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Old 2020-04-07, 13:57   #14
EdH
 
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"Ed Hall"
Dec 2009
Adirondack Mtns

2·32·197 Posts
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I ran with t_d=90 and it built a matrix. Here is the log (skipping several thousand error -1 lines):
Code:
Tue Apr  7 07:23:39 2020  Msieve v. 1.54 (SVN 1018)
Tue Apr  7 07:23:39 2020  random seeds: 6d359eb0 a5d0a6e2
Tue Apr  7 07:23:39 2020  factoring 182020007230135528991139915341347872965880609847705423888116875025588252350522154240713634227215698881699545439356408616763969093995140732452346538717063179710306355261 (168 digits)
Tue Apr  7 07:23:39 2020  searching for 15-digit factors
Tue Apr  7 07:23:40 2020  commencing number field sieve (168-digit input)
Tue Apr  7 07:23:40 2020  R0: 3829944921253794893077685127088430174646042802674934480896
Tue Apr  7 07:23:40 2020  R1: -5293955920339377119177015629247762262821197509765625
Tue Apr  7 07:23:40 2020  A0: 1
Tue Apr  7 07:23:40 2020  A1: -1
Tue Apr  7 07:23:40 2020  A2: 1
Tue Apr  7 07:23:40 2020  A3: -1
Tue Apr  7 07:23:40 2020  A4: 1
Tue Apr  7 07:23:40 2020  skew 1.00, size 1.896e-23, alpha 1.694, combined = 5.646e-14 rroots = 0
Tue Apr  7 07:23:40 2020  
Tue Apr  7 07:23:40 2020  commencing relation filtering
Tue Apr  7 07:23:40 2020  setting target matrix density to 90.0
Tue Apr  7 07:23:40 2020  estimated available RAM is 15926.6 MB
Tue Apr  7 07:23:40 2020  commencing duplicate removal, pass 1
Tue Apr  7 07:23:40 2020  error -1 reading relation 70773
. . .
Tue Apr  7 07:44:27 2020  error -1 reading relation 184761257
Tue Apr  7 07:44:27 2020  found 7515640 hash collisions in 184734997 relations
Tue Apr  7 07:44:35 2020  added 3657741 free relations
Tue Apr  7 07:44:35 2020  commencing duplicate removal, pass 2
Tue Apr  7 07:49:47 2020  found 0 duplicates and 188392738 unique relations
Tue Apr  7 07:49:47 2020  memory use: 522.4 MB
Tue Apr  7 07:49:47 2020  reading ideals above 86573056
Tue Apr  7 07:49:47 2020  commencing singleton removal, initial pass
Tue Apr  7 08:05:21 2020  memory use: 5512.0 MB
Tue Apr  7 08:05:21 2020  reading all ideals from disk
Tue Apr  7 08:06:07 2020  memory use: 4137.7 MB
Tue Apr  7 08:06:16 2020  commencing in-memory singleton removal
Tue Apr  7 08:06:24 2020  begin with 188392738 relations and 186264462 unique ideals
Tue Apr  7 08:07:59 2020  reduce to 95263346 relations and 81126535 ideals in 17 passes
Tue Apr  7 08:07:59 2020  max relations containing the same ideal: 34
Tue Apr  7 08:08:05 2020  reading ideals above 720000
Tue Apr  7 08:08:05 2020  commencing singleton removal, initial pass
Tue Apr  7 08:17:23 2020  memory use: 2756.0 MB
Tue Apr  7 08:17:23 2020  reading all ideals from disk
Tue Apr  7 08:17:49 2020  memory use: 3770.9 MB
Tue Apr  7 08:17:59 2020  keeping 90681904 ideals with weight <= 200, target excess is 503859
Tue Apr  7 08:18:10 2020  commencing in-memory singleton removal
Tue Apr  7 08:18:19 2020  begin with 95263346 relations and 90681904 unique ideals
Tue Apr  7 08:19:09 2020  reduce to 95262520 relations and 90681076 ideals in 6 passes
