Forum: Analysis & Analytic Number Theory
2021-02-06, 20:55
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Replies: 2
Views: 14,275
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Forum: Analysis & Analytic Number Theory
2021-02-06, 16:44
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Replies: 2
Views: 14,275
Fermat method best case
I am a computer guy and not a math guy.
I have been playing with Fermat's factoring method and come upon a math question.
In the worst case Fermat is O(n^1/2) but in the best case it is O(1).
I am...
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Forum: Other Mathematical Topics
2021-01-29, 21:17
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Replies: 52
Views: 25,841
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Forum: Hardware
2019-01-20, 13:41
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Replies: 5
Views: 1,166
Lightning
Last summer lighting hit a tree in my backyard.
The surge took out various items in the house.
(Utilities run near the street and enter the far side of the house.)
But for GIMPS purposes, it...
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Forum: Soap Box
2019-01-17, 11:23
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Replies: 107
Views: 13,508
The vast majority of scientific papers support...
The vast majority of scientific papers support that man is causing global warming.
These papers go through a rigorous peer review process to catch mistakes.
I trust scientists to deal in facts...
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Forum: Lounge
2018-07-20, 03:15
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Replies: 27
Views: 4,713
Most high schools have guidance counselors who...
Most high schools have guidance counselors who can offer tests to see what
you might like to get into.
I think a lot of college students are in your position.
One plan is to take a wide variety...
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Forum: Soap Box
2018-02-24, 20:00
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Replies: 972
Views: 92,294
I strongly support the 2nd amendment.
Everyone...
I strongly support the 2nd amendment.
Everyone should be able to bear the same arms as George Washington.
Most of the original 10 amendments say we can not do things the
British tried to do to...
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Forum: Software
2018-01-28, 14:40
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Replies: 8
Views: 2,829
prime95 config file changes
Sometimes I want to make a config file change and hope prime95 will
see the change at some point. But sometimes it seems to just overwrite
my change and lose it.
Prime95 has config files...
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Forum: Soap Box
2018-01-28, 14:35
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Replies: 35
Views: 5,785
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Forum: Soap Box
2018-01-23, 01:13
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Replies: 194
Views: 42,205
Bill Gates has a company terrapower...
Bill Gates has a company terrapower (http://terrapower.com/) that
uses a fuel that was a byproduct of nuclear refining that is sitting in stockpiles in TN / KY.
There first customer is in China....
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Forum: GPU Computing
2018-01-14, 00:24
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Replies: 381
Views: 62,637
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Forum: Lounge
2018-01-13, 02:39
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Replies: 67
Views: 16,062
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Forum: Hardware
2018-01-13, 02:24
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Replies: 11
Views: 1,855
One NUMA node accessing memory on another NUMA...
One NUMA node accessing memory on another NUMA node is something like 50% to 100% slower than a node accessing its local memory.
Most OS will try to allocate memory on the numa node with the core...
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Forum: Information & Answers
2018-01-12, 02:57
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Replies: 20
Views: 5,246
Here are all the work types from the prime95...
Here are all the work types from the prime95 source code.
Most people use work type 0. It checks how fast your machine is
and picks the best work for it. A newer machine will get some double...
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Forum: Hardware
2018-01-10, 16:32
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Replies: 19
Views: 4,348
Most chip sets on most motherboards support 2...
Most chip sets on most motherboards support 2 memory channels.
The LGA 2066 on your motherboard support 4 memory channels.
That should mean it can handle twice as many cores before memory
is the...
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Forum: Lounge
2018-01-09, 23:13
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Replies: 24
Views: 3,904
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Forum: News
2018-01-01, 12:55
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Replies: 505
Views: 124,793
At one time finding primes had cash rewards. ...
At one time finding primes had cash rewards.
The GIMPS project had a long debate on how to split the reward.
I think part of the reason for the disclosure rules is to make sure
someone does not...
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Forum: News
2017-12-30, 22:50
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Replies: 505
Views: 124,793
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Forum: Information & Answers
2017-12-16, 23:17
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Replies: 18
Views: 1,880
I was not involved so this is just a guess.
...
I was not involved so this is just a guess.
A CPU has an FPU (Floating Point Unit) per core.
A GPU might have 40 to 100 FPU, so it can do a lot more computing, so a GPU gets more credit.
We...
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Forum: GPU Computing
2017-12-13, 01:47
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Replies: 16
Views: 4,095
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Forum: GPU Computing
2017-12-11, 01:05
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Replies: 16
Views: 4,095
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Forum: Linux
2017-10-11, 02:24
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Replies: 29
Views: 11,540
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Forum: Linux
2017-10-10, 00:48
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Replies: 29
Views: 11,540
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Forum: Software
2017-09-11, 18:11
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Replies: 18
Views: 3,924
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Forum: Hardware
2017-08-31, 02:59
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Replies: 42
Views: 5,374
1.2e6 total GHz days
I am currently number 6 on the "top producers page".
I have 18 machines (most 4 core but one 24 core) running prime95
and 8 GPU (various models from Nvidia 760 to 980) running mfaktc.
During...
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