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SETI MB CUDA for Linux
Terror Australis:
Just a quick one. I didn't have time today to go through all your suggestions but I did have time to sign up to Milky Way. Both cards ran on this project exactly as they should have. I've gone back to thinking this is a problem with the SAH app and the way it handles multiple instances on multiple devices.
I'm going back to square one tomorrow and will incorporate all your suggestions and see how it goes, if nothing else I'll have a tidier install.
BTW the correct command for nvidia-smi is: nvidia-smi -a
I'll post everything when I get a chance
T.A.
sunu:
--- Quote from: Terror Australis on 11 Jul 2011, 11:49:29 am ---BTW the correct command for nvidia-smi is: nvidia-smi -a
--- End quote ---
It must have been with your driver version. As I said I don't remember how nvidia-smi worked with that driver version. From nvidia-smi manual:
--- Quote ---The -a, -s and -g arguments are now deprecated in favor of -q and -i, respectively. However, the old arguments still work for this release.
--- End quote ---
EDIT: I just checked that app and it doesn't obey --device x flags. So no matter what we do, I don't think we can make it utilize other than the first GPU.
riofl:
Been inactive for a while. boincing fried both my vid cards. both have bad memory now and cause periodic lockups in my system.. been saving for a new card. was looking at the nvidia 590 but i am wondering if i should wait for the 690.. i assume the 690 will be dual gpu like the 590. thing is i need support for 4 monitors and the 590 does that which is nice. hope the 690 does too...
so... any thoughts about 590 vs 690?
sunu:
Nobody really knows what 690 will be like. It is also unknown when exactly it will be out, some say by the 3rd quarter. I would still wait for it.
As for your 4 monitors I think it would be better to go to a dedicated card for them. That is, use a separate card for display purposes and dedicate the 690 for cuda computing. Look at http://www.nvidia.com/object/desktop-nvs.html
This is what I'm thinking to do in the future. I'm also waiting for the 690 to replace my old 295+285 setup and use the 690 for cuda and a lowly card, like a 9600gt, for display (I don't have big requirements like your 4 monitor setup), if my motherboard cooperates (if it can run a display from the secondary PCIE slot).
riofl:
that nvs is interesting.. extremely low power too.. might be a bit of a mess making x work with it though. it only supports
2560x1600 per screen however i have 2 screens defined as 3840x1200 spanning across 2 monitors each screen, then i have those 2 screens 'twinview' enabled so i can move the mouse from one to the other screen. i would have preferred twinview all the way across but i could not find a way to do it so each screen was well defined and unique. didnt work so i had to go to the above solution. then again maybe that will work since each screen spans 2 ports. too tired to think properly. but this looks like a very nice setup.. much better than sharing my desktop with boinc.
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