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SLI issue

And how many developers are going to bother adding SLI to DX12 games that only £2800 worth of GPU support?

As soon as Nvidia dropped support for SLI in their own drivers, it was doomed.
 
extrememachine said:
So got my second 3090 and sli does not seem to be giving me any fps increase.
Any ideas?
Click to expand...

The games listed in Green will work for now till more new games get mgpu support. SLI profiles don't work on 3090s and SLI new profiles have been dropped from Jan 2021 for all cards, support now comes from game or application makers. I have 3090s in sli/nvlink too and I use them for work too and the games below that support it for now. I think we need to kick Nvidia in the rear and at least get them to add the sli profiles back for 3090s and allow us at least to use the old profiles on the older games that supported sli for now, yes there will be no more new profiles but then at least we could use nvidia inspector and create our own profiles for now.


https://nvidia.custhelp.com/app/ans...ort-transitioning-to-native-game-integrations



NVIDIA SLI Support Transitioning to Native Game Integrations
Updated 09/17/2020 12:31 PM
NVIDIA SLI Support Transitioning to Native Game Integrations

With the emergence of low level graphics APIs such as DirectX 12 and Vulkan, game developers are able to implement SLI support natively within the game itself instead of relying upon a SLI driver profile. The expertise of the game developer within their own code allows them to achieve the best possible performance from multiple GPUs. As a result, NVIDIA will no longer be adding new SLI driver profiles on RTX 20 Series and earlier GPUs starting on January 1st, 2021. Instead, we will focus efforts on supporting developers to implement SLI natively inside the games. We believe this will provide the best performance for SLI users.

Existing SLI driver profiles will continue to be tested and maintained for SLI-ready RTX 20 Series and earlier GPUs.

For GeForce RTX 3090 and future SLI-capable GPUs, SLI will only be supported when implemented natively within the game.

What DirectX 12 games support SLI natively within the game?

DirectX 12 titles include Shadow of the Tomb Raider, Civilization VI, Sniper Elite 4, Gears of War 4, Ashes of the Singularity: Escalation, Strange Brigade, Rise of the Tomb Raider, Zombie Army 4: Dead War, Hitman, Deus Ex: Mankind Divided, Battlefield 1, and Halo Wars 2.

What Vulkan games support SLI natively within the game?

Vulkan titles include Red Dead Redemption 2, Quake 2 RTX, Ashes of the Singularity: Escalation, Strange Brigade, and Zombie Army 4: Dead War

How about creative and other non-gaming applications -- will those still support multiple GPUs?

Yes, many creative and other non-gaming applications support multi-GPU performance scaling without the use of SLI driver profiles. These apps will continue to work across all currently supported GPUs as it does today.
 
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Thanks for the replies, esp the comprehensive ones.
I recently chatted to nvidia and adjusted some control panel settings.
Am getting a lot of frames in crysis 3 now for example. need to try out more games, some better than others I presume.
 
The single biggest disappointment of my gaming "career" was when I tried to run 2x 390X in crossfire. I was so excited but it was complete nightmare and a bitter disappointment. Kudos to OCUK who let me return, exchange and refund the difference to get a Fury X instead at the time.
 
extrememachine said:
Thanks for the replies, esp the comprehensive ones.
I recently chatted to nvidia and adjusted some control panel settings.
Am getting a lot of frames in crysis 3 now for example. need to try out more games, some better than others I presume.
Click to expand...
Let us know how you are getting on and what settings Nvidia mentioned that helped to use the second card more for games.

Hope they didn't say disable SLI as SLI on with no support for some games will reduce performance.

I'm sure there will be a way to enable old sli profiles in the driver, but I have not got round to checking how to do it yet or any hacked drivers to bring back SLI profiles and use them on 3090s.
 
Wow, what frame rates are you aiming for that requires two 3090's?

Love to see them in play with MS2020 or Xplane 11 running Vulcan if you can share the FPS you are getting at 2k?
 
extrememachine said:
I might post a video of it.
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Thanks buddy, it's the only games a really care for whilst aiming for that magic consistent 60fps.

I have a lowly 2070super, and it's only by virtue I have freesync working with Gsync I can play Xplane 11. MS2020 is just pointless at 30fps average, and massive stuttering
 
Lmg80 said:
Wow, what frame rates are you aiming for that requires two 3090's?

Love to see them in play with MS2020 or Xplane 11 running Vulcan if you can share the FPS you are getting at 2k?
Click to expand...

MSFS I'm not sure about, but that's DirectX11 so would need a SLI profile, so probably wouldn't work. And X-Plane I can stop you right there, it absolutely doesn't support multi-GPU, not in OpenGL and not in Vulkan.
 
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