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Search: Posts Made By: swellman
Forum: Msieve 2022-08-18, 19:53
Replies: 2,229
Views: 227,559
Posted By swellman
n:...

n: 142511357330466243476746690497051575928345729751366129422971474654704075568089404245440258486192592405061316915235821208519879617537091746369391499418464177318972566719274808703086801429397
skew:...
Forum: NFS@Home 2022-08-17, 14:41
Replies: 145
Views: 18,083
Posted By swellman
Corrected, thanks for the backstop!

Corrected, thanks for the backstop!
Forum: NFS@Home 2022-08-17, 12:41
Replies: 145
Views: 18,083
Posted By swellman
C227_129_124

C227_129_124 is a SNFS difficulty 270 272 job from the XYYXF project, which has a dreadful polynomial. So dreadful in fact it must be run as a 33/32 on 16e_small:


n:...
Forum: Msieve 2022-08-17, 11:07
Replies: 2,229
Views: 227,559
Posted By swellman
Nice score @Plutie! While not a record it is...

Nice score @Plutie! While not a record it is perfectly suited for a C189.

My CADO search should spit out results by tomorrow. Msieve-GPU has produced nothing close to any of the results presented...
Forum: YAFU 2022-08-16, 15:00
Replies: 22
Views: 3,413
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: 54,134
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: 9,560
Posted By swellman
Reserving 11p8_254 for postprocessing.

Reserving 11p8_254 for postprocessing.
Forum: Msieve 2022-08-14, 18:34
Replies: 2,229
Views: 227,559
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: 6,771
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: 59,143
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: 1,230
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: 1,230
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: 6,214
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: 1,230
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: 1,230
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: 1,230
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: 1,230
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: 1,230
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: 1,230
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: 1,230
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: 1,230
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: 1,230
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: 6,214
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: 6,214
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: 1,230
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...
Showing results 1 to 25 of 1000

 
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