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Search: Posts Made By: chris2be8
Forum: NFS@Home 2021-05-06, 15:40
Replies: 107
Views: 6,643
Posted By chris2be8
f13_227p1 has built a matrix. About 73 hours...

f13_227p1 has built a matrix. About 73 hours remain to solve it.

Chris
Forum: NFS@Home 2021-05-05, 08:04
Replies: 28
Views: 4,135
Posted By chris2be8
I havn't enough relations to build a decent...

I havn't enough relations to build a decent matrix, I underestimated how many duplicates it would have. From remdups:

Found 178553883 unique, 108375842 duplicate (37.8% of total), and 422 bad...
Forum: NFS@Home 2021-05-01, 16:02
Replies: 28
Views: 4,135
Posted By chris2be8
I won't try to send any more jobs this big to...

I won't try to send any more jobs this big to 14e. It may well take twice as long to solve the matrix as it would on 15e_small (using 3LP makes the matrix bigger).

As I said it's only to give the...
Forum: NFS@Home 2021-04-30, 16:03
Replies: 28
Views: 4,135
Posted By chris2be8
QUEUED AS f29_173m1r and f29_173m1a ...

QUEUED AS f29_173m1r and f29_173m1a

(29^173-1)/564781364 from the Brent tables:

# Built Thu Apr 29 19:01:17 2021
# Estimated SNFS difficulty 255, GNFS equivalent 183, GNFS difficulty 245,...
Forum: Factoring 2021-04-30, 15:49
Replies: 14
Views: 806
Posted By chris2be8
Given a GPU that can do stage 1 faster than the...

Given a GPU that can do stage 1 faster than the CPU can do stage 2 (after splitting the stage 2 runs over however many threads the CPU has) I'd treat stage 1 as nearly free and run ECM until...
Forum: NFS@Home 2021-04-29, 16:13
Replies: 130
Views: 13,396
Posted By chris2be8
QUEUED AS f22_188p1 ...

QUEUED AS f22_188p1

(22^188+1)/5231465621223738415334690473424404555090161738355171595980976454618364662233 from the Brent tables:

# Built Tue Apr 27 19:32:33 2021
# Estimated SNFS difficulty...
Forum: NFS@Home 2021-04-25, 16:02
Replies: 107
Views: 6,643
Posted By chris2be8
f94_127m1 is done: p76 factor:...

f94_127m1 is done:

p76 factor: 6474854384842002204396873224404111474771486858684459312889486569047315018269
p144 factor:...
Forum: Linux 2021-04-24, 16:01
Replies: 14
Views: 297
Posted By chris2be8
I've made extensive use of nohup. Eg (from my...

I've made extensive use of nohup. Eg (from my command history):

nohup getsmall.all.sh >>getsmall.all.log27 2>&1 & tail -f getsmall.all.log27


That runs a script I wrote myself on a system at...
Forum: NFS@Home 2021-04-21, 16:05
Replies: 107
Views: 6,643
Posted By chris2be8
f94_127m1 has built a matrix. About 83 hours...

f94_127m1 has built a matrix. About 83 hours remain to solve it.

Chris
Forum: NFS@Home 2021-04-21, 16:01
Replies: 130
Views: 13,396
Posted By chris2be8
QUEUED AS f21_191p1 ...

QUEUED AS f21_191p1

(21^191+1)/99373474468753796193205881406288903724376729452589929286796382714616586 from the Brent tables:

# Built Tue Apr 20 20:02:40 2021
# Estimated SNFS difficulty 254,...
Forum: NFS@Home 2021-04-19, 16:08
Replies: 130
Views: 13,396
Posted By chris2be8
QUEUED AS f20_194p1 ...

QUEUED AS f20_194p1

(20^194+1)/14561317396390049 from the Brent tables:

# Built Sun Apr 18 17:08:39 2021
# Estimated SNFS difficulty 254, GNFS equivalent 182, GNFS difficulty 237, degree 6
n:...
Forum: NFS@Home 2021-04-19, 16:00
Replies: 107
Views: 6,643
Posted By chris2be8
f91_128p1 is done: p62 factor:...

f91_128p1 is done:

p62 factor: 10584709642890895726985457722112843215388297318200498168087809
p129 factor:...
Forum: NFS@Home 2021-04-16, 15:37
Replies: 47
Views: 15,786
Posted By chris2be8
Which queues should be ramped up? I could queue a...

