SLI editing for NVIDIA GPU's

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0noobishguy101

0noobishguy101

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Mar 30, 2018
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Is there a way for me to edit how SLI is recognized to the point where it is counted as 1 gpu? What I'm thinking is like 2 titan xp's in SLI would be recognized as a different gpu with 24 gigs of vram and twice or so the original power of just one. Idk if this would be bios related or what, but at that point, SLI would be supported by ALL games because the 2 graphics cards would then be recognized as one.. tbh it'd probably be called (for a reference) "titan xp sli" or "titan xp x2" as opposed to just "titan xp" or something like that..
 
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InvalidError
Stitching together two GPUs requires exhaustive driver engineering to manage what data and commands need to go where, which is why SLI and CrossFire rarely scale particularly well past two GPUs even in titles that are supposed to be optimized for it, which is why both AMD and Nvidia have given up on supporting it beyond two GPUs and aren't even promoting dual GPUs all that much anymore. I wouldn't be surprised if they both dropped driver-level multi-GPU support within the next two product generations.

DX12 has provisions for Explicit Multiple Graphics Adapters and if game developers want to support multi-GPUs, their best option going forward is to explicitly support that.
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InvalidError

InvalidError

Titan
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May 18, 2007
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Stitching together two GPUs requires exhaustive driver engineering to manage what data and commands need to go where, which is why SLI and CrossFire rarely scale particularly well past two GPUs even in titles that are supposed to be optimized for it, which is why both AMD and Nvidia have given up on supporting it beyond two GPUs and aren't even promoting dual GPUs all that much anymore. I wouldn't be surprised if they both dropped driver-level multi-GPU support within the next two product generations.

DX12 has provisions for Explicit Multiple Graphics Adapters and if game developers want to support multi-GPUs, their best option going forward is to explicitly support that.
 
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Rogue Leader

Rogue Leader

It's a trap!
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Dec 22, 2014
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If it were that simple it would be integrated into the Nvidia drivers already.

What you are asking for is a simple solution to a complicated problem that even the developers of the hardware don't have the solution for. I hate to stifle innovation, but you are completely out of your depth here.
 
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InvalidError

InvalidError

Titan
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May 18, 2007
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Nvidia has a hundred or so highly skilled programmers with direct access to the ASIC designers who put the chip together to help them produce the best drivers they can. You stand no chance in hell to ever develop competing drivers in your lifetime with no access whatsoever to the ASIC design team and full internal specs.
 
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popatim

popatim

Titan
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Dec 2, 2009
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Is it possible? - Yes but you will have years of learning and coding to do before you can even write drivers for a single GPU much less SLI and by then, SLI won't even be possible, mainly due to DX12.

IMO, if you are going to spend years learning coding and hardware, learn for the future, like quantum computing
 
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Rogue Leader

Rogue Leader

It's a trap!
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Dec 22, 2014
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Sure, go to college, get at least a BS in Computer Science, Electrical Engineering, or Computer Engineering, get a job in the industry, work your way into a job at Nvidia, spend YEARS working with the driver team and engineers there, and then sure. I'd recommend a Masters though just in case.
 
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