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 2022-04-13, 11:25 #45 swellman     Jun 2012 26·59 Posts C214_M31_k70 (kosta project) QUEUED AS C214_M31_k70 C214_M31_k70 is a composite from the kosta project. It has a SNFS difficulty 279 and is ready to sieve after extensive ECM (~t63). Code: n: 1952329202661866602684979956787714136482531226833055496710056683028658100012799836257527350037275596384189190550132825485135466639172655355292471161449599261594798638028373903096628381188057821540414523320973594741 skew: 1.000 type: snfs size: 279 # M31^70-1 c6: 1 c5: -1 c4: 1 c3: -1 c2: 1 c1: -1 c0: 1 Y1: 1 Y0: -45671926060252476630107084286792841360213803007 rlim: 134000000 alim: 316000000 lpbr: 33 lpba: 32 mfbr: 96 mfba: 64 rlambda: 3.7 alambda: 2.8 Results of test sieving on the rational side with Q in blocks of 1000: Code: MQ Norm_yield Speed (sec/rel) 40 3043 0.326 70 2813 0.382 100 2281 0.458 150 2102 0.485 200 1889 0.573 250 1793 0.549 300 1594 0.620 350 1473 0.638 400 1478 0.662 450 1469 0.681 Suggesting a sieving range for Q of 38-406M to generate 710M+ raw relations. Last fiddled with by swellman on 2022-04-13 at 13:16
 2022-04-13, 11:31 #46 swellman     Jun 2012 73008 Posts 7+5,875M QUEUED AS 7p5_875M 7+5,875M is a c194 HCN with over 32,800 curves @B1=260M worth of ECM. It is best sieved via GNFS, poly courtesy of Gimarel. Code: n: 55112310115111956757277727474513727827111189285688158207119267440141265902631103052776687327960482210352168983939501786317489711578608150510910894863199686011218745882236632058521265267807114001 # norm 6.940135e-19 alpha -7.982099 e 1.231e-14 rroots 5 skew: 37906317.50 c0: 1264506838135248698842300648254931582009401111 c1: 456112891810871136813473303772884041683 c2: 19367692612740432638773547903962 c3: -1003683725088047665592395 c4: -9445504706667225 c5: 174636000 Y0: -12584123461707475173700174042146416326 Y1: 6527260563788145114281 rlim: 266000000 alim: 134000000 lpbr: 33 lpba: 33 mfbr: 66 mfba: 96 rlambda: 3.0 alambda: 3.7 Results from test sieving on the algebraic side with Q in blocks of 1000: Code: MQ Norm_yield Speed (sec/rel) 30 3061 0.249 40 3214 0.233 60 3150 0.270 90 2942 0.306 130 2892 0.291 170 2575 0.327 220 2422 0.325 270 2327 0.359 320 2098 0.433 Suggesting a sieving range for Q of 34-300M to generate 710M raw relations. Last fiddled with by swellman on 2022-04-13 at 15:09
 2022-04-13, 12:56 #47 RichD     Sep 2008 Kansas 2×32×11×19 Posts QUEUED AS 263_109m1 C210 from the OPN t600 file. Code: n: 119378303255121993463685600980476156220725986323024296040055247696074345272217382718547075638973848027802367875035971616475401596194379087728177888467708994744635670713451092836962799161791460706164610269669263 # 263^109-1, difficulty: 263.78, skewness: 0.40, alpha: 0.00 # cost: 2.33776e+19, est. time: 11132.18 GHz days (not accurate yet!) skew: 0.395 c6: 263 c0: -1 Y1: -1 Y0: 36241275390490156321969476908188680082654129 type: snfs rlim: 134000000 alim: 268000000 lpbr: 31 lpba: 32 mfbr: 62 mfba: 93 rlambda: 2.7 alambda: 3.5 Trial sieving 5K blocks. Code:  Q Yield 30M 11451 60M 10475 100M 9859 200M 7958 Last fiddled with by swellman on 2022-04-13 at 13:13
 2022-04-14, 16:32 #48 VBCurtis     "Curtis" Feb 2005 Riverside, CA 126668 Posts May I have another 10MQ for 13_2_923m1_1? I built a matrix, but it's 31M size. Just ~20M more relations should knock that down by 10% or so. Done. Good luck! Last fiddled with by swellman on 2022-04-14 at 17:14
 2022-04-17, 11:17 #49 swellman     Jun 2012 26·59 Posts QUEUED AS 4p3_1419M 4+3,1419M is another HCN which recently completed ECM to a full t60. It is a c193 best factored using GNFS on 15e. Code: n: 3635833645285890503774430360300931997563942166818878698470778130472201448077707828988701265983150642294120099843056509914570076077815223469195582633677206190672411349418942440476243780135988867 skew: 11478304.86 type: gnfs lss: 0 c0: 18332085763527668347488624994572972713692956 c1: -1964088605331743841690504695204132347 c2: -1989754538318396784719533567394 c3: 251030333476298098275743 c4: 19467133836574770 c5: 44024400 Y0: -15252902260980433666785884566655199746 Y1: 11766516861230576708221403 # MurphyE (Bf=8.590e+09,Bg=4.295e+09,area=2.684e+16) = 1.149e-08 # cownoise: 1.31080499e-14 rlim: 266000000 alim: 134000000 lpbr: 33 lpba: 33 mfbr: 66 mfba: 96 rlambda: 3.0 alambda: 3.7 Results of test sieving on the algebraic side with Q in blocks of 1000: Code: MQ Norm_yield Speed (sec/rel) 30 2866 0.374 50 2780 0.387 70 2783 0.423 100 2575 0.472 150 2477 0.467 200 2349 0.485 250 2067 0.568 300 1936 0.601 350 1815 0.602 450 1782 0.592 Suggesting a seiving range for Q of 28-460M to generate 950M raw relations. Last fiddled with by swellman on 2022-04-26 at 03:37
2022-04-18, 05:04   #50
VBCurtis

