vrayRT on 16+cards? How many cards are supported?

[Dariusz Makowski (Dadal)]

There is a render engine that can pull it off but you are looking at £35k a license. U would need around 5 licenses and 1 PC would run u at £5k+ or 15 if u can get to the top end of enterprise cpus... Other than that stick to vray

[super gnu]

what is this magic render engine of which you speak ?!

[losbellos73]

Well I have been in the rendering business 25 years, and apart from the house big silicon graphics cheap looking results nothing were really real-time, unless you think battlefield 3 is real time rendering

If you talk about that real time renderer which renders a boing 777 realtime on a laptop,... well that is far far too. Octane is an alternative but it doesn't do displacement sss and so on.

so tell us... what you are talking about please.

[losbellos73]

50K$ is ok... xD but not more than this!

[3LP]

If I were you, I would stick with 50 Titans and live with the fact of waiting 2 seconds more...
I can't imagine the speed of 50 Titan actually, it has to be mind blowing tbh.

Could you tell us what is your rendertime and on which GPU for your bench scene?
After that, we could make a fair comparison with a Titan and then divided by 50...

Stan

[losbellos73]

3Pl I used the bench data on the vrayRT forum... It just slow. If you think on that you will see what I am talking about... The interior scene wouldn't clear up enough not even with 50 titan cards in 1 minute to call it a final render...

4 cards does it in 30 sec.
it needs at least 20 times 30 sec to have the final result (see how noisy it is)
that is 600 secs.
50 cards does it in 12.5 times less times, because it is 12.5 times more card.
its 48 seconds...
Considering the resolution ect. It wont be done in a minute...
And most importantly this scene is not so heavy to render... there are no objects with many glossy reflection and refraction...
So Its problematic a bit...
It would be much better if VrayRT would be able to do lightcahce+bruteforce, or photon map and brute force... or irradiance cache. The path tracing could be kept for fast preview only.