I have been thinking what are the posibilitys of nvidia (also amd, but im just gonna talk about nvida for the sake of simplicity) creating a "sli 2" which can support 5,6,7, or 8 gpu's. I know that it sounds unnecessary and creating a motherboard with that much room is unrealistic. However this could be practical with dual gpu cards i.e gtx 590, 690 etc... I also understand that windows as of right now only supports 4 gpu's maximum but im sure softwatre could be modified or windows might change this in the future. Also this technology could be better for high end gpu computing. With this an extremely powerful supercomputer could be made for home or office use. 8 nvidia teslas' would be intense and ultra powerful for super computing. So as i digress, im asking what are the possibilitys of this happening; furthermore, i just want to know what u guys think of this?
Why in all gods sake would anyone need 5,6,7,or 8 gpus...that is just insane and anyone who has this idea should be locked away in a mental hospital for life...First of all you wont be able to fit that into a normal computer, you'd need a huge case, massive motherboard, massive power supply, a processor that doesnt exist at the moment...so lets just say that its never going to be needed.
They have this, I read it somewhere a few weeks ago, its based off an old OS that supports multi-CPU on one VM. Though, I do think it might be on more than one mobo.
Also, who needs a home supercomputer? Someone who wants to hack into something? You could just rent time on an amazon system.
I did see a post saying some computers with 8 gpus and really it is just a nvidia card that reads as two gpus and it has four of them. I also found a pic of someone with 8 gpus in a case but it was more or less just a demonstration just to see how far he can go. It most likely not going to be used/mass produced.
there are many motherboards that can fit 4 cards and you can have 8 gpu's in 4 cards, like a gtx 690. you can easily fit that into a corsair 800d. There are many powersupplys that are 80 plus platinum that should be able to power these 4 cards and who says you cant have 2 psu's? And there are intel processors that can get speeds capable of sustaining this macheine. Im not saying this will be cheap but this is more catered towards the enthusiast not the average consumer
Doctors and professors could use something like this. Also when i saw home use i mean small form factor use maybe for an enterprise enviornment
No, the performance return even of a 4th card is trash (usually maxes out at 30% gain) any more and the gains would be trivial, as far as medical computing and such they have none consumer cards designed just for that and you can do the processing without SLI enabled.
Ok, one word: servers. If you can't afford a proper supercomputer, or to lease time from one, you can lease time on the amazon servers on the cheap. There just isn't a good reason to put that many GPUs on one mobo.
true but companys like to own there own things. Imagine the ability for every company to have there own super computer that less than 50 grand
Like i said the nvidia tesla is something anyone can buy; also you may be right saying that adding more cards is trash by only getting 30% use but im insinuating that we make it so there is no performance loss and getting the most power possible. Thinking outside of the box. You know what i mean?
http://www.nvidia.com/object/workstation-solutions-tesla.html Sry forgot the link(:
WDF
I'm saying there's a reason they don't bother going above 4 as it would require a lot more work for all 5 people that would actually do it.
With a dual xeon system, you could get 80 pcie lanes. 8x at 8 GPU's, which would be pretty hilarious but performance wise you would be better building 2 completely different systems and bridging them together.
There's also the AMD cards as well. http://www.amd.com/en-us/products/graphics/server
These don't seem as well know as the teslas, but it's interesting to note that they're available. Another thing I found interesting was that AMD has server cards specifically for gaming. I don't know whether these can be used with normal gaming cards but someone out there can figure out how to make it work. AMD Sky Series
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