Fast Breeding (guru management) - Page 30

wblipp · 2015-12-01, 20:24

Quote:

Originally Posted by chris2be8

I can think of quite a few, such as these Oddperfect related numbers ... no idea if they have had enough ECM run against them

Based on ECM known to me, no OPN composite in the SNFS 26x range is ready for SNFS. I'll see about changing that for the next time.

swellman · 2015-12-01, 20:38

Aliquot 4788.i5241 is a C175 GNFS job. Yoyo@Home ran it up to t55 and a poly is here. Can this be put into the queue for 14e?

Was it determined what happened to C222_117_100?

fivemack · 2015-12-02, 00:18

I really think a C175 is better-treated as an easy 15e job than as an inefficient 14e job, and the 14e queue is long enough that I don't think it'll even be delayed too long if I put it to 15e. Unless you disagree quite strongly I'll push 4788.i5241 to 15e tomorrow afternoon.

Dubslow · 2015-12-02, 06:17

Quote:

Originally Posted by chris2be8

I can think of quite a few, such as these Oddperfect related numbers in the most wanted list with particularly large weights:
(4051^71-1)/4050
(4091^71-1)/4090

Sadly, I've no idea if they have had enough ECM run against them. And the difficulty is a bit low although the largish coefficients will make them seem harder.

Chris

If NFS@Home is willing to take these, I say lets reserve them and ECM them ourselves (or maybe yoyo@home if they feel so inclined).

I'll start ECMing the smaller number from t30.

debrouxl · 2015-12-02, 19:14

Yeah, GNFS 175 is not suitable for 14e.
Look at C171_842592_8031: sieving with 31-bit LPs, on the 20M-340M range, is going to yield less than 218M raw relations. Those may well prove insufficient, as the duplicate ratio is usually above 20% on such numbers; maybe the range will have to be expanded by at least 20M.

fivemack · 2015-12-03, 10:28

C175_4788_5241 queued; test sieving suggested it only needs 20M-100M with 32-bit LP and 15e, but it'll be a few weeks before the things in the queue in front of it go through.

swellman · 2015-12-06, 18:45

This aliquot seems to have fallen through the cracks.

wblipp · 2015-12-09, 17:45

Odd Perfect has had many 14e factorizations recently - please bump any other projects ahead of it. But rather than let the queue empty, here are six more that are ready

1373^79-1 ecm to 2/9 by Oscar aka Lorgix and yoyo@home
1847^71-1 ecm to 2/9 by Oscar aka Lorgix and yoyo@home
2027^71-1 ecm to 2/9 by Oscar aka Lorgix and yoyo@home
8821_61M.C181 ecm to 2/9 by yoyo@home
11119^61-1 ecm to 2/9 by yoyo@home
C161 from P170+1 ecm to 2/9 by yoyo@home

P170 comes from P41^7-1
P41 comes from P47^3-1
P47 comes from P49^3-1
P49 comes from 11^179-1

RichD · 2015-12-11, 19:54

Quote:

Originally Posted by wblipp

C161 from P170+1 ecm to 2/9 by yoyo@home

P170 comes from P41^7-1
P41 comes from P47^3-1
P47 comes from P49^3-1
P49 comes from 11^179-1

Two to choose from:

Code:

N: 29098478080289158068083497805950563578042769980083366041974722683133310968377034283290491748967684909079565264708316168721801984473190295279824178763859676212821
# expecting poly E from 1.18e-12 to > 1.35e-12
R0: -5231298467686916095857913451281
R1: 682002151318721
A0: -1649734815347861572776647047896592664
A1: -20222051203330131418892213211696
A2: 61139540132904204844563524
A3: 65969819890460569729
A4: -30807379519792
A5: 7427160
# skew 1058093.95, size 1.162e-15, alpha -6.935, combined = 1.243e-12 rroots = 3

Code:

N: 29098478080289158068083497805950563578042769980083366041974722683133310968377034283290491748967684909079565264708316168721801984473190295279824178763859676212821
# expecting poly E from 1.18e-12 to > 1.35e-12
R0: -4759382182206738053494188052267
R1: 2891779695447493
A0: 92321215480037303595821274458492067360
A1: 121664102564294699442982960508336
A2: 28157683075762522907049790
A3: -96429722384843787967
A4: -31291375432164
A5: 11915640
# skew 2062639.49, size 1.148e-15, alpha -7.427, combined = 1.228e-12 rroots = 3

swellman · 2015-12-16, 16:15

Quote:

Originally Posted by fivemack

I don't think more ECM on 128_95 is particularly necessary; I just think it's big enough that it will be handled more efficiently on the 15e queue, and I thought we were discussing options for 14e.

Can we revisit C211_126_95 for the 15e queue?

The poly is given here. It has survived 0.4t55. Thanks for considering it.

fivemack · 2015-12-16, 18:45

C211_128_95 added to 15e queue

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2015-12-01, 20:38	#321
swellman Jun 2012 11·281 Posts	Aliquot 4788.i5241 is a C175 GNFS job. Yoyo@Home ran it up to t55 and a poly is here. Can this be put into the queue for 14e? Was it determined what happened to C222_117_100?

2015-12-02, 00:18	#322
fivemack (loop (#_fork)) Feb 2006 Cambridge, England 2³·11·73 Posts	I really think a C175 is better-treated as an easy 15e job than as an inefficient 14e job, and the 14e queue is long enough that I don't think it'll even be delayed too long if I put it to 15e. Unless you disagree quite strongly I'll push 4788.i5241 to 15e tomorrow afternoon.

2015-12-02, 19:14	#324
debrouxl Sep 2009 3D1₁₆ Posts	Yeah, GNFS 175 is not suitable for 14e. Look at C171_842592_8031: sieving with 31-bit LPs, on the 20M-340M range, is going to yield less than 218M raw relations. Those may well prove insufficient, as the duplicate ratio is usually above 20% on such numbers; maybe the range will have to be expanded by at least 20M.

2015-12-03, 10:28	#325
fivemack (loop (#_fork)) Feb 2006 Cambridge, England 2³×11×73 Posts	C175_4788_5241 queued; test sieving suggested it only needs 20M-100M with 32-bit LP and 15e, but it'll be a few weeks before the things in the queue in front of it go through.

2015-12-06, 18:45	#326
swellman Jun 2012 11·281 Posts	This aliquot seems to have fallen through the cracks.

2015-12-09, 17:45	#327
wblipp "William" May 2003 New Haven 4476₈ Posts	Odd Perfect has had many 14e factorizations recently - please bump any other projects ahead of it. But rather than let the queue empty, here are six more that are ready 1373^79-1 ecm to 2/9 by Oscar aka Lorgix and yoyo@home 1847^71-1 ecm to 2/9 by Oscar aka Lorgix and yoyo@home 2027^71-1 ecm to 2/9 by Oscar aka Lorgix and yoyo@home 8821_61M.C181 ecm to 2/9 by yoyo@home 11119^61-1 ecm to 2/9 by yoyo@home C161 from P170+1 ecm to 2/9 by yoyo@home P170 comes from P41^7-1 P41 comes from P47^3-1 P47 comes from P49^3-1 P49 comes from 11^179-1

2015-12-16, 18:45	#330
fivemack (loop (#_fork)) Feb 2006 Cambridge, England 1100100011000₂ Posts	C211_128_95 added to 15e queue