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 2016-11-14, 23:41 #1 didgogns   Mar 2014 South Korea 24 Posts What is the problem here? Hi, I am going to try SNFS on 3^341-5, C163, but it doesn't give me factors... Can you read these logs and figure out what is the problem? Environment: Windows 10, yafu 1.34, ggnfs-svn413-win64-core2 yafu command: yafu-x64.exe nfs("(3^341-5)/2") -threads 2 factor.log file: Code: 11/15/16 06:36:27 v1.34.5 @ DIDGOGNS_LAPTOP, nfs: commencing msieve filtering 11/15/16 06:39:14 v1.34.5 @ DIDGOGNS_LAPTOP, nfs: commencing msieve linear algebra 11/15/16 07:27:23 v1.34.5 @ DIDGOGNS_LAPTOP, nfs: commencing msieve sqrt 11/15/16 07:34:55 v1.34.5 @ DIDGOGNS_LAPTOP, prp6 = 304021 11/15/16 07:34:55 v1.34.5 @ DIDGOGNS_LAPTOP, C155 = 69002896164507051710129186331443436533336112066965559751839108264163044656348069825411809367845422311503496063463034150997005588324630867287414503342286301 11/15/16 07:34:56 v1.34.5 @ DIDGOGNS_LAPTOP, NFS elapsed time = 83119.6710 seconds. 11/15/16 07:34:56 v1.34.5 @ DIDGOGNS_LAPTOP, 11/15/16 07:34:56 v1.34.5 @ DIDGOGNS_LAPTOP, nfs.log file: Code: Tue Nov 15 05:16:51 2016 Tue Nov 15 05:16:51 2016 commencing relation filtering Tue Nov 15 05:16:51 2016 estimated available RAM is 8107.0 MB Tue Nov 15 05:16:51 2016 commencing duplicate removal, pass 1 Tue Nov 15 05:17:27 2016 found 698447 hash collisions in 6256132 relations Tue Nov 15 05:17:36 2016 added 243 free relations Tue Nov 15 05:17:36 2016 commencing duplicate removal, pass 2 Tue Nov 15 05:17:40 2016 found 523914 duplicates and 5732461 unique relations Tue Nov 15 05:17:40 2016 memory use: 24.6 MB Tue Nov 15 05:17:40 2016 reading ideals above 100000 Tue Nov 15 05:17:40 2016 commencing singleton removal, initial pass Tue Nov 15 05:18:30 2016 memory use: 172.3 MB Tue Nov 15 05:18:30 2016 reading all ideals from disk Tue Nov 15 05:18:30 2016 memory use: 199.2 MB Tue Nov 15 05:18:31 2016 keeping 6388569 ideals with weight <= 200, target excess is 27315 Tue Nov 15 05:18:31 2016 commencing in-memory singleton removal Tue Nov 15 05:18:32 2016 begin with 5732461 relations and 6388569 unique ideals Tue Nov 15 05:18:37 2016 reduce to 2419628 relations and 2478157 ideals in 22 passes Tue Nov 15 05:18:37 2016 max relations containing the same ideal: 117 Tue Nov 15 06:36:27 2016 Tue Nov 15 06:36:27 2016 commencing relation filtering Tue Nov 15 06:36:27 2016 estimated available RAM is 8107.0 MB Tue Nov 15 06:36:27 2016 commencing duplicate removal, pass 1 Tue Nov 15 06:37:05 2016 found 766951 hash collisions in 6600995 relations Tue Nov 15 06:37:14 2016 added 156 free relations Tue Nov 15 06:37:14 2016 commencing duplicate removal, pass 2 Tue Nov 15 06:37:18 2016 found 577530 duplicates and 6023621 unique relations Tue Nov 15 06:37:18 2016 memory use: 24.6 MB Tue Nov 15 06:37:18 2016 reading ideals above 100000 Tue Nov 15 06:37:18 2016 commencing singleton removal, initial pass Tue Nov 15 06:38:12 2016 memory use: 172.3 MB Tue Nov 15 06:38:12 2016 reading all ideals from disk Tue Nov 15 06:38:12 2016 memory use: 209.4 MB Tue Nov 15 06:38:12 2016 keeping 6481389 ideals with weight <= 200, target excess is 28793 Tue Nov 15 06:38:13 2016 commencing in-memory singleton removal Tue Nov 15 06:38:13 2016 begin with 6023621 relations and 6481389 unique ideals Tue Nov 15 06:38:18 2016 reduce to 2873303 relations and 2801395 ideals in 17 passes Tue Nov 15 06:38:18 2016 max relations containing the same ideal: 127 Tue Nov 15 06:38:20 2016 removing 217762 relations and 198508 ideals in 19254 cliques Tue Nov 15 06:38:20 2016 commencing in-memory singleton removal Tue Nov 15 06:38:20 2016 begin with 2655541 relations and 2801395 unique