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Search: Posts Made By: Prime95
Forum: PrimeNet 2022-08-09, 21:06
Replies: 2,493
Views: 314,631
Posted By Prime95
Nope. A user submitted 15 ordinary looking ECM...

Nope. A user submitted 15 ordinary looking ECM results and for some reason was given enormous CPU credit. James and I are stumped. For now, I'm chalking it up to server glitch.
Forum: Software 2022-08-09, 17:48
Replies: 656
Views: 56,789
Posted By Prime95
30.8 build 16 released for Windows and Linux...

30.8 build 16 released for Windows and Linux 64-bit. A bug fix for Ryzen 7000.
Forum: Software 2022-08-09, 17:46
Replies: 4
Views: 86
Posted By Prime95
OP said these were different exponents, so naming...

OP said these were different exponents, so naming conflicts are not the issue.
Forum: Software 2022-08-09, 15:29
Replies: 4
Views: 86
Posted By Prime95
Yes, they should be similar in size. I cannot...

Yes, they should be similar in size. I cannot explain the symptoms you are seeing.

If you stop and resume PRP testing does it work as expected?
Forum: Software 2022-08-08, 14:22
Replies: 7
Views: 193
Posted By Prime95
Not recommended right now. I'd use ECM and...

Not recommended right now. I'd use ECM and version 30.9. Someday I may get around to polynomial stage 2 for P+1 factoring.
Forum: Software 2022-08-03, 19:09
Replies: 656
Views: 56,789
Posted By Prime95
These are typical stress test error messages that...

These are typical stress test error messages that simply mean "something went wrong". It could be a FPU error, memory error, cache error, overheating or power supply issue. That is, the cause could...
Forum: Information & Answers 2022-08-03, 16:13
Replies: 7
Views: 566
Posted By Prime95
I do not know if that mprime is different than...

I do not know if that mprime is different than the mprime here: https://www.mersenne.org/download/
Can you try the official version?
Forum: Information & Answers 2022-08-03, 06:56
Replies: 7
Views: 566
Posted By Prime95
Is this an mprime you built from sources?

Is this an mprime you built from sources?
Forum: Software 2022-08-02, 16:12
Replies: 48
Views: 2,854
Posted By Prime95
Good suggestion. In the meantime, set...

Good suggestion.

In the meantime, set EcmSaveFtreeToDisk=0 in prime.txt
Forum: Lounge 2022-07-31, 06:24
Replies: 119
Views: 7,172
Posted By Prime95
Stats after 200 tries. Apparently if you miss a...

Stats after 200 tries. Apparently if you miss a day your current streak is terminated - in my view, the current streak is really 172.

Average #guesses for 1st 100 games: 3.79
Average #guesses...
Forum: Software 2022-07-28, 15:23
Replies: 13
Views: 640
Posted By Prime95
Smaller exponents will also run at 100C. Try...

Smaller exponents will also run at 100C.

Try running with fewer cores, that might help with the temperature. If we can't get the big exponents to run at a temperature you are comfortable with,...
Forum: Software 2022-07-28, 01:47
Replies: 13
Views: 640
Posted By Prime95
Please try this version: ...

Please try this version: https://www.dropbox.com/s/q4mfqchd4ien08q/p95v308b15.MacOSX.tar.gz?dl=0
Forum: Software 2022-07-26, 15:32
Replies: 656
Views: 56,789
Posted By Prime95
The change was made Feb 5th. I don't know if...

The change was made Feb 5th. I don't know if the bug report was posted on the forum or made via email/PM.
Forum: Software 2022-07-26, 14:03
Replies: 656
Views: 56,789
Posted By Prime95
Yes This could well be a new condition...

Yes



This could well be a new condition in 30.8. I believe it was James that had some case where PauseWhileRunning and CERTs did not behave well. I don't remember the details.
Forum: Software 2022-07-26, 13:56
Replies: 13
Views: 640
Posted By Prime95
You are highly unlikely to find a factor using...

You are highly unlikely to find a factor using P-1 on exponents below 10000. GMP-ECM is also very fast on these tiny numbers and has been available for many years.

I've been working on exponents...
Forum: Software 2022-07-26, 06:30
Replies: 13
Views: 640
Posted By Prime95
You could if it existed. I'll see if I can build...

You could if it existed. I'll see if I can build it this week.
Forum: Software 2022-07-25, 14:30
Replies: 13
Views: 640
Posted By Prime95
It is possible but you must use 30.8b15. Give it...

It is possible but you must use 30.8b15. Give it all the RAM you can spare as long as the system does not start thrashing during stage 2.

See https://www.mersenneforum.org/showthread.php?t=27477...
Forum: Software 2022-07-24, 03:29
Replies: 656
Views: 56,789
Posted By Prime95
There are lots of reasons one might not get CERT...

There are lots of reasons one might not get CERT work.

P-1, P+1, ECM disables CERTs (expensive to interrupt stage 2 because of stage 2 init time)
CPU hours per day set below 12
Using...
Forum: Software 2022-07-19, 01:22
Replies: 48
Views: 2,854
Posted By Prime95
Yes.

Yes.
Forum: Software 2022-07-18, 18:44
Replies: 48
Views: 2,854
Posted By Prime95
Well done. 242 curves showed great patience!

Well done. 242 curves showed great patience!
Forum: Lounge 2022-07-18, 02:23
Replies: 1,034
Views: 118,581
Posted By Prime95
Bridge tournament results. You cannot imagine...

Bridge tournament results. You cannot imagine how happy I am over this:

https://bridgewinners.com/article/view/district-7-wins-morehead-grand-national-teams-championship-flight/
Forum: Software 2022-07-17, 02:17
Replies: 48
Views: 2,854
Posted By Prime95
Thanks for the great data! From that I see that...

Thanks for the great data! From that I see that the "prime95 guessed optimal B2/B1" is not terribly bad. We need to wait for a prime95 that is fully optimized in stage 2. Then gather similar data...
Forum: Information & Answers 2022-07-16, 18:35
Replies: 16
Views: 467
Posted By Prime95
I'm no expert, I think it is an issue with memory...

I'm no expert, I think it is an issue with memory timing signals and may not be fixable.

A 240K FFT uses ~2MB memory. Not sure what your L3 cache size is or how many torture threads are...
Forum: Data 2022-07-16, 18:24
Replies: 182
Views: 15,245
Posted By Prime95
I was thinking after completing P-1 to 20M we...

I was thinking after completing P-1 to 20M we might embark on ECM. Along the lines of t35 up to exponent 1M, t30 up to 5M, t25 up to 10M (these are just example t-numbers and exponents). Of course,...
Forum: Software 2022-07-16, 02:40
Replies: 48
Views: 2,854
Posted By Prime95
Best setup for you is likely 4 workers an...

Best setup for you is likely 4 workers an MaxHighMemWorkers set to 2
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