Fast Breeding (guru management) - Page 114

RichD · 2017-11-19, 19:54

QUEUED C234 from the OPN t550 file.

Code:

n: 192725867705281441525422889055874800038730686963150842195186929960063554570954596119192099155454242274711160217973873268914104211869366025364433125210927731166921460514305468408668147540169745569255416611247531861982750938848048344937
# 548557^43-1, difficulty: 247
skew: 0.111
c6: 548557
c0: -1
Y1: -1
Y0: 14946941317954647098399465749938128278693
m: 14946941317954647098399465749938128278693
type: snfs
rlim: 268000000
alim: 268000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 62
rlambda: 2.6
alambda: 2.6

Trial sieving 5K blocks.

Code:

swellman · 2017-11-20, 12:54

BOTH QUEUED
Both composites ready for 15e.

C208_146_108

Code:

n: 8414544949610480087306820066215673720226841324032450527613483247157392225347635545646406784450140342629596680485411656121603175268186521238344925011932096318510993049991757962088985602113261639283309214580381
# 146^108+108^146, difficulty: 266.28, anorm: 8.00e+036, rnorm: -9.14e+049
# scaled difficulty: 268.45, suggest sieving rational side
# size = 4.811e-013, alpha = 0.000, combined = 6.713e-014, rroots = 0
type: snfs
size: 266
skew: 1.5874
c6: 1
c0: 16
Y1: -72569054457551277306070102726464297397911552
Y0: 3465863721549107204083472585375569
rlim: 268000000
alim: 268000000
lpbr: 32
lpba: 32
mfbr: 64
mfba: 64
rlambda: 2.8
alambda: 2.8

Test sieving on the -r side with Q in blocks of 2K.

Code:

20M    6356
80M    4492
150M   4390
250M   4001

Suggesting a sieving range for Q of 20M-225M with target # rels=480M.

C202_148_51

Code:

n: 7922987143853894905138057630216193925603656368032297800265770473288499188012099118185426869055236702593043364496139462525676431457515953058394358217932941569705673985279405711866815675421145749902512897
# 148^51+51^148, difficulty: 257.09, anorm: 6.89e+040, rnorm: 5.94e+047
# scaled difficulty: 258.25, suggest sieving rational side
# size = 1.900e-013, alpha = 0.000, combined = 3.710e-014, rroots = 0
type: snfs
size: 257
skew: 13.0942
c5: 1
c0: 384948
Y1: 5042166166892418433024
Y0: -1686961934066707040236155036109474174986501789839001
rlim: 268000000
alim: 268000000
lpbr: 32
lpba: 32
mfbr: 64
mfba: 64
rlambda: 2.8
alambda: 2.8

Test sieving on the -r side with Q in blocks of 2K

Code:

Q=20M    3332
Q=60M    3952
Q=100M   4318
Q=150M   4015
Q=200M   4493
Q=250M   4348

Suggesting a sieving range for Q of 20M-250M with a target # relations of 480M.

VBCurtis · 2017-11-20, 16:38

Quote:

Originally Posted by swellman

Test sieving on the -r side with Q in blocks of 2K

Code:

Q=20M    3332
Q=60M    3952
Q=100M   4318
Q=150M   4015
Q=200M   4493
Q=250M   4348

Suggesting a sieving range for Q of 20M-250M with a target # relations of 480M.

Go where the yield is best -> 50-280M looks better, since the yield below 60M looks thin (compared to yield at 250M).

RichD · 2017-11-20, 17:18

Can we get a few relations on 6867^67-1 (15e)? YES

8081^67-1 (15e) had 240M relations and built a matrix at TD=120 (124 not) with an ETA of 260 hours (-t 4).

RichD · 2017-11-21, 22:31

PLEASE REPOST WITH CORRECT ALIM/RLIM AND I'LL QUEUE THAT ONE

P55.62226_5M.C201 from the OPN t800 file.
a.k.a. Phi_5(Phi_7(Phi_31(7)/311*21143)/29*197*701*2437*33797*414457*2574587*1867616469677438263621087036067)

Code:

n: 113288552660300779040173859677762891079520612456125983279252278101224791436792841447950023187340039268585938328283134031816371710009802618891070652590043351335983098163881376904862115197880457570408711
# 6222648624384545900485568946851528214367103431174781851^5-1, difficulty: 219.18, skewness: 1.00, alpha: 1.45
# cost: 7.18759e+17, est. time: 342.27 GHz days (not accurate yet!)
skew: 1.000
c4: 1
c3: 1
c2: 1
c1: 1
c0: 1
Y1: -1
Y0: 6222648624384545900485568946851528214367103431174781851
m: 6222648624384545900485568946851528214367103431174781851
type: snfs
rlim: 26800000
alim: 26800000
lpbr: 32
lpba: 32
mfbr: 64
mfba: 64
rlambda: 2.8
alambda: 2.8

Trial sieving 5K blocks.

