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SETI MB CUDA for Linux
pp:
--- Quote from: sunu on 04 Oct 2009, 03:45:07 pm ---Are these machines dedicated crunchers or you use them also as your desktops?
--- End quote ---
For the moment it's a dedicated cruncher but it's supposed to be my regular desktop computer. I have still to fit some more disks, serial I/O cards and deal with the air flow inside the box. It just breaks my heart to stop it from crunching to do that ;D
/PP
sunu:
--- Quote from: pp on 04 Oct 2009, 04:22:15 pm ---It just breaks my heart to stop it from crunching to do that ;D
--- End quote ---
Yes, I have the same feelings.
riofl:
whoah. seems like things are moving fast :) that 8 gpu machine must be able to cook a turkey placed behind it or at least heat a small home! those cards are entirely too close. each one will cascade more heat into the next one until the end one must run well over 130c! that thing would have to run in an ambient temp environment of near 0c to keep all those puppies cool. with all this changing technology and the imminent gt300 release my project may well get delayed into the 2nd quarter of the year to allow some re-design.
btw for those talking about boinc versions, i have been running 6.9.0 compiled from source and it has worked fine for multiple gpus... the scheduler is a bit odd in that it will refuse to pickup up work units until it is down to less than a few hundred then it goes into panic mode and tries to continuously request them until it gets its quantity back up, rather than begin asking for more when the queue reaches around 50% which seems the sensible place to refill.
sunu:
--- Quote from: riofl on 05 Oct 2009, 05:20:45 am ---whoah. seems like things are moving fast :) that 8 gpu machine must be able to cook a turkey placed behind it or at least heat a small home! those cards are entirely too close. each one will cascade more heat into the next one until the end one must run well over 130c! that thing would have to run in an ambient temp environment of near 0c to keep all those puppies cool.
--- End quote ---
That's why I'm saying that for multi multi-gpu installations it's better a water-cooling setup.
--- Quote from: riofl on 05 Oct 2009, 05:20:45 am ---btw for those talking about boinc versions, i have been running 6.9.0 compiled from source and it has worked fine for multiple gpus... the scheduler is a bit odd in that it will refuse to pickup up work units until it is down to less than a few hundred then it goes into panic mode and tries to continuously request them until it gets its quantity back up, rather than begin asking for more when the queue reaches around 50% which seems the sensible place to refill.
--- End quote ---
As I said to Tye, you could try 6.6.40 or 6.10.11, they should have proper multi-gpu support.
b0b3r:
--- Quote from: riofl on 05 Oct 2009, 05:20:45 am ---btw for those talking about boinc versions, i have been running 6.9.0 compiled from source and it has worked fine for multiple gpus... the scheduler is a bit odd in that it will refuse to pickup up work units until it is down to less than a few hundred then it goes into panic mode and tries to continuously request them until it gets its quantity back up, rather than begin asking for more when the queue reaches around 50% which seems the sensible place to refill.
--- End quote ---
You can avoid this by setting proper flops value in app_info.xml. This vale have impact on "result duration correction factor" which is used by scheduler process to guide your client in which manner it should ask for results.
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