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Search took 0.44 seconds. Search: Posts Made By: Prime95
Forum: Software 2022-08-03, 19:09
Replies: 655
Views: 56,502
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: 494
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: 494
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: 45
Views: 2,740
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: 7,145
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: 623
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: 623
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: 655
Views: 56,502
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: 655
Views: 56,502
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: 623
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: 623
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: 623
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: 655
Views: 56,502
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: 45
Views: 2,740
Posted By Prime95
Yes.

Yes.
Forum: Software 2022-07-18, 18:44
Replies: 45
Views: 2,740
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: 118,478
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: 45
Views: 2,740
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: 457
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: 178
Views: 14,959
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: 45
Views: 2,740
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
Forum: Software 2022-07-15, 19:01
Replies: 45
Views: 2,740
Posted By Prime95
Best from this table is: 1.5e13 11285 × (...

Best from this table is: 1.5e13
11285 × ( 950 + 293.4 ) = 14,031,769

This is not best configuration for this computer though. The fact that only one core is used during stage 1 is a big...
Forum: Software 2022-07-15, 14:02
Replies: 45
Views: 2,740
Posted By Prime95
Just hidden. SUMOUT checks only available in...

Just hidden. SUMOUT checks only available in SSE2 FFTs (old computer?). SUMOUT checks were the first error checks prime95 used. They are "fuzzy". Two floating point check values are supposed to...
Forum: Software 2022-07-15, 02:49
Replies: 45
Views: 2,740
Posted By Prime95
Can you post a table containing B1, B2, runtime,...

Can you post a table containing B1, B2, runtime, t5 curves needed?
Example: 110M, 105*B1, 950+5.3, 42000
I'm surprised at your preliminary results. Sounds like prime95's optimal B2 guess needs...
Forum: Software 2022-07-14, 04:42
Replies: 655
Views: 56,502
Posted By Prime95
I can confirm it is *supposed* to work. I do not...

I can confirm it is *supposed* to work. I do not have a 32-bit Windows install to test on. Has anyone else tried 30.8b15 on Win32?
Forum: Software 2022-07-13, 14:52
Replies: 45
Views: 2,740
Posted By Prime95
If you use B2=100*B1, prime95 should select a...

If you use B2=100*B1, prime95 should select a close-to-optimal B2 (if there aren't any bugs)

The best B2 value is determined by shortest time to complete the "t" level you are working on.
Say,...
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