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Old 2009-06-05, 00:53   #45
joblack
 
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Quote:
Originally Posted by Kevin View Post
Unless somebody in the next hour volunteers a faster computer, I'll put all 4 cores of my Q9550@2.80GHZ on a double-check.
How long would that go - I have a similar power (Q6600 @ 2,95 GHz) ...
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Old 2009-06-05, 00:56   #46
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I tested it briefly with a Q6600@3.1 GHz. The expected completion date was June 17.
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Old 2009-06-05, 00:57   #47
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Right now it says early in the morning of the 18th, but the estimate has been steadily decreasing.
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Old 2009-06-05, 01:03   #48
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Quote:
Originally Posted by Kevin View Post
Right now it says early in the morning of the 18th, but the estimate has been steadily decreasing.
Let somebody with a big machine (8- or 16-cores) do the test ... everything else is wasted processor time.
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Old 2009-06-05, 01:07   #49
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I have an archieve over primenet summary, nothing to note on April 12th between 02:00 and 03:00:

Under "Status Unproven" LL raised 1 and NO-LL decreased 1. Assigned LL decreased 1 and "Available LL-D" increased 1, so just like a normal finished LL-test.
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Old 2009-06-05, 01:10   #50
Prime95
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Quote:
Originally Posted by joblack View Post
I don't see any reason to 'censor' a mersenne prime found in the first time test.
It makes life fun - scouring the reports and using database queries to try and guess the exponent. I agree that hiding the fact that a potential prime has been found is not necessary.
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Old 2009-06-05, 01:19   #51
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I may know someone with a 16 core unit if no one else has one that may be willing to help GIMPS out as he is something of a math nerd himself. I will send him an email.
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Old 2009-06-05, 01:21   #52
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Quote:
Originally Posted by Prime95 View Post
It makes life fun - scouring the reports and using database queries to try and guess the exponent. I agree that hiding the fact that a potential prime has been found is not necessary.
The prime number finder wouldn't take it for so much fun if 500 people would email him/her about the exponent ^^ ...

Last fiddled with by joblack on 2009-06-05 at 01:22
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Old 2009-06-05, 01:23   #53
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I mean sending my friend an email. He is a manager here at a local business and so he has some say in how his machines are used.
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Old 2009-06-05, 01:28   #54
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Quote:
Originally Posted by Primeinator View Post
I mean sending my friend an email. He is a manager here at a local business and so he has some say in how his machines are used.
That would be great.

I had browsed just for fun for 2 x 6 Core Xeon CPUs and a fitting mainboard. Around 6.000 Euro with RAM ... quite out of my league but perhaps after my lottery winning in the future. ;) ...

AMD is planing to release a 16-Core CPU for Q1 2011 ... you can combine 4 of them. That would be quite a nice machine to search for 100M digit primes (but I've heart that prime95 doesn't scale so well with more cpus) ...

Last fiddled with by joblack on 2009-06-05 at 01:31
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Old 2009-06-05, 01:40   #55
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Quote:
(but I've heart that prime95 doesn't scale so well with more cpus) ...
To my knowledge this is correct. Such a machine is far outside of my league as well. I sent an email to my friend and I am awaiting a reply.
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