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Search took 0.38 seconds. Search: Posts Made By: VBCurtis
Forum: YAFU 2022-06-22, 07:43
Replies: 346
Views: 45,801
Posted By VBCurtis
No, a C102 can easily be solved by QS. It's not...

No, a C102 can easily be solved by QS. It's not the ideal method, but shouldn't be more than 2-3x slower than GNFS.
Forum: Factoring 2022-06-14, 16:56
Replies: 61
Views: 4,289
Posted By VBCurtis
You could read this thread... I mean, you quoted...

You could read this thread... I mean, you quoted a post that literally said "use the suggested B1 for ECM in this thread", to say you don't know where to find B1. Read the thread.

If that's not...
Forum: CADO-NFS 2022-06-14, 16:48
Replies: 68
Views: 4,547
Posted By VBCurtis
No, I think your way is actually more accurate,...

No, I think your way is actually more accurate, since it measures when a matrix can be built of a certain density rather than using user-set guesses for number of relations to find.
Forum: NFS@Home 2022-06-14, 14:21
Replies: 20
Views: 555
Posted By VBCurtis
The more threads you assign to msieve, the more...

The more threads you assign to msieve, the more waiting there is. Break a task into 20 pieces instead of 10 pieces, and wait for everyone to finish their slice before anyone can proceed; while each...
Forum: Flea Market 2022-06-14, 14:14
Replies: 4
Views: 997
Posted By VBCurtis
Right, I viewed the link. There are other ways...

Right, I viewed the link. There are other ways to break up a set than cutting it in half, right?
Forum: CADO-NFS 2022-06-14, 14:13
Replies: 68
Views: 4,547
Posted By VBCurtis
Weird; two digits easier than the C165 from a few...

Weird; two digits easier than the C165 from a few posts ago, with the same params, yet needed 10M more raw relations, more unique relations, and took the same amount of time as a poly that scored...
Forum: Flea Market 2022-06-13, 23:57
Replies: 4
Views: 997
Posted By VBCurtis
I want two of those sticks, but have no use for...

I want two of those sticks, but have no use for four.

If you decide to break up the set, please let us know- I'd rather buy from y'all.
Forum: Factoring 2022-06-13, 20:59
Replies: 61
Views: 4,289
Posted By VBCurtis
You're wasting your time & electricity. mprime is...

You're wasting your time & electricity. mprime is the wrong tool for the task, and your curves aren't going to find a factor.
Run GMP-ECM, or wait for an upcoming P95/mprime with enhanced ECM.
Forum: NFS@Home 2022-06-13, 17:10
Replies: 20
Views: 555
Posted By VBCurtis
32M is close enough to my guess of 30M to...

32M is close enough to my guess of 30M to consider the matrix a typical size / normal for this size of job.

800 hours sounds high; I bet if you tried the list of ideas in the last few posts you'd...
Forum: Factoring 2022-06-13, 05:25
Replies: 61
Views: 4,289
Posted By VBCurtis
I hope you mean you set B1 to 7.6e9 and let B2 be...

I hope you mean you set B1 to 7.6e9 and let B2 be whatever GMP-ECM chooses. If you've set B2 = B1, that means you're not running stage 2 at all and that's not a good plan (to put it mildly).
Forum: Cunningham Tables 2022-06-12, 23:16
Replies: 26
Views: 10,650
Posted By VBCurtis
This "spend equal time on stage 1 and stage 2"...

This "spend equal time on stage 1 and stage 2" was pushed really hard by RDS years ago, and the paper he wrote that caused him to push this so hard itself showed stage 2 using much less time than...
Forum: PrimeNet 2022-06-12, 00:49
Replies: 10
Views: 525
Posted By VBCurtis
Work-owned machines are the primary example, yes....

Work-owned machines are the primary example, yes. Lots of folks run P95 without explicit permission from employer.
Forum: Factoring 2022-06-10, 21:05
Replies: 11
Views: 453
Posted By VBCurtis
CADO is state of the art for GNFS, and should be...

