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Old 2013-08-30, 21:05   #1
optimus
 
"Derek"
Aug 2013
Los Angeles

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Default Running on /--Prime95--/ Lucas-Lehmer on Nvidia Tesla S1070

Hello,

I would like to find out if I can run Prime95 on Nvidia Tesla S1070 system. It has 4 GPUs with 240 cores each, for a total of 960 cores.

http://www.nvidia.com/docs/IO/43395/...V_LR_Final.pdf

If there is someone who has experience using Prime95 with this or similar system, I would appreciate any information you could share regarding system configuration and running the software.
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Old 2013-08-30, 21:36   #2
kracker
 
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"Mr. Meeseeks"
Jan 2012
California, USA

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Yes, LL testing with CUDALucas.

You will however, have to give it work manually.
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Old 2013-08-30, 22:25   #3
optimus
 
"Derek"
Aug 2013
Los Angeles

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That's great. Will I be able to use all 960 cores to run 960 LL tests simultaneously? And also, do you think the average completion is going to be around 70 days, like it is on my i7 iMac 2.8GHz? Thanks again.
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Old 2013-08-31, 00:49   #4
kladner
 
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"Kieren"
Jul 2011
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In general, each GPU takes on one exponent at a time. In your situation you should be able to run 4 CUDALucas instances at a time. I am not certain of the performance of your GPUs, but for the sake of comparison:
A GTX 460 OC'd at 830 MHz core will do a 3xM double check LL in about 48 hours. The chip has 336 CUDA cores, CC 2.1.

A GTX 570 at about the same speed can do the same assignment in roughly 24 hours. The chip has 480 cores, CC 2.0.
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Old 2013-08-31, 03:01   #5
frmky
 
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Jul 2003
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The S1070 has roughly the same throughput as a GTX 570. So expect a 3xM double check LL to take about 4 days or so, and you can run 4 of them in parallel.
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