Tue Apr  7 08:19:09 2020  max relations containing the same ideal: 200
Tue Apr  7 08:19:52 2020  removing 4376947 relations and 3976948 ideals in 400000 cliques
Tue Apr  7 08:19:54 2020  commencing in-memory singleton removal
Tue Apr  7 08:20:03 2020  begin with 90885573 relations and 90681076 unique ideals
Tue Apr  7 08:21:23 2020  reduce to 90727470 relations and 86544948 ideals in 10 passes
Tue Apr  7 08:21:23 2020  max relations containing the same ideal: 199
Tue Apr  7 08:22:04 2020  removing 3205222 relations and 2805222 ideals in 400000 cliques
Tue Apr  7 08:22:06 2020  commencing in-memory singleton removal
Tue Apr  7 08:22:14 2020  begin with 87522248 relations and 86544948 unique ideals
Tue Apr  7 08:23:23 2020  reduce to 87430757 relations and 83647732 ideals in 9 passes
Tue Apr  7 08:23:23 2020  max relations containing the same ideal: 197
Tue Apr  7 08:24:02 2020  removing 2831556 relations and 2431556 ideals in 400000 cliques
Tue Apr  7 08:24:04 2020  commencing in-memory singleton removal
Tue Apr  7 08:24:12 2020  begin with 84599201 relations and 83647732 unique ideals
Tue Apr  7 08:25:03 2020  reduce to 84524726 relations and 81141323 ideals in 7 passes
Tue Apr  7 08:25:03 2020  max relations containing the same ideal: 193
Tue Apr  7 08:25:42 2020  removing 2616153 relations and 2216153 ideals in 400000 cliques
Tue Apr  7 08:25:43 2020  commencing in-memory singleton removal
Tue Apr  7 08:25:51 2020  begin with 81908573 relations and 81141323 unique ideals
Tue Apr  7 08:26:41 2020  reduce to 81842732 relations and 78858987 ideals in 7 passes
Tue Apr  7 08:26:41 2020  max relations containing the same ideal: 190
Tue Apr  7 08:27:18 2020  removing 2476265 relations and 2076265 ideals in 400000 cliques
Tue Apr  7 08:27:19 2020  commencing in-memory singleton removal
Tue Apr  7 08:27:26 2020  begin with 79366467 relations and 78858987 unique ideals
Tue Apr  7 08:28:15 2020  reduce to 79305871 relations and 76721826 ideals in 7 passes
Tue Apr  7 08:28:15 2020  max relations containing the same ideal: 189
Tue Apr  7 08:28:51 2020  removing 2372749 relations and 1972749 ideals in 400000 cliques
Tue Apr  7 08:28:52 2020  commencing in-memory singleton removal
Tue Apr  7 08:28:59 2020  begin with 76933122 relations and 76721826 unique ideals
Tue Apr  7 08:29:46 2020  reduce to 76874240 relations and 74689898 ideals in 7 passes
Tue Apr  7 08:29:46 2020  max relations containing the same ideal: 182
Tue Apr  7 08:30:21 2020  removing 2291357 relations and 1891357 ideals in 400000 cliques
Tue Apr  7 08:30:22 2020  commencing in-memory singleton removal
Tue Apr  7 08:30:29 2020  begin with 74582883 relations and 74689898 unique ideals
Tue Apr  7 08:31:14 2020  reduce to 74526812 relations and 72742209 ideals in 7 passes
Tue Apr  7 08:31:14 2020  max relations containing the same ideal: 179
Tue Apr  7 08:31:48 2020  removing 2226430 relations and 1826430 ideals in 400000 cliques
Tue Apr  7 08:31:49 2020  commencing in-memory singleton removal
Tue Apr  7 08:31:56 2020  begin with 72300382 relations and 72742209 unique ideals
