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SETI MB CUDA for Linux
Jason G:
echoing Sunu's comments regarding the 690 directly, it looks like a good time to sit and wait if you can hold out & don't need a new card right now. It's looking like an uncommon situation development wise at the moment, where nv driver & dev support staff appear to be in hiding off doing something else (for example the latest windows WHQL drivers aren't very well polished & there is currently zero publicly visible progress on reported issues). With the company having recently reported something like $4 billion earnings, I'd say either the staff are hard at work on that next gen to get it 'right'... or possibly abducted by aliens.
Anyway, given that, by my understanding, Linux drivers tend to be simpler to develop than Windows ones, probably you won't see much of the expected teething problems over here in Linux land, but might be in for a quiet wait. Windows display driver model based drivers, have already been buckling under multiple card setups for some time with latency & traffic issues [and most recently basic power management... ::) ], so it's fairly logical that the situation will be worse for us in the short term & nv will have to find ways around that.
Jason
riofl:
ugh. just reviewed the specs of the nvs 420 and 450.. neither will work for me :( they only have 512mb ram . i would clobber that in a heartbeat. typically my setup chews up a good 1gb+ vidram and thats without boinc running..
Mike:
--- Quote from: riofl on 25 Feb 2012, 07:49:10 am ---ugh. just reviewed the specs of the nvs 420 and 450.. neither will work for me :( they only have 512mb ram . i would clobber that in a heartbeat. typically my setup chews up a good 1gb+ vidram and thats without boinc running..
--- End quote ---
You can get a EVGA 450 SC with 1GB.
Mike
sunu:
If it is only for display, what do you need 1GB for? Maybe use 2 NVSs?
Nvidia gives extra capabilities/configuration options to their professional series of cards. For example those cards support BaseMosaic. BaseMosaic seems the perfect solution in your case:
--- Quote ---Option "BaseMosaic" "boolean"
This option can be used to extend a single X screen transparently across all of the available display outputs on each GPU. This is like SLI Mosaic mode except that it does not require a video bridge connected to the graphics cards. Due to this Base Mosaic does not guarantee there will be no tearing between the display boundaries. Base Mosaic is supported on all the configurations supported by SLI Mosaic Mode. It is also supported on Quadro FX 380, Quadro FX 580 and all G80 or higher non-mobile NVS cards.
Use this in conjunction with the MetaModes X configuration option to specify the combination of mode(s) used on each display. nvidia-xconfig can be used to configure Base Mosaic via a command like nvidia-xconfig --base-mosaic --metamodes=METAMODES where the METAMODES string specifies the desired grid configuration. For example, to configure four DFPs in a 2x2 configuration, each running at 1920x1024, with two DFPs connected to two cards, the command would be:
nvidia-xconfig --base-mosaic --metamodes="GPU-0.DFP-0: 1920x1024+0+0, GPU-0.DFP-1: 1920x1024+1920+0, GPU-1.DFP-0: 1920x1024+0+1024, GPU-1.DFP-1: 1920x1024+1920+1024"
--- End quote ---
riofl:
--- Quote from: Mike on 25 Feb 2012, 08:12:51 am ---
--- Quote from: riofl on 25 Feb 2012, 07:49:10 am ---ugh. just reviewed the specs of the nvs 420 and 450.. neither will work for me :( they only have 512mb ram . i would clobber that in a heartbeat. typically my setup chews up a good 1gb+ vidram and thats without boinc running..
--- End quote ---
You can get a EVGA 450 SC with 1GB.
Mike
--- End quote ---
yeah i was just looking at he power consumptions... 40w max. i if i get a 590 or equivalent 690 ?, i am afraid the power requirements would leave me lacking for my display card if i went with a mainline card.
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