You know what happens, I don't have RTX cards yet. And they talk of RTX having a Raytracing frame rate in games of 60 FPS, and then GTX cards would be more like 20 to 10 FPS...Goldorak wrote:First, We don't use DXR to get RT core HW support, so DXR on Pascal doesn't change anything, nor do we need it since we have the CUDA fallback that is even faster. Second, of course the RTX on mode is the real render, not some guess - try the standalone preview RTX build and test it yourself with the benchmark scenes. It will render in with the 2-4x the M/spp and finish the render in 2x to 4x faster.Notiusweb wrote:
On my rig I now have Titan Xp and Titan Pascal as my Mobo cards, which are both DXR enabled with the new driver, and now I myself am yes running Raytracing on Unreal (only off of my Titan Xp).
Which made me wonder if this setup would run the Octasne Bench 19 with the 'RTX-on'....
But it does not....
Which made me wonder if Octane Bench is only applying RTX speed boost to cards which are semantically called "RTX" as opposed to those which are registering as DXR.
Because, DXR is the tech, the RT cores are just a high level spec for the tech.
And so...this all made me wonder if Bench 19 is truly measuring the RTX boost at all, and is rather only making some calculated approximation of what RTX *could* do once actualized.
so but in Octane, that would be insane having 10 frames per second.
Now, in practice, myself with just Pascal, I see with the DXR 'on' in Unreal it has real-time reflections, and they are like instantaneous. Now shadows are pixelated and then render out, much like Octane. But bright lit scenes move around very smoothly. It really scalds the GPU temps.
So, I just wonder why Octane using DXR couldn't have this instant reflection tech as part of the render capability. I understand that Octane is accessing boosted speed from RT cores, but why wouldn't this other real-time tech be exploited, you know?
And I love Octane for the features, and the speed. And Octane is super mega fast....just I imagine it having this instant reflectiveness also.
I am a complete novice with this stuff, I know nothing....Is it you have to pick CUDA or DXR, you can't have one used with the other? Is that what it is, you can use the power of RT cores, but DXR and CUDA don't mix?