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CUDA Supercomputer Build plan

post #1 of 21
Thread Starter 
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
Edited by Indian_Engineer - 6/18/08 at 11:42am
p
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Athlon X2 5000+ BE @ 3.0GHz BIOSTAR TForce TF570SLI 2 X PNY 9800GX2 1GB 512-bit 8GB OCZ Gold DDR2 800 
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36GB Raptor X 4 in RAID10 20x DVD+RW Slackware 12.1 Dual Samsung 24" WS LCD 
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p
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Athlon X2 5000+ BE @ 3.0GHz BIOSTAR TForce TF570SLI 2 X PNY 9800GX2 1GB 512-bit 8GB OCZ Gold DDR2 800 
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36GB Raptor X 4 in RAID10 20x DVD+RW Slackware 12.1 Dual Samsung 24" WS LCD 
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IBM Model M PC P&C 610 Silencer (12V@49A) Ultra Aluminus Full Tower Logitech G5 
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Ratpadz GS 
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post #2 of 21
Why don't you use the same motherboard they did, with 4 x16 slots? This way you have room for expansion if you need it.
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post #3 of 21
Why dont you email nVidia, they are banking that CUDA will take off. You never know, they might sponsor you with cards.
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post #4 of 21
LFS? live for speed?
I love brownies
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I love brownies
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post #5 of 21
I always buy my video cards from XFX because of the double lifetime warranty. I'm glad too because Nvidia folding just may wear them out eventually.
post #6 of 21
Changing the Raptors to 4xWD6400AAKS would save you a lot of money. Maybe enough for another GX2 =)
DankoniQuad
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post #7 of 21
Quote:
Originally Posted by Compaddict View Post
I always buy my video cards from XFX because of the double lifetime warranty. I'm glad too because Nvidia folding just may wear them out eventually.
and I avoid XFX like they plague since they think its acceptable to say 'we no longer do Ultras here have a GTX'....
post #8 of 21
Quote:
Originally Posted by nickbunyun View Post
LFS? live for speed?
Linux From Scratch.

Sounds great!

However I would recommend a board with support for at least 3 PCI-E slots. Maybe 680i or something.

SLI doesn't matter in the least bit, however you will need more PCI-E slots to expand.

Also, it might work better to have a single 280 or 260 GTX, instead of a couple 9800GTX x2's.
    
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post #9 of 21
Quote:
Originally Posted by trueg50 View Post
Linux From Scratch.

Sounds great!

However I would recommend a board with support for at least 3 PCI-E slots. Maybe 680i or something.

SLI doesn't matter in the least bit, however you will need more PCI-E slots to expand.

Also, it might work better to have a single 280 or 260 GTX, instead of a couple 9800GTX x2's.
Keep price in mind.

Edit: CD is selling a couple raptors
http://www.overclock.net/cyberdruidp...rogress-3.html

Edit 2: Also you might want to consider two VelociRaptors unless you are dead set on Raid 10.
Edited by cuy50 - 6/19/08 at 7:14am
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post #10 of 21
As to your major edit, I wouldn't say that CPU is insignificant in CUDA..

Only problem with multiple GPU's (and the GX2 as well) is that in the current incarnation of CUDA, data still gets pushed back through the host in order to get from GPU to GPU.. This doesn't mean anything if you aren't writing multi-threaded code, but from the talk of going for two GX2's, it sounds like you probably will. The more data you send back and forth, the more CPU will be needed to push 'stuff' through the pipeline.

I personally think AMD is a better choice here for the memory controller, but that advantage seems to be diminishing year by year, and by December, Intel may be the path to go.

As a side not, throw an Antec Spot Cool over that RAM when you build.. 4 sticks being used for something other than Firefox produces a nice amount of heat.. that your A64 won't like
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