Forum: Software
2011-05-16, 18:52
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Replies: 16
Views: 3,506
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Forum: No Prime Left Behind
2011-05-12, 18:14
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Replies: 688
Views: 74,699
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Forum: No Prime Left Behind
2011-04-01, 17:20
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Replies: 688
Views: 74,699
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Forum: Conjectures 'R Us
2011-03-30, 14:55
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Replies: 4,116
Views: 369,586
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Forum: No Prime Left Behind
2011-03-26, 13:42
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Replies: 61
Views: 39,122
I'd like something to test offline for my new...
I'd like something to test offline for my new cruncher,1K seems reasonable to start.
So I'm taking 700K-701K.
Please send me the files to ilikelinustorvalds AT gmail DOT com, in 4 n=250 blocks....
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Forum: GPU Computing
2011-03-19, 14:48
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Replies: 381
Views: 64,147
Have you got a GPU where you can test how much...
Have you got a GPU where you can test how much slower it is with 4 instances than with 1?
From what I read in the previous posts,speed at the moment is about that of 1-1.5 cores of a cheap quadcore...
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Forum: GPU Computing
2011-03-19, 13:57
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Replies: 381
Views: 64,147
This is a question to msft:
Is it possible to...
This is a question to msft:
Is it possible to implement testing multiple candidates at the same time on one GPU? I think this would greatly improve throughput. Just like on a quad-core CPU you get...
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Forum: Math
2011-03-18, 20:11
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Replies: 2
Views: 2,379
Probability of factor (TF)
Hi,
Is there a formula / excel spreadsheet anywhere which lets me calculate the probablility that I find a factor for Mn by trial factoring from x to x+1 bits, with no previously known factor?
...
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Forum: Hardware
2011-03-05, 19:07
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Replies: 0
Views: 1,012
AMD Core unlock, stability?
I wonder who here is using an athlon x3 or phenom x2/x3 and has the 3rd/4th core unlocked on it.
If you tried this,please tell me if it passed the prime95/mprime stresstest for you or not,so i can...
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Forum: No Prime Left Behind
2011-02-28, 13:40
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Replies: 278
Views: 91,893
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Forum: Conjectures 'R Us
2011-02-23, 12:46
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Replies: 142
Views: 43,753
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Forum: GPU Computing
2011-02-23, 12:43
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Replies: 2,832
Views: 362,939
what gpu do you have?
It probably isn't...
what gpu do you have?
It probably isn't possible to run primality tests on it since it doesn't support double precision(same as mine:smile:).
But you can still do sieving/TF on it, things for which...
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Forum: Software
2011-02-23, 12:31
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Replies: 24
Views: 2,730
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Forum: No Prime Left Behind
2011-02-18, 19:34
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Replies: 616
Views: 138,169
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Forum: Software
2011-02-18, 17:57
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Replies: 24
Views: 2,730
Another problem
./llr-3.8.5 -d -q5*10^19737+3
Starting probable prime test of 5*10^19737+3
...
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Forum: Software
2011-02-18, 17:51
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Replies: 24
Views: 2,730
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Forum: Software
2011-02-18, 16:33
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Replies: 24
Views: 2,730
Yet another LLR bug
I have observed the following in LLR version 3.8.5:
When testing 10^500+961, LLR tells me:
Starting probable prime test of 10^500+961
10^500+961 is not prime, although base 3-Fermat PSP!! ...
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Forum: Conjectures 'R Us
2011-02-18, 12:30
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Replies: 1,729
Views: 189,310
Primes for S42
Primes from n=25K to n=35K:
9302*42^28384+1
1209*42^28486+1
179*42^29067+1
6530*42^31152+1
7311*42^34544+1
All verfified using pfgw -tc option.
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Forum: No Prime Left Behind
2011-02-18, 12:20
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Replies: 616
Views: 138,169
Just courious,what PSUs is Gary using on his...
Just courious,what PSUs is Gary using on his machines?
Low-quality power supplies can both go bad fairly soon and damage or reduce lifespan of your mobo/graphics card due to voltage spikes and...
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Forum: Software
2011-02-18, 12:06
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Replies: 5
Views: 1,652
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Forum: No Prime Left Behind
2011-02-17, 20:45
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Replies: 19
Views: 10,539
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Forum: No Prime Left Behind
2011-02-17, 20:24
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Replies: 19
Views: 10,539
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Forum: Software
2011-02-17, 19:46
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Replies: 5
Views: 1,652
Gimme Atom timings!
Yes,I know Atoms suck somewhat for number crunching stuff,but I'm still interested in timings as I'm planning to extend my crunchforce by something low-power which will run 24/7.
I'm not that...
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Forum: Puzzles
2011-02-17, 18:00
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Replies: 14
Views: 1,963
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Forum: Conjectures 'R Us
2011-02-17, 15:01
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Replies: 4,116
Views: 369,586
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