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Forum: YAFU 2021-04-11, 16:18
Replies: 15
Views: 511
Posted By bur
I just continued NFS sieving from another...

I just continued NFS sieving from another computer that ran yafu 1.34 on an different computer with the new yafu2 build and so far everything runs smoothly, no bugs encountered.
Forum: YAFU 2021-04-11, 05:43
Replies: 12
Views: 356
Posted By bur
charybdis, thanks, I think I got it now. ...

charybdis, thanks, I think I got it now.


I'll also have a look at the readme.
Forum: YAFU 2021-04-10, 20:45
Replies: 2
Views: 88
Posted By bur
Ok, thanks.

Ok, thanks.
Forum: YAFU 2021-04-10, 16:08
Replies: 15
Views: 511
Posted By bur
Ok, thanks. I didn't get an error message, so I...

Ok, thanks. I didn't get an error message, so I thought it was different.
Forum: YAFU 2021-04-10, 10:36
Replies: 2
Views: 88
Posted By bur
Tell yafu to start with specific B1 for ECM

I want to force yafu to start ECM with B1 = 1000000 but it just ignores my attempts.


I tried yafu factor(number) -B1ecm 1000000 and also setting the respective value in yafu.ini but it always...
Forum: YAFU 2021-04-10, 08:52
Replies: 12
Views: 356
Posted By bur
commencing square root phase reading relations...

commencing square root phase
reading relations for dependency 1
read 182232 cycles
cycles contain 637316 unique relations
read 637316 relations
multiplying 637316 relations
multiply complete,...
Forum: Proth Prime Search 2021-04-10, 06:52
Replies: 10
Views: 1,128
Posted By bur
No new primes for n < 3,200,000 So I at...

No new primes for n < 3,200,000


So I at least updated the stats:

Largest n in progress = 3,575,000
# of digits = 1,075,000 (rank: ~ 405)
FFT size = 386k
Avg. time = 4230 s
Forum: YAFU 2021-04-10, 04:47
Replies: 15
Views: 511
Posted By bur
When running yafu tune(), this is all that...

When running yafu tune(), this is all that happens:

>yafu-x64.exe tune()


checking for NFS sievers... done.

starting SIQS on c60:...
Forum: YAFU 2021-04-07, 20:33
Replies: 13
Views: 272
Posted By bur
To me this sounds like using these options is a...

To me this sounds like using these options is a good idea regardless of the problem?

I remember I also saw poly times way above the deadline and wondered why that was the case. I'm running Windows...
Forum: YAFU 2021-04-07, 17:34
Replies: 12
Views: 356
Posted By bur
Thanks a lot guys, that is some great reading....

Thanks a lot guys, that is some great reading. You know someone really understood a topic if they can explain the basics in very simple terms. Reading it put a smile to my face both due to finally...
Forum: YAFU 2021-04-05, 07:13
Replies: 12
Views: 356
Posted By bur
Explanation for yafu output

There are some things I wonder about, is there a simple explanation what's going on? I know this isn't strictly yafu, but I hope this is still the most fitting subforum.

Feel free to explain any...
Forum: Factoring 2021-04-03, 10:05
Replies: 30
Views: 6,330
Posted By bur
While doing aliquot factoring I came across this...

While doing aliquot factoring I came across this humble C114 = P57 * P57:

140257568274260684468077810723210454538642881063207195453406733448965467421304070266933449577747915090059669116521
=...
Forum: Aliquot Sequences 2021-04-02, 05:04
Replies: 3,439
Views: 316,559
Posted By bur
Take 30081984

Take 30081984
Forum: Aliquot Sequences 2021-04-02, 05:02
Replies: 9
Views: 319
Posted By bur
Thanks for the help, I didn't know that about...

Thanks for the help, I didn't know that about CADO.


By chance I noticed 30081984 was stuck at n=903 with a C101 which turned out to be near brilliant with P49 and P52. So I'll continue that one...
Forum: Factoring 2021-04-01, 18:32
Replies: 18
Views: 490
Posted By bur
I'm not new to Linux, I installed Debian out of...

I'm not new to Linux, I installed Debian out of curiosity in the late 90s, but in those times it was really hard. I think I never got ISDN to work and finally gave up. A few years later I had Gentoo...
Forum: Factoring 2021-04-01, 17:28
Replies: 18
Views: 490
Posted By bur
Linux or Windows?

I'll get a new computer that I plan to use for factoring and occasional ECM-PP, otherwise the OS doesn't really matter. Additionally, it will come with Ubuntu pre-installed.



So, strictly for...
Forum: Factoring 2021-04-01, 15:10
Replies: 26
Views: 22,200
Posted By bur
Are the Windows binaries from post #3 still the...

Are the Windows binaries from post #3 still the newest ones available?
Forum: YAFU 2021-04-01, 15:05
Replies: 491
Views: 62,892
Posted By bur
Thanks, I suspected that was possible, but hasn't...

Thanks, I suspected that was possible, but hasn't checked yet.
Forum: YAFU 2021-04-01, 11:03
Replies: 491
Views: 62,892
Posted By bur
After using more suitable search terms I found...

After using more suitable search terms I found these posts (https://mersenneforum.org/showthread.php?p=316857&highlight=rels0.dat#post316857).

Then with the help of this...
Forum: YAFU 2021-04-01, 09:52
Replies: 491
Views: 62,892
Posted By bur
I was factoring a (more-or-less) random C110 from...

I was factoring a (more-or-less) random C110 from factordb when during the NFS stage this happened:

33480 100265208893 1203362500562179225106
hashtable: 1024 entries, 0.02 MB
elapsed time of...
Forum: FactorDB 2021-03-31, 07:54
Replies: 5
Views: 5,960
Posted By bur
I was going through "random 1000 small...

I was going through "random 1000 small composites" list and so far all numbers were factors of 100 digit composites that were created March, 28th. I remember a while back the same thing was the case,...
Forum: Aliquot Sequences 2021-03-29, 16:20
Replies: 9
Views: 319
Posted By bur
Thanks, it seemed to me as if special knowledge...

Thanks, it seemed to me as if special knowledge which parameters to choose for ECM or NFS were required. But I guess that is only the case for stubborn "roadblock" type composites?
Forum: Aliquot Sequences 2021-03-29, 11:26
Replies: 9
Views: 319
Posted By bur
Does it make sense to participate casually?

Form what I read here it seems that most sequences are at a point where the factorization got so hard, that it's not just fed into yafu but rather a lot of thought is given and various tools are...
Forum: Factoring 2021-03-28, 15:00
Replies: 12
Views: 589
Posted By bur
I think I got it now, hopefully, I need to put...

I think I got it now, hopefully, I need to put those lines into worktodo.add?


And how do I know whether P-1 is most efficient or ECM? yafu seems to jump back and forth between them.
Forum: Factoring 2021-03-27, 18:24
Replies: 12
Views: 589
Posted By bur
Thanks, that's both good to know. Now...

Thanks, that's both good to know.


Now some technical questions, I added the lines to worktodo.txt and Prime95 startet work, but it apparently wasn't contacting primenet to get an ID. It didn't...
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