Tue Apr  7 08:32:39 2020  reduce to 72244780 relations and 70859867 ideals in 7 passes
Tue Apr  7 08:32:39 2020  max relations containing the same ideal: 178
Tue Apr  7 08:33:12 2020  removing 2176939 relations and 1776939 ideals in 400000 cliques
Tue Apr  7 08:33:13 2020  commencing in-memory singleton removal
Tue Apr  7 08:33:20 2020  begin with 70067841 relations and 70859867 unique ideals
Tue Apr  7 08:34:02 2020  reduce to 70012791 relations and 69027605 ideals in 7 passes
Tue Apr  7 08:34:02 2020  max relations containing the same ideal: 171
Tue Apr  7 08:34:34 2020  removing 2138900 relations and 1738900 ideals in 400000 cliques
Tue Apr  7 08:34:35 2020  commencing in-memory singleton removal
Tue Apr  7 08:34:41 2020  begin with 67873891 relations and 69027605 unique ideals
Tue Apr  7 08:35:22 2020  reduce to 67818603 relations and 67233106 ideals in 7 passes
Tue Apr  7 08:35:22 2020  max relations containing the same ideal: 166
Tue Apr  7 08:36:03 2020  relations with 0 large ideals: 40956
Tue Apr  7 08:36:03 2020  relations with 1 large ideals: 4638
Tue Apr  7 08:36:03 2020  relations with 2 large ideals: 50650
Tue Apr  7 08:36:03 2020  relations with 3 large ideals: 450368
Tue Apr  7 08:36:03 2020  relations with 4 large ideals: 2400538
Tue Apr  7 08:36:03 2020  relations with 5 large ideals: 10328086
Tue Apr  7 08:36:03 2020  relations with 6 large ideals: 15188890
Tue Apr  7 08:36:03 2020  relations with 7+ large ideals: 39354477
Tue Apr  7 08:36:03 2020  commencing 2-way merge
Tue Apr  7 08:36:49 2020  reduce to 44136312 relation sets and 43550815 unique ideals
Tue Apr  7 08:36:49 2020  commencing full merge
Tue Apr  7 08:51:43 2020  memory use: 5047.2 MB
Tue Apr  7 08:51:47 2020  found 21133157 cycles, need 21085015
Tue Apr  7 08:51:54 2020  weight of 21085015 cycles is about 1897713332 (90.00/cycle)
Tue Apr  7 08:51:54 2020  distribution of cycle lengths:
Tue Apr  7 08:51:54 2020  1 relations: 1624365
Tue Apr  7 08:51:54 2020  2 relations: 2016040
Tue Apr  7 08:51:54 2020  3 relations: 2165972
Tue Apr  7 08:51:54 2020  4 relations: 2053169
Tue Apr  7 08:51:54 2020  5 relations: 1873240
Tue Apr  7 08:51:54 2020  6 relations: 1684886
Tue Apr  7 08:51:54 2020  7 relations: 1479454
Tue Apr  7 08:51:54 2020  8 relations: 1301221
Tue Apr  7 08:51:54 2020  9 relations: 1144445
Tue Apr  7 08:51:54 2020  10+ relations: 5742223
Tue Apr  7 08:51:54 2020  heaviest cycle: 28 relations
Tue Apr  7 08:52:00 2020  commencing cycle optimization
Tue Apr  7 08:52:34 2020  start with 150081401 relations
Tue Apr  7 08:57:38 2020  pruned 4616897 relations
Tue Apr  7 08:57:40 2020  memory use: 4375.4 MB
Tue Apr  7 08:57:40 2020  distribution of cycle lengths:
Tue Apr  7 08:57:40 2020  1 relations: 1624365
Tue Apr  7 08:57:40 2020  2 relations: 2057868
Tue Apr  7 08:57:40 2020  3 relations: 2251527
Tue Apr  7 08:57:40 2020  4 relations: 2115999
Tue Apr  7 08:57:40 2020  5 relations: 1936593
Tue Apr  7 08:57:40 2020  6 relations: 1722934
Tue Apr  7 08:57:40 2020  7 relations: 1507973
Tue Apr  7 08:57:40 2020  8 relations: 1314636
Tue Apr  7 08:57:40 2020  9 relations: 1151126
