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Search: Posts Made By: SethTro
Forum: mersenne.ca 2022-01-13, 20:22
Replies: 787
Sticky: mersenne.ca
Views: 103,349
Posted By SethTro
Exactly this; One reason mfaktc doesn't produce a...

Exactly this; One reason mfaktc doesn't produce a NF result if it finds a composite factor (and the server rejects the composite factor result) so I manually produced many NF results for ranges I had...
Forum: Data 2022-01-13, 01:36
Replies: 1,143
Views: 139,870
Posted By SethTro
This is a non-issue, PRP is when the remaining...

This is a non-issue, PRP is when the remaining factor is probably prime implies there is already at least one factor known.
It's harder to avoid Mersenne primes where no factor exists (and no amount...
Forum: Data 2022-01-10, 23:14
Replies: 1,143
Views: 139,870
Posted By SethTro
Great work! This was one of the intervals I...

Great work! This was one of the intervals I predicted could be last so I'm happy to see it finished so soon!
I think it was 5% of all work remaining when there was over 100 intervals to go....
Forum: Data 2022-01-03, 05:34
Replies: 1,143
Views: 139,870
Posted By SethTro
Finished this up today. Had a run of 250 NF but...

Finished this up today. Had a run of 250 NF but in the end found factors in 3.8% of assignments (vs 4.0% expected)

I'll jump in on a 9-11M range soon
Forum: Software 2022-01-02, 00:25
Replies: 329
Views: 15,510
Posted By SethTro
I'm no longer able to reproduce so I don't know...

I'm no longer able to reproduce so I don't know what to say. With three workers, with one worker, on build 6 and build 7 I can get this to entering stage 2. I have included the logs (and local.txt...
Forum: Software 2021-12-30, 10:54
Replies: 329
Views: 15,510
Posted By SethTro
I'm getting a similar repeatable problem where...

I'm getting a similar repeatable problem where prime95 hangs on a large exponent (M38,197,477) even when I set Memory=28000 (on a machine with 64GB)
Forum: mersenne.ca 2021-12-30, 09:58
Replies: 787
Sticky: mersenne.ca
Views: 103,349
Posted By SethTro
I coded up Alex's normalize_B1 and it's not great...

I coded up Alex's normalize_B1 and it's not great

https://colab.research.google.com/drive/1IwpVTxigqY6Q_9v4F9Fq5tmL_k02wMuA

First attachment shows number of curves needed at various B1/B2 with...
Forum: mersenne.ca 2021-12-30, 08:45
Replies: 787
Sticky: mersenne.ca
Views: 103,349
Posted By SethTro
Thanks for suggesting the improvement! You...

Thanks for suggesting the improvement!

You understand version two of the PHP code (https://gist.github.com/sethtroisi/60cfd68ad24770d7048d6372579f09bd) correctly in that it finds the largest curve...
Forum: Data 2021-12-27, 07:03
Replies: 1,143
Views: 139,870
Posted By SethTro
13.5 Done (plus some extra) Working on 6.6

13.5 Done (plus some extra)

Working on 6.6
Forum: Data 2021-12-23, 08:46
Replies: 1,143
Views: 139,870
Posted By SethTro
I'm doing P-1 on 13.5 should be done in less than...

I'm doing P-1 on 13.5 should be done in less than a week
Forum: Data 2021-12-17, 23:39
Replies: 98
Views: 2,916
Posted By SethTro
I got thirty minutes to work on this today *...

I got thirty minutes to work on this today

* I added all the files I have (which includes backups that should be filtered)
* You can now download the files

Next up is sorting and filtering the...
Forum: Data 2021-12-17, 09:24
Replies: 98
Views: 2,916
Posted By SethTro
I'll reach out to both of you next week as I make...

I'll reach out to both of you next week as I make more progress and start adding upload functionality.

Rough website with list of current files I have: https://pminus1.cloudygo.com/
Forum: Data 2021-12-17, 06:09
Replies: 98
Views: 2,916
Posted By SethTro
For TF 100% of factors less than 2^67 have been...

