux?
Replies: 15
Views: 657

Re: Linux?

If you have complex materials, etc... I would not expect an 8 GPU RTX to give substantially better perf than a 16 GPU Volta machine. I'd actually expect about equal. If most of the work you're doing is tracing rays, and you have only triangles to intersect, then yeah, it might outperform the Volta ...
by straaljager
Fri Sep 06, 2019 3:15 pm
Forum: Lighthouse 2
Topic: Linux?
Replies: 15
Views: 657

Re: Linux?

If each particle can be represented by a single primitive, 4G is definitely more than enough. And 65K individual instances/meshes should also suffice for our real-time use case (although we have exceeded that number with Ospray/Embree, but those engines are not exactly optimised for real-time).
by straaljager
Fri Sep 06, 2019 1:44 pm
Forum: Lighthouse 2
Topic: Linux?
Replies: 15
Views: 657

Re: Linux?

Cool, looking forward to see that. Rigid animation should be enough for now. The aim is to animate lots of particles and molecules, but also streamlines to visualize the paths of the particles. Nvidia has implemented something similar in Paraview with RTX path tracing, but Paraview seems a bit too h...
by straaljager
Fri Sep 06, 2019 8:47 am
Forum: Lighthouse 2
Topic: Linux?
Replies: 15
Views: 657

Re: Linux?

Glad to see a new real-time path tracing engine after all those years :) We are also interested in a Linux version for real-time ray traced scientific visualization on a semicylindrical display wall (which measures 8x3 meters and is powered by eight 4K projectors). Lighthouse seems very interesting ...