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Forum: And now for something completely different 2021-01-25, 15:24
Replies: 10
Views: 623
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: 2
Views: 121
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: 143
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: 143
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: 143
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: 76
Sticky: Prime95 v30.4
Views: 4,685
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: 76
Sticky: Prime95 v30.4
Views: 4,685
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: 2
Views: 118
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: 124
Views: 7,755
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: 364
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: 364
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: 124
Views: 7,755
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: 373
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: 76
Sticky: Prime95 v30.4
Views: 4,685
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: 115
Views: 9,473
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: 1,632
RIP
Views: 128,579
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.
Forum: Software 2021-01-05, 02:02
Replies: 76
Sticky: Prime95 v30.4
Views: 4,685
Posted By axn
Unless primes are being paired the exact same way...

Unless primes are being paired the exact same way from before, there is a good chance that 30.4 with B-S enabled will not find the factor
Forum: Lounge 2021-01-04, 13:17
Replies: 1,632
RIP
Views: 128,579
Posted By axn
Tanya Roberts...

Tanya Roberts (https://www.nydailynews.com/snyde/ny-tanya-roberts-bond-girl-70s-show-dies-age-65-20210104-epacgv7q7zdt3aec6aqpdrmcve-story.html) (That 70's show)

EDIT:- Perhaps not. See next post.
Forum: Data 2021-01-03, 18:20
Replies: 335
Views: 42,326
Posted By axn
Does the bug affect P-1 as well? Because that was...

Does the bug affect P-1 as well? Because that was a P-1.
Forum: Lounge 2021-01-03, 03:12
Replies: 1,664
Views: 100,578
Posted By axn
I believe pre-symptomatic transmission is a thing.

I believe pre-symptomatic transmission is a thing.
Forum: Lounge 2021-01-01, 02:33
Replies: 46
Views: 3,481
Posted By axn
It is also 2020219, as if transitioning from 2020...

It is also 2020219, as if transitioning from 2020 to 2021 :w00t:

Thanks for the gift, and Congrats on the new find.
Forum: Data 2020-12-31, 03:16
Replies: 335
Views: 42,326
Posted By axn
Omitting B-S simplifies the code somewhat, but...

Omitting B-S simplifies the code somewhat, but yields only minor speedup. The main speed up comes from better prime pairing. Previously, the prime pairing was like 10-15%. Now it is more like...
Forum: Hardware 2020-12-29, 03:46
Replies: 124
Views: 7,755
Posted By axn
I am wondering how much more thruput can be...

I am wondering how much more thruput can be obtained by:
1) Running two copies of gpuowl -- 128MB cache can hold two FFTs at current PRP leading edge easily.
2) Not using the GPU for display. Not...
Forum: Hardware 2020-12-29, 03:40
Replies: 124
Views: 7,755
Posted By axn
Hopefully better than that, since 6800XT should...

Hopefully better than that, since 6800XT should clock higher than 6900XT. They're both same TDP, so 6900XT can't clock as high.
Forum: Hardware 2020-12-28, 04:45
Replies: 124
Views: 7,755
Posted By axn
That would be very nice indeed, but I'm keeping...

That would be very nice indeed, but I'm keeping my expectations low. If we can hit a decent fraction of R7 thruput, that would be great -- say 70%/80%/90% respectively by 6800/6800XT/6900XT. Anything...
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