Tue Apr  7 08:57:40 2020  10+ relations: 5401994
Tue Apr  7 08:57:40 2020  heaviest cycle: 28 relations
Tue Apr  7 08:58:14 2020  RelProcTime: 5674
Tue Apr  7 08:58:23 2020  elapsed time 01:34:44
Tue Apr  7 08:58:23 2020  
Tue Apr  7 08:58:23 2020  
Tue Apr  7 08:58:23 2020  Msieve v. 1.54 (SVN 1018)
Tue Apr  7 08:58:23 2020  random seeds: 94f9f8b7 d3e43f04
Tue Apr  7 08:58:23 2020  factoring 182020007230135528991139915341347872965880609847705423888116875025588252350522154240713634227215698881699545439356408616763969093995140732452346538717063179710306355261 (168 digits)
Tue Apr  7 08:58:24 2020  searching for 15-digit factors
Tue Apr  7 08:58:24 2020  commencing number field sieve (168-digit input)
Tue Apr  7 08:58:24 2020  R0: 3829944921253794893077685127088430174646042802674934480896
Tue Apr  7 08:58:24 2020  R1: -5293955920339377119177015629247762262821197509765625
Tue Apr  7 08:58:24 2020  A0: 1
Tue Apr  7 08:58:24 2020  A1: -1
Tue Apr  7 08:58:24 2020  A2: 1
Tue Apr  7 08:58:24 2020  A3: -1
Tue Apr  7 08:58:24 2020  A4: 1
Tue Apr  7 08:58:24 2020  skew 1.00, size 1.896e-23, alpha 1.694, combined = 5.646e-14 rroots = 0
Tue Apr  7 08:58:24 2020  
Tue Apr  7 08:58:24 2020  commencing linear algebra
Tue Apr  7 08:58:26 2020  read 21085015 cycles
Tue Apr  7 08:59:05 2020  cycles contain 67389966 unique relations
Tue Apr  7 09:04:35 2020  read 67389966 relations
Tue Apr  7 09:06:30 2020  using 20 quadratic characters above 4294917295
Tue Apr  7 09:11:15 2020  building initial matrix
Tue Apr  7 09:20:58 2020  memory use: 8502.0 MB
Tue Apr  7 09:21:22 2020  read 21085015 cycles
Tue Apr  7 09:21:26 2020  matrix is 21084838 x 21085015 (7847.5 MB) with weight 2256349165 (107.01/col)
Tue Apr  7 09:21:26 2020  sparse part has weight 1825241089 (86.57/col)
Tue Apr  7 09:26:10 2020  filtering completed in 2 passes
Tue Apr  7 09:26:14 2020  matrix is 21082328 x 21082505 (7847.3 MB) with weight 2256279964 (107.02/col)
Tue Apr  7 09:26:14 2020  sparse part has weight 1825223884 (86.58/col)
Tue Apr  7 09:28:26 2020  matrix starts at (0, 0)
Tue Apr  7 09:28:29 2020  matrix is 21082328 x 21082505 (7847.3 MB) with weight 2256279964 (107.02/col)
Tue Apr  7 09:28:29 2020  sparse part has weight 1825223884 (86.58/col)
Tue Apr  7 09:28:29 2020  saving the first 48 matrix rows for later
Tue Apr  7 09:28:32 2020  matrix includes 64 packed rows
Tue Apr  7 09:28:36 2020  matrix is 21082280 x 21082505 (7503.4 MB) with weight 1887190085 (89.51/col)
Tue Apr  7 09:28:36 2020  sparse part has weight 1756151513 (83.30/col)
Tue Apr  7 09:28:36 2020  using block size 8192 and superblock size 786432 for processor cache size 8192 kB
Tue Apr  7 09:30:18 2020  commencing Lanczos iteration (8 threads)
Tue Apr  7 09:30:18 2020  memory use: 6406.3 MB
Tue Apr  7 09:32:00 2020  linear algebra at 0.0%, ETA 375h10m
target_density=90 appears to be saving over 45 hours of LA at a cost of less than 24 hours of sieving, so like you mentioned, a "free day."

I think I'll hang onto the relations and other needed files and play with greater densities later on.
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