ideals Tue Nov 15 06:38:22 2016 reduce to 2640821 relations and 2588015 ideals in 9 passes Tue Nov 15 06:38:22 2016 max relations containing the same ideal: 124 Tue Nov 15 06:38:23 2016 removing 156785 relations and 137531 ideals in 19254 cliques Tue Nov 15 06:38:23 2016 commencing in-memory singleton removal Tue Nov 15 06:38:24 2016 begin with 2484036 relations and 2588015 unique ideals Tue Nov 15 06:38:25 2016 reduce to 2475372 relations and 2441750 ideals in 7 passes Tue Nov 15 06:38:25 2016 max relations containing the same ideal: 116 Tue Nov 15 06:38:27 2016 relations with 0 large ideals: 641 Tue Nov 15 06:38:27 2016 relations with 1 large ideals: 91 Tue Nov 15 06:38:27 2016 relations with 2 large ideals: 1920 Tue Nov 15 06:38:27 2016 relations with 3 large ideals: 19675 Tue Nov 15 06:38:27 2016 relations with 4 large ideals: 108340 Tue Nov 15 06:38:27 2016 relations with 5 large ideals: 340607 Tue Nov 15 06:38:27 2016 relations with 6 large ideals: 672603 Tue Nov 15 06:38:27 2016 relations with 7+ large ideals: 1331495 Tue Nov 15 06:38:27 2016 commencing 2-way merge Tue Nov 15 06:38:29 2016 reduce to 1507227 relation sets and 1473606 unique ideals Tue Nov 15 06:38:29 2016 ignored 1 oversize relation sets Tue Nov 15 06:38:29 2016 commencing full merge Tue Nov 15 06:39:01 2016 memory use: 183.1 MB Tue Nov 15 06:39:02 2016 found 745954 cycles, need 743806 Tue Nov 15 06:39:02 2016 weight of 743806 cycles is about 52395123 (70.44/cycle) Tue Nov 15 06:39:02 2016 distribution of cycle lengths: Tue Nov 15 06:39:02 2016 1 relations: 99641 Tue Nov 15 06:39:02 2016 2 relations: 89941 Tue Nov 15 06:39:02 2016 3 relations: 82757 Tue Nov 15 06:39:02 2016 4 relations: 72659 Tue Nov 15 06:39:02 2016 5 relations: 63744 Tue Nov 15 06:39:02 2016 6 relations: 54161 Tue Nov 15 06:39:02 2016 7 relations: 45341 Tue Nov 15 06:39:02 2016 8 relations: 39477 Tue Nov 15 06:39:02 2016 9 relations: 33056 Tue Nov 15 06:39:02 2016 10+ relations: 163029 Tue Nov 15 06:39:02 2016 heaviest cycle: 28 relations Tue Nov 15 06:39:02 2016 commencing cycle optimization Tue Nov 15 06:39:03 2016 start with 4689043 relations Tue Nov 15 06:39:13 2016 pruned 120995 relations Tue Nov 15 06:39:13 2016 memory use: 148.4 MB Tue Nov 15 06:39:13 2016 distribution of cycle lengths: Tue Nov 15 06:39:13 2016 1 relations: 99641 Tue Nov 15 06:39:13 2016 2 relations: 91901 Tue Nov 15 06:39:13 2016 3 relations: 85751 Tue Nov 15 06:39:13 2016 4 relations: 74412 Tue Nov 15 06:39:13 2016 5 relations: 64902 Tue Nov 15 06:39:13 2016 6 relations: 54837 Tue Nov 15 06:39:13 2016 7 relations: 45778 Tue Nov 15 06:39:13 2016 8 relations: 39350 Tue Nov 15 06:39:13 2016 9 relations: 32823 Tue Nov 15 06:39:13 2016 10+ relations: 154411 Tue Nov 15 06:39:13 2016 heaviest cycle: 28 relations Tue Nov 15 06:39:14 2016 RelProcTime: 167 Tue Nov 15 06:39:14 2016 Tue Nov 15 06:39:14 2016 commencing linear algebra Tue Nov 15 06:39:14 2016 read 743806 cycles Tue Nov 15 06:39:16 2016 cycles contain 2437519 unique relations Tue Nov 15 06:39:30 2016 read 2437519 relations Tue Nov 15 06:39:33 2016 using 20 quadratic characters above 67108208 Tue Nov 15 06:39:47 2016 building initial matrix Tue Nov 15 06:40:17 2016 memory use: 287.9 MB Tue Nov 15 06:40:18 2016 read 743806 cycles Tue Nov 15 06:40:18 2016 matrix is 743629 x 743806 (222.5 MB) with weight 65507276 (88.07/col) Tue Nov 15 06:40:18 2016 sparse part has weight 50155581 (67.43/col) Tue Nov 15 06:40:24 2016 filtering completed in 2 passes Tue Nov 15 06:40:25 2016 matrix is 743315 x 743492 (222.5 MB) with weight 65496967 (88.09/col) Tue Nov 15 06:40:25 2016 sparse part has weight 50152237 (67.45/col) Tue Nov 15 06:40:27 2016 matrix starts