Code:

RichD · 2017-11-21, 23:08

QUEUED AS C168_791xx431_13 C168 from the OPN t600 file.
a.k.a. Phi_13(Phi_5(Phi_13(17)/212057)/41*31*1708293108577921)

Code:

n: 241722911654233570080051620977099027042596516409392478447814954488548006970606293896114708841977676699433250709432263748851204254475893660010530354325387459729127338819
# 7914727876080437431^13-1, difficulty: 226.78, skewness: 1.00, alpha: 3.10
# cost: 1.33878e+18, est. time: 637.51 GHz days (not accurate yet!)
skew: 1.000
c6: 1
c5: 1
c4: -5
c3: -4
c2: 6
c1: 3
c0: -1
Y1: -7914727876080437431
Y0: 62642917352404752130825523292305879762
m: 101291612786764653205825427030419713514518890179483249061713161358540150530231227884003325433249914285656027621721344963873834798160864026553143637993358607830226005727
type: snfs
rlim: 67000000
alim: 67000000
lpbr: 30
lpba: 30
mfbr: 60
mfba: 60
rlambda: 2.6
alambda: 2.6

Trial sieving 5K blocks.

Code:

 Q  Yield
20M 13437
50M 10191
80M  8344

VBCurtis · 2017-11-22, 01:22

Quote:

Originally Posted by RichD

P55.62226_5M.C201 from the OPN t800 file.
a.k.a. Phi_5(Phi_7(Phi_31(7)/311*21143)/29*197*701*2437*33797*414457*2574587*1867616469677438263621087036067)

I think you meant to make the lims 268M rather than 26.8M.

RichD · 2017-11-22, 02:17

Quote:

Originally Posted by VBCurtis

I think you meant to make the lims 268M rather than 26.8M.

Thanks for the catch. This should have been an easy 31-bit job but I couldn't get a decent yield. Back to the drawing board.

RichD · 2017-11-22, 16:42

FINALLY QUEUED 09-Jan-2018, SORRY
P55.62226_5M.C201 from the OPN t800 file.
a.k.a. Phi_5(Phi_7(Phi_31(7)/311*21143)/29*197*701*2437*33797*414457*2574587*1867616469677438263621087036067)

Code:

n: 113288552660300779040173859677762891079520612456125983279252278101224791436792841447950023187340039268585938328283134031816371710009802618891070652590043351335983098163881376904862115197880457570408711
# 6222648624384545900485568946851528214367103431174781851^5-1, difficulty: 219.18, skewness: 1.00, alpha: 1.45
# cost: 7.18759e+17, est. time: 342.27 GHz days (not accurate yet!)
skew: 1.000
c4: 1
c3: 1
c2: 1
c1: 1
c0: 1
Y1: -1
Y0: 6222648624384545900485568946851528214367103431174781851
m: 6222648624384545900485568946851528214367103431174781851
rlim: 67000000
alim: 67000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 62
rlambda: 2.6
alambda: 2.6

Trial sieving 5K blocks.

Code:

Perhaps start with Q=30M.

RichD · 2017-11-22, 18:40

Additional data points for the above C201.

Code:

  Q  Yield
 30M  5108
250M  4971

Time played more of a helper role in these parameters.

VBCurtis · 2017-11-22, 18:53

I propose Two Golden Rules of 14e queue parameter choice:
1. Choose lim's such that your forecasted sieve range ends before 2 * {lim on the sieving side}. You don't have to choose a power-of-two lim: 140M is not a fast choice (just above a power-of-two), but there's nothing wrong with using 180M or 100M.
2. Choose LP bound such that average yield (specifically, relations divided by Q-range) is 2.0 or higher.

It's really unlikely to go wrong when following these two rules, and rarely faster to violate either of them.

2017-11-20, 17:18	#1247
RichD Sep 2008 Kansas 3,391 Posts	Can we get a few relations on 6867^67-1 (15e)? YES 8081^67-1 (15e) had 240M relations and built a matrix at TD=120 (124 not) with an ETA of 260 hours (-t 4). Last fiddled with by fivemack on 2017-11-20 at 17:33

2017-11-22, 18:40	#1253
RichD Sep 2008 Kansas D3F₁₆ Posts	C201 more data points Additional data points for the above C201. Code: Q Yield 30M 5108 250M 4971 Time played more of a helper role in these parameters.

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2017-11-22, 18:53	#1254
VBCurtis "Curtis" Feb 2005 Riverside, CA 11412₈ Posts	I propose Two Golden Rules of 14e queue parameter choice: 1. Choose lim's such that your forecasted sieve range ends before 2 * {lim on the sieving side}. You don't have to choose a power-of-two lim: 140M is not a fast choice (just above a power-of-two), but there's nothing wrong with using 180M or 100M. 2. Choose LP bound such that average yield (specifically, relations divided by Q-range) is 2.0 or higher. It's really unlikely to go wrong when following these two rules, and rarely faster to violate either of them.