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Forum: YAFU 2022-08-16, 15:00
Replies: 22
Views: 3,391
Posted By swellman
I use Yafu for many tasks but poly searching is...

I use Yafu for many tasks but poly searching is not one of them. Too slow to run and with mediocre results. It’s basically using msieve poly search with CPU which is very dated today.

If you’re...
Forum: Aliquot Sequences 2022-08-15, 11:34
Replies: 164
Views: 54,052
Posted By swellman
Currently at i2145 a C209. Is anyone working this...

Currently at i2145 a C209. Is anyone working this series, say ECM?
Forum: NFS@Home 2022-08-14, 19:00
Replies: 110
Views: 9,507
Posted By swellman
Reserving 11p8_254 for postprocessing.

Reserving 11p8_254 for postprocessing.
Forum: Msieve 2022-08-14, 18:34
Replies: 2,227
Views: 227,312
Posted By swellman
I’ll pitch in. Searching now.

I’ll pitch in. Searching now.
Forum: NFS@Home 2022-08-13, 02:08
Replies: 106
Views: 6,721
Posted By swellman
11m10_263 is factored. prp71 factor:...

11m10_263 is factored.


prp71 factor: 43772239261143980058605126681492516148852436751064240441463240476666791
prp121 factor:...
Forum: NFS@Home 2022-08-12, 22:00
Replies: 465
Views: 59,107
Posted By swellman
11m10_263 is finally factored. Can I get a PB...

11m10_263 is finally factored. Can I get a PB link please? TYIA.
Forum: Msieve 2022-08-12, 14:30
Replies: 100
Views: 857
Posted By swellman
I used msieve to find a polynomial for a c175. ...

I used msieve to find a polynomial for a c175.

msieve can’t sieve - GGNFS must be used for sieving

- one uses msieve to find a GNFS polynomial (or build your own in the case of SNFS)
- sieve...
Forum: Msieve 2022-08-12, 02:52
Replies: 100
Views: 857
Posted By swellman
Yes. There is some randomness as to what is...

Yes. There is some randomness as to what is produced during polynomial searching as I understand it. Glad you got that part running.



Stage 2 (that’s Step 7 in my example) doesn’t use the GPU,...
Forum: NFS@Home 2022-08-11, 15:11
Replies: 103
Views: 6,044
Posted By swellman
QUEUED AS 11p8_254 11+8,254 is a SNFS 264...

QUEUED AS 11p8_254

11+8,254 is a SNFS 264 composite from the HCN project ready for sieving on 15e_small.


n:...
Forum: Msieve 2022-08-11, 00:53
Replies: 100
Views: 857
Posted By swellman
It means increase one or the other or both...

It means increase one or the other or both values. Low norms are tight, higher norms are loose.



Seems low but not terribly so. I’ll check my records.



I think so. Linux drive me crazy...
Forum: Msieve 2022-08-10, 21:13
Replies: 100
Views: 857
Posted By swellman
In Windows it’s a double quote symbol “ but I’m...

In Windows it’s a double quote symbol “ but I’m not sure if it’s single or double in Linux.

But you must include -s output at the end of the invocation line. This will create a file called...
Forum: Msieve 2022-08-10, 20:03
Replies: 100
Views: 857
Posted By swellman
You just move the decimal point and adjust the...

You just move the decimal point and adjust the exponent.


1826e+16 = 1.826e+19
648e+13 = 6.48e+15


And remember you can round these to one or two significant digits if you wish, i.e. for...
Forum: Msieve 2022-08-10, 18:49
Replies: 100
Views: 857
Posted By swellman
It is a substantial list. It is also active with...

It is a substantial list. It is also active with a good bit of turnover - be aware of existing reservations, don’t poach, and be sure to reserve anything you choose to work on including ECM. Work an...
Forum: Msieve 2022-08-10, 17:37
Replies: 100
Views: 857
Posted By swellman
Check out Kamada’s site. List of Near Redigit...

Check out Kamada’s site. List of Near Redigit SNFS and GNFS jobs waiting to be run. Some need ECM, others NFS.

https://stdkmd.net/nrr/wanted.htm

Or PM me if you’d rather fish in deeper waters.
Forum: Msieve 2022-08-10, 16:41
Replies: 100
Views: 857
Posted By swellman
No problem. Just keep in mind that “stock”...

No problem. Just keep in mind that “stock” msieve-GPU becomes less efficient as GNFS difficulty gets higher. I don’t really use it above 185-190. Then I go to CADO. But as I said in my previous post,...
Forum: Msieve 2022-08-10, 00:07
Replies: 100
Views: 857
Posted By swellman
@storm5510 - Here is my recipe for using a...

@storm5510 -

Here is my recipe for using a low end GPU to search for a good GNFS polynomial. It is based on published advice from VBCurtis...
Forum: Msieve 2022-08-09, 19:17
Replies: 100
Views: 857
Posted By swellman
LA = linear algebra TD = target_density

LA = linear algebra

TD = target_density
Forum: Msieve 2022-08-09, 17:40
Replies: 100
Views: 857
Posted By swellman
You need one file in you msieve directory to...

You need one file in you msieve directory to generate a polynomial:

worktodo.ini

The worktodo.ini file contains only the number being factored in decimal notation.

You can then generate a...
Forum: NFS@Home 2022-08-09, 16:59
Replies: 103
Views: 6,044
Posted By swellman
Ok, thank you for the confirmation! It’s already...

Ok, thank you for the confirmation! It’s already queued and I’ll move it to sieving status later tonight.
Forum: NFS@Home 2022-08-09, 16:30
Replies: 103
Views: 6,044
Posted By swellman
Cullen 849

I’ve enqueued this as posted (with some slight reordering of the lines), but are you sure about 3 LPs on the rational side while sieving on the algebraic side? It can be changed until it is thrown...
Forum: Msieve 2022-08-09, 15:02
Replies: 100
Views: 857
Posted By swellman
And you should include -nc3 in the restart...

And you should include -nc3 in the restart invocation line if you want msieve to immediately carry on to the full factorization, e.g.


./msieve -v -ncr -nc3 -t 4


Or whatever number of...
Forum: NFS@Home 2022-08-09, 14:50
Replies: 103
Views: 6,044
Posted By swellman
I’ll throw into the mix that in the past BOINC...

I’ll throw into the mix that in the past BOINC seemed to have a higher percentage of bad relations than we experience today. More raw relations were needed to reach the desired number of uniques....
Forum: NFS@Home 2022-08-07, 16:47
Replies: 103
Views: 6,044
Posted By swellman
In test sieving I first ran this as a 31-bit job...

In test sieving I first ran this as a 31-bit job and the yield was great. Would have been a perfectly fine way to sieve this job. But the upper end for 14d is 165-170, a 15e_small at lpba/r of 30 is...
Forum: NFS@Home 2022-08-07, 11:33
Replies: 103
Views: 6,044
Posted By swellman
Different parameters and different tools, i.e....

Different parameters and different tools, i.e. GGNFS/msieve vs CADO. Here we are using the historical trend for the recommended # of raw relations needed for msieve on a 30-bit job to form a matrix....
Forum: NFS@Home 2022-08-04, 20:26
Replies: 110
Views: 9,507
Posted By swellman
3m2_563 is factored. p72 factor:...

3m2_563 is factored.


p72 factor: 487954727601792310733889624676202540802213356569913262940345252835252947
p125 factor:...
Showing results 1 to 25 of 1000

 
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