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Search: Posts Made By: axn
Forum: Soap Box 2021-02-24, 04:37
Replies: 17
Views: 377
Posted By axn
Surely, you know about the 61st amendment...

Surely, you know about the 61st amendment (https://www.imdb.com/title/tt0106697/quotes/qt0412476)?
Forum: Miscellaneous Math 2021-02-17, 12:54
Replies: 32
Views: 1,383
Posted By axn
Can you double check your math on this one? I'm...

Can you double check your math on this one? I'm not getting the same results.
Forum: Software 2021-02-07, 13:07
Replies: 108
Sticky: Prime95 v30.4
Views: 8,757
Posted By axn
The new stage 2 uses E=2 by default (i.e. only...

The new stage 2 uses E=2 by default (i.e. only prime pairing, no Brent-Suyama extension). If the old stage 2 was using E=12 it will take 6 times longer to initialize compared to E=2.
Apart from...
Forum: Lone Mersenne Hunters 2021-02-05, 14:12
Replies: 1,797
Views: 188,369
Posted By axn
Hmmm... 423 is not relatively prime to 2310, so...

Hmmm... 423 is not relatively prime to 2310, so that is not a valid combo.

:confus:

Are you sure it was D=2310, E=12? D=210 is another option, as is E=6.
Forum: Lone Mersenne Hunters 2021-02-05, 12:35
Replies: 1,797
Views: 188,369
Posted By axn
The poly is (2310*i)^12-j^12, and only j that is...

The poly is (2310*i)^12-j^12, and only j that is relatively prime to 2310 need to be considered. Actually, now that I think about it, could be (4320*i)^12-j^12

EDIT:- If you've used the new 30.4...
Forum: Data 2021-01-30, 02:10
Replies: 347
Views: 49,154
Posted By axn
I am not sure I understand you correctly. Could...

I am not sure I understand you correctly. Could you explain further with an example?
Forum: Cloud Computing 2021-01-27, 08:51
Replies: 20
Views: 905
Posted By axn
Except when they're selling surplus compute power...

Except when they're selling surplus compute power using "spot" prices. They're already burning electricity by keeping the physical hardware on, they might as well try to minimize losses / turn a...
Forum: Lone Mersenne Hunters 2021-01-27, 08:46
Replies: 1,797
Views: 188,369
Posted By axn
No. P95 calculates 3^(Mp+1) == 3^(f+1) to prp...

No. P95 calculates 3^(Mp+1) == 3^(f+1) to prp test Mp/f. So the residue produced is always the same.

By calculating 3^(Mp+1), you can just do repeated squaring (more efficient), which also...
Forum: PrimeNet 2021-01-27, 08:42
Replies: 2
Views: 209
Posted By axn
The residue of the previous tests did not change....

The residue of the previous tests did not change. The residue produced is same regardless of the factors. P95 merely does another calculation at the end to see if the cofactor is a PRP and report it...
Forum: And now for something completely different 2021-01-25, 15:24
Replies: 21
Views: 1,812
Posted By axn
The given value looks like the end point. ...

The given value looks like the end point.

The actual starting point is 10000000000001275924044876917671361...
Forum: Miscellaneous Math 2021-01-24, 13:05
Replies: 17
Views: 881
Posted By axn
Thumbs down You say that 2/(29+13*sqrt(5)) = 1/29. Basically...

You say that 2/(29+13*sqrt(5)) = 1/29. Basically an irrational number = a rational number. That is nonsense.

You haven't mentioned how you obtain your "Hugo" number for a given prime index. For...
Forum: Information & Answers 2021-01-22, 14:23
Replies: 5
Views: 305
Posted By axn
USB stick can work, but is not advisable -- not...

USB stick can work, but is not advisable -- not because of speed, but because of additional wear & tear. How much writes happen depends on the save frequency (which you can customize).

External...
Forum: Information & Answers 2021-01-22, 10:40
Replies: 5
Views: 305
Posted By axn
You can create a shared folder and run mprime off...

You can create a shared folder and run mprime off of it. Only prime.txt, local.txt, worktodo.txt (and the checkpoint files) need to be in the shared folder.

You can then use the -w parameter...
Forum: Information & Answers 2021-01-22, 10:36
Replies: 5
Views: 305
Posted By axn
https://www.mersenne.org/various/math.php#p-1_fact...

https://www.mersenne.org/various/math.php#p-1_factoring
Forum: Software 2021-01-16, 16:43
Replies: 108
Sticky: Prime95 v30.4
Views: 8,757
Posted By axn
I believe they are both used, but for different...

I believe they are both used, but for different purposes. If there is no internet connectivity, the first parameter is used. If there is internet connectivity, but mersenne.org is down, the second...
Forum: Software 2021-01-16, 02:21
Replies: 108
Sticky: Prime95 v30.4
Views: 8,757
Posted By axn
Look in prime.txt. You will see two lines: ...

Look in prime.txt. You will see two lines:
NetworkRetryTime=2
NetworkRetryTime2=70

I suppose you need to change the first one.
Forum: Soap Box 2021-01-15, 13:29
Replies: 15
Views: 1,028
Posted By axn
Wouldn't this run into forced speech / first...

Wouldn't this run into forced speech / first amendment issues?
Forum: Hardware 2021-01-15, 09:45
Replies: 128
Views: 9,967
Posted By axn
Have you tried using MSI Afterburner to downclock...

Have you tried using MSI Afterburner to downclock memory?

Which is faster in gpuowl? Underclocked 6800 or 3070?

What is preventing you from testing in Linux?
Forum: Viliam Furik 2021-01-13, 09:00
Replies: 17
Views: 566
Posted By axn
As retina correctly pointed out, you should use...

As retina correctly pointed out, you should use the thruput figure (iters/s) rather than time (us/iter) to do the calculation. Hence, it is "27% slower" / "37% faster".
Forum: Viliam Furik 2021-01-13, 04:48
Replies: 17
Views: 566
Posted By axn
960/700 = 1.37 which means 37% faster (more...

960/700 = 1.37 which means 37% faster (more thruput).
Forum: Hardware 2021-01-10, 17:27
Replies: 128
Views: 9,967
Posted By axn
It is what OpenCL reports, not what the program...

It is what OpenCL reports, not what the program "uses". Power consumption of 200W is consistent with all the CUs being used since the TDP is 250W.
Forum: ONeil 2021-01-09, 05:12
Replies: 15
Views: 699
Posted By axn
You had a what?! You should get that checked out...

You had a what?! You should get that checked out by a doctor; could be serious.
Forum: Software 2021-01-07, 14:13
Replies: 108
Sticky: Prime95 v30.4
Views: 8,757
Posted By axn
Build 5 also suffers from Infinite loop bug. This...

Build 5 also suffers from Infinite loop bug. This is linux, btw.

The setup is:
Memory = 57g
Each of the 6 worker is restricted to 9.5g. mprime however uses 9966m actual per worker (instead of...
Forum: sweety439 2021-01-05, 13:19
Replies: 127
Views: 11,961
Posted By axn
You've been asked to not quote entire posts...

You've been asked to not quote entire posts unnecessarily.
Forum: Lounge 2021-01-05, 02:20
Replies: 1,682
RIP
Views: 138,992
Posted By axn
Here's hoping she recovers from this. I'll edit...

Here's hoping she recovers from this. I'll edit my post to indicate the update.
Showing results 1 to 25 of 1000

 
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