at (0, 0) Tue Nov 15 06:40:27 2016 matrix is 743315 x 743492 (222.5 MB) with weight 65496967 (88.09/col) Tue Nov 15 06:40:27 2016 sparse part has weight 50152237 (67.45/col) Tue Nov 15 06:40:27 2016 saving the first 48 matrix rows for later Tue Nov 15 06:40:28 2016 matrix includes 64 packed rows Tue Nov 15 06:40:28 2016 matrix is 743267 x 743492 (209.6 MB) with weight 51938637 (69.86/col) Tue Nov 15 06:40:28 2016 sparse part has weight 47519592 (63.91/col) Tue Nov 15 06:40:28 2016 using block size 65536 for processor cache size 3072 kB Tue Nov 15 06:40:32 2016 commencing Lanczos iteration (2 threads) Tue Nov 15 06:40:32 2016 memory use: 169.8 MB Tue Nov 15 06:40:44 2016 linear algebra at 0.4%, ETA 0h44m Tue Nov 15 07:27:22 2016 lanczos halted after 11758 iterations (dim = 743264) Tue Nov 15 07:27:23 2016 recovered 34 nontrivial dependencies Tue Nov 15 07:27:23 2016 BLanczosTime: 2889 Tue Nov 15 07:27:23 2016 Tue Nov 15 07:27:23 2016 commencing square root phase Tue Nov 15 07:27:23 2016 reading relations for dependency 1 Tue Nov 15 07:27:24 2016 read 371765 cycles Tue Nov 15 07:27:24 2016 cycles contain 1218916 unique relations Tue Nov 15 07:27:32 2016 read 1218916 relations Tue Nov 15 07:27:38 2016 multiplying 1218916 relations Tue Nov 15 07:28:12 2016 multiply complete, coefficients have about 27.53 million bits Tue Nov 15 07:28:12 2016 initial square root is modulo 80469241 Tue Nov 15 07:28:53 2016 Newton iteration failed to converge Tue Nov 15 07:28:53 2016 algebraic square root failed Tue Nov 15 07:28:53 2016 reading relations for dependency 2 Tue Nov 15 07:28:54 2016 read 371567 cycles Tue Nov 15 07:28:54 2016 cycles contain 1219258 unique relations Tue Nov 15 07:29:02 2016 read 1219258 relations Tue Nov 15 07:29:08 2016 multiplying 1219258 relations Tue Nov 15 07:29:42 2016 multiply complete, coefficients have about 27.53 million bits Tue Nov 15 07:29:42 2016 initial square root is modulo 80798401 Tue Nov 15 07:30:23 2016 GCD is N, no factor found Tue Nov 15 07:30:23 2016 reading relations for dependency 3 Tue Nov 15 07:30:24 2016 read 371647 cycles Tue Nov 15 07:30:24 2016 cycles contain 1217876 unique relations Tue Nov 15 07:30:32 2016 read 1217876 relations Tue Nov 15 07:30:38 2016 multiplying 1217876 relations Tue Nov 15 07:31:12 2016 multiply complete, coefficients have about 27.50 million bits Tue Nov 15 07:31:12 2016 initial square root is modulo 79104341 Tue Nov 15 07:31:54 2016 Newton iteration failed to converge Tue Nov 15 07:31:54 2016 algebraic square root failed Tue Nov 15 07:31:54 2016 reading relations for dependency 4 Tue Nov 15 07:31:54 2016 read 371557 cycles Tue Nov 15 07:31:55 2016 cycles contain 1219546 unique relations Tue Nov 15 07:32:03 2016 read 1219546 relations Tue Nov 15 07:32:08 2016 multiplying 1219546 relations Tue Nov 15 07:32:43 2016 multiply complete, coefficients have about 27.54 million bits Tue Nov 15 07:32:43 2016 initial square root is modulo 81087131 Tue Nov 15 07:33:24 2016 Newton iteration failed to converge Tue Nov 15 07:33:25 2016 algebraic square root failed Tue Nov 15 07:33:25 2016 reading relations for dependency 5 Tue Nov 15 07:33:25 2016 read 371591 cycles Tue Nov 15 07:33:25 2016 cycles contain 1218384 unique relations Tue Nov 15 07:33:33 2016 read 1218384 relations Tue Nov 15 07:33:39 2016 multiplying 1218384 relations Tue Nov 15 07:34:13 2016 multiply complete, coefficients have about 27.51 million bits Tue Nov 15 07:34:14 2016 initial square root is modulo 79658321 Tue Nov 15 07:34:55 2016 sqrtTime: 452 Thanks!
 2016-11-15, 03:31 #2 Dubslow Basketry That Evening!     "Bunslow the Bold" Jun 2011 40

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