For TF 100% of factors less than 2^67 have been found, and 0% of factors greater than 2^67.
For ECM T-level (say 200 bits) is the point where 50% of factors near that should have been found, at 195...
Forum: Lone Mersenne Hunters 2021-12-17, 01:07
Replies: 2,034
Views: 281,658
Posted By SethTro
I'm also fond of that factor! I found the 10th...

I'm also fond of that factor! I found the 10th factor for that number as part of my manyfactor push in Aug/Sep!
Forum: Data 2021-12-17, 01:05
Replies: 98
Views: 2,916
Posted By SethTro
Something I've wanted for a long time and now...

Something I've wanted for a long time and now more than ever I think we need is a repository of P-1 save files.

I have a bit of free time to work on this and I think it has several parts

1....
Forum: Data 2021-12-17, 00:13
Replies: 98
Views: 2,916
Posted By SethTro
Thanks James this is great! One small...

Thanks James this is great!

One small suggestion could you make the Factor Probability column on the exponent page a link to the prob calculator with the values of that row filled in?

I think...
Forum: mersenne.ca 2021-12-08, 22:48
Replies: 787
Sticky: mersenne.ca
Views: 103,349
Posted By SethTro
Another feature request to our intrepid leader,...

Another feature request to our intrepid leader, James, may he program forever.

is there any chance you can add a column on the status page for number of untested exponents (e.g. no LLR / PRP tests...
Forum: Software 2021-12-07, 23:36
Replies: 3
Views: 3,084
Posted By SethTro
I added a few new features today JSON...

I added a few new features today


JSON output of the raw data I process
Test data generator
Verified support for 30.3
Forum: Prime Gap Searches 2021-12-07, 22:23
Replies: 59
Views: 24,060
Posted By SethTro
Thumbs up That's a huge find! Congrats! Wish it had been a...

That's a huge find! Congrats! Wish it had been a top 20, still 21st is amazing.

You missed the Dec 6th update so I pushed an extra one just now.

It removes 8 points from the high water mark...
Forum: Software 2021-12-07, 20:52
Replies: 329
Views: 15,510
Posted By SethTro
+1 This does assumes you're only doing P-1...

+1

This does assumes you're only doing P-1 once. For small exponents some of us (you especially) save the backup files and re-run with larger bounds so where stage 1 is completely reused while...
Forum: Software 2021-12-07, 00:56
Replies: 3
Views: 3,084
Posted By SethTro
I'm working on TWOK and have a bunch of P-1 save...

I'm working on TWOK and have a bunch of P-1 save files laying around that I want to run the new fast stage 2 code on.

I rewrote my code as a standalone python file...
Forum: Data 2021-12-06, 11:03
Replies: 1,143
Views: 139,870
Posted By SethTro
I finished the 6.9M range. Version 30.8...

I finished the 6.9M range.

Version 30.8 really helped out. With new larger B2 bounds the odds of finding a factor improved from ~2% to ~4%. I re-ran a good portion of my exponents with the new...
Forum: Data 2021-12-04, 20:20
Replies: 1,143
Views: 139,870
Posted By SethTro
@techn1ciaN My opinion without running any...

@techn1ciaN

My opinion without running any queries or writing code is no we don't need to do anything special. We should keep querying the counts in ranges up to 120M (where TF increases to 73...
Forum: Software 2021-12-04, 11:43
Replies: 329
Views: 15,510
Posted By SethTro
With `MaxHighMemoryWorkers=1` 30.8v2 will resume...

With `MaxHighMemoryWorkers=1` 30.8v2 will resume two high memory workers at the same time.


$ cat worktodo.txt

[Worker #1]
Pminus1=1,2,50111,-1,3000000,1000000000

[Worker #2]...
Forum: Software 2021-11-30, 10:09
Replies: 174
Sticky: Prime95 30.7
Views: 18,162
Posted By SethTro
Small bug report for resumed P-1 work

Input


$ cat worktodo.txt

Pminus1=1,2,10061,-1,200000,200000
Pminus1=1,2,10061,-1,100000,5000000

$ ./mprime -d
(some lines omitted)
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