CADO is state of the art for GNFS, and should be used when possible.

So, OP: get that built, get the updated params files from the CADO subforum, and you're all set!
Forum: Factoring 2022-06-10, 20:58
Replies: 61
Views: 4,289
Posted By VBCurtis
Anyone want to remind us of the software limits...

Anyone want to remind us of the software limits for B1 or B2 with GMP-ECM? Or with the new P95 P-1?

If y'all are going to run yet another P-1 effort on this number, may as well make it the last-...
Forum: Factoring 2022-06-10, 19:12
Replies: 61
Views: 4,289
Posted By VBCurtis
It's not worth your time to increase B1 by 3%. ...

It's not worth your time to increase B1 by 3%. Add a zero, or don't bother. You'll spend 98% of your time repeating an exact calculation that was already done, with essentially zero chance to find a...
Forum: Factoring 2022-06-09, 23:51
Replies: 61
Views: 4,289
Posted By VBCurtis
Interested potential-factorers / readers may want...

Interested potential-factorers / readers may want to review the previous M1277-factoring thread: https://www.mersenneforum.org/showthread.php?t=23280
Forum: Factoring 2022-06-09, 16:40
Replies: 68
Views: 1,272
Posted By VBCurtis
I assure you this is not a software limitation-...

I assure you this is not a software limitation- I've had half a dozen machines routinely use much more than 16GB with GMP-ECM without trouble. That makes your problem quite hard to reproduce for a...
Forum: Homework Help 2022-06-09, 16:38
Replies: 24
Views: 1,101
Posted By VBCurtis
If there are only 100 to check, it doesn't matter...

If there are only 100 to check, it doesn't matter whether a program checks 1 at a time or 10 at a time; either way, you'd have an answer in less than a second as to which it is.

The program itself...
Forum: Factoring 2022-06-09, 16:32
Replies: 11
Views: 453
Posted By VBCurtis
If you're struggling with software use, we can...

If you're struggling with software use, we can help you troubleshoot but only if you give dramatically more detail- what exactly did you try to do, what command did you type, and what was the output...
Forum: Factoring 2022-06-09, 07:15
Replies: 11
Views: 453
Posted By VBCurtis
Can you be more specific about what you mean by...

Can you be more specific about what you mean by "services"?
Do you mean software packages?
Forum: NFS@Home 2022-06-08, 21:06
Replies: 20
Views: 555
Posted By VBCurtis
Your machine is plenty. A C192 should produce a...

Your machine is plenty. A C192 should produce a matrix around 30M dimensions, which ought to solve on a 24GB ram machine. My 16-core Ryzen would take 10 days or so; your machine might complete it in...
Forum: Factoring 2022-06-06, 16:27
Replies: 68
Views: 1,272
Posted By VBCurtis
B1 is a single value, not a range. B2 is *much*...

B1 is a single value, not a range. B2 is *much* larger than B1. Your example makes no sense.

Really, I mean it- consider all curves at B1 below 2e9 useless for M1277.
Forum: NFS@Home 2022-06-06, 05:48
Replies: 61
Views: 4,202
Posted By VBCurtis
13_2_927m1 is in postprocessing; 645M unique...

13_2_927m1 is in postprocessing; 645M unique relations yielded a 35M matrix at TD 116.
Forum: Factoring 2022-06-06, 05:44
Replies: 68
Views: 1,272
Posted By VBCurtis
How would we know? We don't know your hardware,...

How would we know? We don't know your hardware, what B1 bound you chose, etc. You can find out exactly how long by running a single curve with GMP-ECM and the -v flag. That -v gives you the curve...
Forum: Factoring 2022-06-05, 19:02
Replies: 61
Views: 4,289
Posted By VBCurtis
My source for 3* t65 is Ryan's post here: ...

My source for 3* t65 is Ryan's post here:
https://mersenneforum.org/showpost.php?p=560725&postcount=57

Where he believes he completed a t70 over a year ago.
3* t65 is about half a t70, so I...
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