I noticed that vray RT 3.20.02 is quite a bit slower than Octane using full Pathtracing, or Brute Force + Brute Force. It’s nice that Lightcache is faster but I tend to get certain issues with it, flickering in GI. Plus I can animate and render moving objects with just BR+BR with out shadow or GI f…

Here are to very simple examples, you can see the noise difference, and Vray looks to have incorrect light leakage in left upper ceiling. Both rendered at 2min 20sec. Now with detailed geometry, materials, and textures the gap widens quite a bit more. [Octane 2min20sec.jpg] [Vray 2min20sec.jpg] …

Great, thanks for the scene. I will forward that to the support for test and they will update you when we have something.

Sounds good, thanks a lot bud! Like I said with more complicated scenes Octane starts really walking away with it. Also have the team look into why Lights are much much more noisy in renders in vray, with highlights on surfaces and such. something is really weird there. Looking forward to what t…

Also what does NVidia’s QMC sampling do for RT, I haven’t noticed a speedup at all if it’s included in the latest version 3.20.02.

your test scene is missing the ies file.

[image] There was a fatal error building the scene for vray your test scene is missing the ies file. Holy Crap Balls! Sorry about that. Scene With IES.zip (637 KB)

Here are two more examples. vray 4min 7sec, octane 4min 4sec. Another thing is Octane is much smoother to work with, vray seems a little clunky with updating scene and stuff. Octane also renders scene evenly where vray renders from the center out for some reason which is a real pain, especially when…

Thanks for the shot. Can you please send us a scene for that too at support@chaosgroup.com with link to this thread ? We would like to test that with different V-Ray settings and LC too. Is this the same scene you were get LC flickering ? As for the update - V-Ray does not store the frame buffer on…

This scene I got Flickering with LC, for just test animation, not final renders. But I do notice there are area like around the ceiling spot lights that have light spots around them. do you think a GI clamp would help RT clean up the renders quicker, it does wonders for Octane.

[image] wysiwyg procedural map This scene I got Flickering with LC, for just test animation, not final renders. But I do notice there are area like around the ceiling spot lights that have light spots around them. do you think a GI clamp would help RT clean up the renders quicker, it does wonde…

Rendering Speed

V-Ray GPU V-Ray GPU :: General

Donfarese June 11, 2015, 3:17am 11

Holy Crap Balls! Sorry about that.
Scene With IES.zip (637 KB)

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Rendering Speed

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