Which queues should be ramped up? I could queue a few Brent tables numbers on 14e, though I would need to sieve on both sides (I have a script to do post-processing). Or I could queue some to...
Forum: NFS@Home 2021-04-14, 16:00
Replies: 107
Views: 6,643
Posted By chris2be8
f91_128p1 has built a matrix. About 110 hours...

f91_128p1 has built a matrix. About 110 hours remain.

Chris
Forum: NFS@Home 2021-04-14, 15:57
Replies: 130
Views: 13,396
Posted By chris2be8
In this case all the odd-degree coefficients are...

In this case all the odd-degree coefficients are zero. So it doesn't matter what sign they are.

But I've just made a copy of the .poly with Y1: -1 and it still tests out OK (msieve rates it the...
Forum: NFS@Home 2021-04-11, 15:40
Replies: 130
Views: 13,396
Posted By chris2be8
QUEUED AS f17_206p1 (17^206+1)/1004612453170...

QUEUED AS f17_206p1

(17^206+1)/1004612453170 from the Brent tables:

# Built Thu Apr 8 17:20:28 2021
# Estimated SNFS difficulty 254, GNFS equivalent 184, GNFS difficulty 242, degree 6
n:...
Forum: NFS@Home 2021-04-11, 15:35
Replies: 107
Views: 6,643
Posted By chris2be8
f70_136p1 is done: p74 factor:...

f70_136p1 is done:

p74 factor: 17751359621134014159266004468490682870184827359755598080519759153898525457
p144 factor:...
Forum: YAFU 2021-04-10, 15:58
Replies: 16
Views: 647
Posted By chris2be8
For NFS a lot of the messages come from msieve...

For NFS a lot of the messages come from msieve (yafu calls it to do the linear algebra). Downloading a current version of msieve and reading the Readme files that come with it will help.

The...
Forum: NFS@Home 2021-04-07, 15:46
Replies: 107
Views: 6,643
Posted By chris2be8
f70_136p1 has built a matrix. About 85 hours...

f70_136p1 has built a matrix. About 85 hours remain so I should have a result on Sunday.

Chris
Forum: Factoring 2021-04-07, 15:40
Replies: 23
Views: 873
Posted By chris2be8
Did YAFU run ECM before it started GNFS? Telling...

Did YAFU run ECM before it started GNFS? Telling yafu to factor a number will make it look for small factors with ECM etc before resorting to QS or GNFS. That's a waste of time if you know the number...
Forum: Factoring 2021-04-06, 15:42
Replies: 23
Views: 873
Posted By chris2be8
I think pol5 was written as part of ggnfs. But...

I think pol5 was written as part of ggnfs. But you would be better off using msieve for polynomial selection today. In fact all you need is the lattice sievers, msieve and a current driver script...
Forum: mersenne.ca 2021-04-06, 15:35
Replies: 620
Sticky: mersenne.ca
Views: 71,948
Posted By chris2be8
A PM to bsquared asking how to do it will...

A PM to bsquared asking how to do it will probably get you further. He wrote YAFU.

Chris
Forum: NFS@Home 2021-04-02, 15:48
Replies: 130
Views: 13,396
Posted By chris2be8
QUEUED AS f13_227p1 ...

QUEUED AS f13_227p1

(13^227+1)/48914381958910035231989580698779555090073247829617043348724152238 from the Brent tables:

# Built Thu Apr 1 17:42:30 2021
# Estimated SNFS difficulty 254, GNFS...
Forum: Information & Answers 2021-04-02, 15:24
Replies: 7
Views: 418
Posted By chris2be8
Try !ls -l '/content/drive/My...

Try !ls -l '/content/drive/My Drive/gpuowl/gpuowlbuilded/gpuowl/tools/expand.py' before the chmod 777. That should tell you what it's permissions really are.

And run !ls -l '/content/drive/My...
Forum: YAFU 2021-03-24, 16:55
Replies: 62
Views: 30,123
Posted By chris2be8
What is the first digit of RSA100 compared to...

What is the first digit of RSA100 compared to your C100's? If it starts with 8 or 9 and yours mostly start with a smaller digit that would explain it. (I'm assuming they are all the same number of...
Showing results 1 to 25 of 1000

 
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