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CUDA Supercomputer Build plan - Page 2

post #11 of 21
Currently AMD CPUs do not limit single cards for folding, and that's my Athlon X2, so I don't think a quadcore Phenom would limit it any for other things.

Besides, AMD is the only side that offers quadruple slot PCI-E with space for dual-slot cards. Phenom didn't limit the Belgians who ran this setup with four 9800GX2s. That's 8 GPUs running CUDA code, it was still blisteringly fast.
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post #12 of 21
Quote:
Originally Posted by cognoscenti View Post
and I avoid XFX like they plague since they think its acceptable to say 'we no longer do Ultras here have a GTX'....
Understandable but I still like XFX. They have nice art, run well, and have a cool doorknob sign. Since I can't afford to keep up with the bleeding edge, the warranty is a good selling point for me in the long run. That in itself may prove to pay off in the future.
post #13 of 21
I would get a quad. What if you want to expand to four cards later? You need one core for each GPU.
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post #14 of 21
Get an 680i or x38 motherboard with three x16 PCIe slots. You would be able to run 3 dual-slot cards instead of just two.
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post #15 of 21
Quote:
Originally Posted by DuckieHo View Post
Get an 680i or x38 motherboard with three x16 PCIe slots. You would be able to run 3 dual-slot cards instead of just two.
there's also the 680a... which everyone seems to treat like a second-rate unborn fetus. (ok so maybe thats a little extreme)
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post #16 of 21
Quote:
Originally Posted by FearMeansControl View Post
there's also the 680a... which everyone seems to treat like a second-rate unborn fetus. (ok so maybe thats a little extreme)
You mean people are smothering 680a motherboards in BBQ sauce before devouring them whole?
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post #17 of 21
Quote:
Originally Posted by FearMeansControl View Post
there's also the 680a... which everyone seems to treat like a second-rate unborn fetus. (ok so maybe thats a little extreme)
680a? 4x4? AMD dropped 4x4 over a year ago... it was such a waste of money for NVIDIA.
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post #18 of 21
Quote:
Originally Posted by DuckieHo View Post
680a? 4x4? AMD dropped 4x4 over a year ago... it was such a waste of money for NVIDIA.
waste of money for NVIDIA != waste of money for OP

not the best choice, but it seems silly to recommend intel chipsets to him, when he's stated that he is settled on AMD
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post #19 of 21
Quote:
Originally Posted by Indian_Engineer View Post
since I do research in computational biology and love to make algorithms I want to build my own supercomputer using CUDA, custom Linux OS i will make using LFS, and 2 9800GX2's (not in SLI)

this will essentially be a little less than half the computational power as the one posted in news that a uni in Belgium made

I GOT (good deals )
5000+BE $70
BIOSTAR TForce TF570SLI $50
8GB OCZ ram $160 (bought 2gb sticks for $40)

WILL GET
2 9800GX2's. which brand? i was thinking PNY, or eVGA
rest of stuff in sig/plan
4 raptors in RAID10 sounds good. any good deals on raptors, or just newegg?


MAJOR EDIT: CPU power is INSIGNIFICANT WITH A BUILD LIKE THIS SO DON'T FLAME FOR NOT GOING INTEL I only plan to oc to 3GHz just 'cause
Are you planning to mod the case too or just keeping it stock?
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post #20 of 21
Quote:
Originally Posted by Russkiy View Post
Are you planning to mod the case too or just keeping it stock?
Since he is planning to stay stock, I doubt he would do case mods (unless it's for more fans because you need better airflow). Those GX2's run hot.
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