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Thread: [Phoronix] NVIDIA Demonstrates Porting Of DirectX Ray-Tracing To Vulkan Reply to Thread
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  Topic Review (Newest First)
03-10-2020 02:02 AM
Torvi during both tests i had my gpu running at 90-100% im playing division in 1440p almost all on max, my screen is 75hz. I will provide proper benchmarks today after i come back from work.
03-09-2020 10:31 PM
Liranan
Quote: Originally Posted by Torvi View Post
the more reasons to use vulkan, the better.

i absolutely hate dx12, real world example:

Division 2 ran on dx11
+85 core
+600 mem
On my 1660ti and fully stable

Division 2 ran on dx12
had to lower core to 55
and mem to 400
In order to reach stability.

Same story with forza horizon 4, abyssymal performance with overclock applied.
You haven't provided any performance numbers as DX12 performs better than DX11 at stock, and thus you are just looking at arbitrary numbers rather than at the result.
03-09-2020 05:44 PM
skupples
Quote: Originally Posted by Shadowarez View Post
Wasn't DX12 supposed bring Mgpu back unless I read it all wrong thought it was supposed to support duel+ GPUs better and make it so the Devs didn't have do the work to add it into games.
you did not read wrong. it was most definitely a hype point made by MS many times during the vaporware days.

Quote: Originally Posted by Asmodian View Post
You blame the software for an unstable overclock?

DX12 uses more of the silicon so it makes sense you could get worse max overclocks using it, but that would be true with any new API. That is the point of the new APIs. I am all for Vulkan over DX12 but this simply cannot be a reason for that preference. Vulkan is also very likely to have a lower max OC with the same title compared to DX11 (unlikely anyone would actually do that), it can use more of the silicon too.
i read the same complaints from other folks on the low end of the hardware spectrum, which doesn't make sense. In the titles where vulkan exists, it runs better, on my 2080ti. though admittedly, I haven't hopped into many titles where its the secondary option. (IE: Like DX12 is the secondary option in BL3, and is thus more unstable. or at least was.)

either way, in RDR2? Vulkan was much more stable. it also has decent MGPU support for that specific title.
03-09-2020 10:06 AM
Asmodian
Quote: Originally Posted by Torvi View Post
the more reasons to use vulkan, the better.

i absolutely hate dx12, real world example:

Division 2 ran on dx11
+85 core
+600 mem
On my 1660ti and fully stable

Division 2 ran on dx12
had to lower core to 55
and mem to 400
In order to reach stability.

Same story with forza horizon 4, abyssymal performance with overclock applied.
You blame the software for an unstable overclock?

DX12 uses more of the silicon so it makes sense you could get worse max overclocks using it, but that would be true with any new API. That is the point of the new APIs. I am all for Vulkan over DX12 but this simply cannot be a reason for that preference. Vulkan is also very likely to have a lower max OC with the same title compared to DX11 (unlikely anyone would actually do that), it can use more of the silicon too.
03-08-2020 10:49 PM
Torvi the more reasons to use vulkan, the better.

i absolutely hate dx12, real world example:

Division 2 ran on dx11
+85 core
+600 mem
On my 1660ti and fully stable

Division 2 ran on dx12
had to lower core to 55
and mem to 400
In order to reach stability.

Same story with forza horizon 4, abyssymal performance with overclock applied.
03-08-2020 10:14 PM
WannaBeOCer
Quote: Originally Posted by Liranan View Post
Is this open source or are nVidia going to charge for this? I worry that nVidia intend to take charge of this and then lock AMD and Intel out.
VKRay is currently hardware agnostic: https://www.khronos.org/registry/vul...y_tracing.html

The future implementation will be using VKRay as a draft. I'm sure they'll work with all the other GPU manufacturers(including mobile) before they release the official extension.

Quote: Originally Posted by Shadowarez View Post
Wasn't DX12 supposed bring Mgpu back unless I read it all wrong thought it was supposed to support duel+ GPUs better and make it so the Devs didn't have do the work to add it into games.
The purpose of DX12 and Vulkan mGPU was to place the work on the developer instead of having the driver do all the work with crossfire/sli profiles. It's the reason why AMD completely dropped Crossfire support with Navi.
03-08-2020 08:44 PM
Shadowarez Wasn't DX12 supposed bring Mgpu back unless I read it all wrong thought it was supposed to support duel+ GPUs better and make it so the Devs didn't have do the work to add it into games.
03-08-2020 05:24 AM
Liranan
Quote: Originally Posted by WannaBeOCer View Post
Khronos Group already stated they're going to be using nVidia's VKRay as their default template.
Is this open source or are nVidia going to charge for this? I worry that nVidia intend to take charge of this and then lock AMD and Intel out.

Quote: Originally Posted by skupples View Post
dead cuz of DX12? it's been dead for most of DX11!
DX12 is Vulkan.
03-04-2020 10:08 AM
WannaBeOCer
Quote: Originally Posted by t00sl0w View Post
Wonder if vulkan based ray tracing would run any better than dxr?
Wolfenstein Youngblood uses nVidia's VKRay.
03-04-2020 09:56 AM
t00sl0w Wonder if vulkan based ray tracing would run any better than dxr?
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