"Curtis"
Feb 2005
Riverside, CA

10101101101102 Posts

Quote:
 Originally Posted by VBCurtis May I have another 10MQ for 13_2_923m1_1? I built a matrix, but it's 31M size. Just ~20M more relations should knock that down by 10% or so. Done. Good luck!
Just right! New matrix 27.5M size, it's running now.

I'm test sieving the next candidate in this sequence: 13*2^927-1. I'm surprised to find 16e still slower than 15e, which means I'll have at least one more job for 15e before I shift to f-small.

 2022-04-21, 00:11 #51 unconnected     May 2009 Moscow, Russia 1011001010112 Posts QUEUED AS C192_785232_11564 C192 from 785232:i11564 for 15e queue. Thanks Gimarel for the poly! Code: n: 352877742600973079835183371695411433700853057958818602576415399270295381830689655616389775032026933352863953179853062837564251029973458211102638237510254736154595759284806157937293481849369639 # norm 1.240318e-18 alpha -7.532287 e 1.760e-14 rroots 5 skew: 11166512.66 c0: 44549465986335687101170388652004286183559000 c1: 1859383291756161743996868361630553379 c2: -2480181312007428947856509788106 c3: -32775893275167804691699 c4: 27296412874693386 c5: 158760000 Y0: -5365159453367507252900879330459589554 Y1: 216465220778528055553 rlim: 268000000 alim: 134000000 lpbr: 33 lpba: 33 mfbr: 66 mfba: 96 rlambda: 3.0 alambda: 3.7 type: gnfs lss: 0 Suggesting sieve range is 40M-370M. Last fiddled with by swellman on 2022-04-21 at 02:09
 2022-04-26, 00:40 #52 RichD     Sep 2008 Kansas 2×32×11×19 Posts QUEUED AS 221110919_31m1 C251 from the OPN t600 file. Code: n: 21792431575176368243588492306982102808608969717219073321094015947424641078855331472746624382048029251258342186184468222014200747417410696344214107228128038711085449135946998564637323939030264039293615589147657843165433405132634603388419985502235696201 # 221110919^31-1, difficulty: 258.68, skewness: 0.04, alpha: 0.00 # cost: 1.60069e+19, est. time: 7622.35 GHz days (not accurate yet!) skew: 0.041 c6: 221110919 c0: -1 Y1: -1 Y0: 528507248655466802195875764413158538370599 type: snfs rlim: 134000000 alim: 268000000 lpbr: 32 lpba: 32 mfbr: 64 mfba: 93 rlambda: 2.7 alambda: 3.5 Trial sieving 5K blocks. Code:  Q Yield 30M 11476 60M 9859 100M 9629 200M 7874 280M 6865 Last fiddled with by swellman on 2022-04-26 at 01:44
 2022-05-05, 22:29 #53 swellman     Jun 2012 26·59 Posts QUEUED AS C251_148_65 C251_148_65 is from the XYYXF project which recently finished t60+ worth of ECM. It is a SNFS 268 with a quintic polynomial, as the sextic has large coefficients with slow/poor yield. I initially tested this as a 32/32 job but the yield was not great and so I went with 33/32 on 15e. Code: n: 24093437591862324072006591133607504709664180441830498359198936050306486448576238045381893153843698742226087245180176164799727294261589607771668847750318269005794782528271049098527934410477746612333833468602812754849966786693736559194219560524974288109 skew: 5.311 type: snfs size: 268 c5: 1 c0: 4225 Y1: 16345653942502506936829739008 Y0: -2440061088325404525157577761293434537947177886962890625 rlim: 134000000 alim: 266000000 lpbr: 33 lpba: 32 mfbr: 96 mfba: 64 rlambda: 3.5 alambda: 2.8 Results of test sieving on the rational side with Q in blocks of 1000: Code: MQ Norm_yield Speed (sec/rel) 40 2108 0.387 70 2171 0.447 100 2438 0.392 150 2368 0.470 200 2175 0.523 250 2084 0.524 300 1916 0.527 350 1883 0.515 400 1857 0.521 Suggesting a sieving range for Q of 40-375M to generate 710+ raw relations. Last fiddled with by swellman on 2022-05-05 at 22:32
 2022-05-10, 11:43 #54 swellman     Jun 2012 EC016 Posts QUEUED AS 10p3_262 10+3,262 is another HCN just finished with ECM. It is a sextic which does not quite fit in 15e_small, so 15e it is. Code: n: 442630200987532780617589648485555485465977080278495060367537180434494788962953910520847785123767155656367666216702871242689848232821251417173993770661734088049355014649573130654367807661292321317 skew: 0.7469 type: snfs size: 262 c6: 144 c0: 25 Y1: -984770902183611232881 Y0: 50000000000000000000000000000000000000000000 rlim: 134000000 alim: 266000000 lpbr: 31 lpba: 31 mfbr: 91 mfba: 62 rlambda: 3.4 alambda: 2.7 Results of test sieving on the rational side with Q in blocks of 1000: Code: MQ Norm_yield Speed (sec/rel) 40 2082 0.533 70 1763 0.501 100 1592 0.594 150 1331 0.700 200 1236 0.710 230 1128 0.785 Suggesting a sieving range for Q of 40-215M to generate 260M raw relations. Last fiddled with by swellman on 2022-05-10 at 14:16 Reason: Typo
 2022-05-13, 23:55 #55 VBCurtis     "Curtis" Feb 2005 Riverside, CA 2×7×397 Posts QUEUED AS 13_2_927m1 13*2^927-1 is ready for 15e: Code: n: 2235674468323154824159703065540694727041982607299580374662199547817173290910517586054765142118605487539993150389456022672912615874081651170714180695574463031073456448704152071156814594736108230576795563252950552629439170084678161604019 type: snfs skew: 0.48 deg: 6 c6: 104 c0: -1 Y1: -1 Y0: 22835963083295358096932575511191922182123945984 rlim: 134000000 alim: 266000000 lpbr: 33 lpba: 33 mfbr: 96 mfba: 66 rlambda: 3.6 alambda: 2.5 Test-sieving Q=1k intervals indicates a sieve range of Q=25-355M should yield ~875M relations: Code: #Q=20M 4153 rels, 0.254 sec/rel #Q=50M 3888 rels, 0.296 sec/rel #Q=80M 3173 rels, 0.318 sec/rel #Q=110M 3126 rels, 0.384 sec/rel #Q=140M 2846 rels, 0.377 sec/rel #Q=170M 2065 rels, 0.437 sec/rel 42 spq #Q=200M 2547 rels, 0.438 sec/rel 55 spq #Q=230M 2244 rels, 0.478 sec/rel 51 spq #Q=260M 2376 rels, 0.441 sec/rel #Q=290M 2229 rels, 0.482 sec/rel 52 spq #Q=320M 2003 rels, 0.400 sec/rel 50 spq Last fiddled with by swellman on 2022-05-14 at 01:38

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