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Old 2022-04-07, 16:10   #45
unconnected
 
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QUEUED AS C172_11040_10203

C172 from 11040:i10203 is ready for 15e_small queue:
Code:
n: 3607100623193836048735140420779820644837250171264851642725788718662763215836137484608969417893213214370950838911664669772547076783729805658875898168820759306138049381677749
# norm 9.580218e-17 alpha -7.993555 e 2.462e-13 rroots 5
skew: 51612206.32
c0: 534038428158646013700740869182836911749872
c1: 1783412497877236593165817751286612624
c2: 27074419893435046885698922026
c3: -3530020725952855585641
c4: -8428215069026
c5: 189720
Y0: -1802225078838503559518221433341155
Y1: 237776844166634117
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 62
rlambda: 2.6
alambda: 2.6
type: gnfs
lss: 0
Suggesting sieving range is 30M-124M, I'll take the LA.

Last fiddled with by swellman on 2022-04-07 at 23:58
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Old 2022-04-08, 14:15   #46
RichD
 
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QUEUED AS 4454783383_23m1

C201 from the OPN t800 file.
This poly tends to generate a higher dup rate. Sieve on the -a side.
Code:
n: 255575044455281076462728257696427952310222999292156743348273967527112735636388151842538524294252630281050926026466912812832255598979229358556617484021078864144446790117392033958426916248892088826677361
# 4454783383^23-1, difficulty: 231.57, skewness: 40.56, alpha: 0.00
# cost: 1.96827e+18, est. time: 937.27 GHz days (not accurate yet!)
lss: 0
skew: 40.564
c6: 1
c0: -4454783383
Y1: -1
Y0: 393827795140409577073341707615905746721
type: snfs
rlim: 67000000
alim: 67000000
lpbr: 30
lpba: 30
mfbr: 60
mfba: 87
rlambda: 2.6
alambda: 3.5
Trial sieving 5K blocks.
Code:
  Q  Yield
 18M 11318
 20M 11335
 50M  7233
 80M  7324
100M  6174

Last fiddled with by swellman on 2022-04-08 at 14:31
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Old 2022-04-11, 15:48   #47
chris2be8
 
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QUEUED AS f73_137m1

(73^137-1)/35317220082293943782344868870907483203832976705439560964435694620600922234408024 from the Brent tables:
Code:
# SNFS diff 258, GNFS equiv 186, GNFS diff 176
n: 53363625145477058165161103212336444022167215001510846057121603314062624975690187692192387407758311307866385760120775093095638269497555538458706125557875500785632775718284129523
# norm 3.800050e-17 alpha -7.207420 e 1.420e-13 rroots 3
skew: 48965347.15
c0: -553252271293261497046811600752278069780720
c1: -1063060144990233172582589441553223812
c2: -81688260394378442974811392148
c3: 1511277130650461348633
c4: 15425797977912
c5: 83700
Y0: -14484515421338060366973989874379199
Y1: 2601120915626502781
type: gnfs
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 32
mfbr: 62
mfba: 64
rlambda: 2.6
alambda: 2.6
lss: 0
Sieve on the algebraic side from 34M to 148M. That should get about 330M relations.

Test sieving 10k ranges:
Code:
  Q  yield special-Q
 34M 27458 581
 84M 28584 525
134M 31126 561
184M 25777 522
I'll do the LA.

Last fiddled with by swellman on 2022-04-11 at 15:57
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Old 2022-04-14, 12:21   #48
swellman
 
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QUEUED AS 11m6_251

11-6,251 is an HCN just completing ECM. It is a SNFS 261 job which just fits within the bounds of 15e_small using a hyrid 32/31 lpb with lims fixed at 134M each.

Code:
n: 25681120412536688522162475454693629805473422435965865611552914991850152897575142727811544685355148008361109680477567129742971824026194979242578089560292783787513493086561209678328022430364048434654829683184992450542724464055334890947734222273051511
type: snfs
size: 261
skew: 1.1063
c6: 6
c0: -11
Y1: -481229803398374426442198455156736
Y0: 54763699237492901685126120802225273763666521
rlim: 134000000
alim: 134000000
lpbr: 32
lpba: 31
mfbr: 94
mfba: 62
rlambda: 3.5
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          2583               0.232
70          2181               0.353
100         2005               0.290
150         1730               0.499
200         1477               0.571
Suggesting a sieving range for Q of 35-210M to generate 350M raw relations.

Last fiddled with by swellman on 2022-04-14 at 12:56
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Old 2022-04-17, 10:57   #49
swellman
 
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Jun 2012

EC016 Posts
Default 8-7,319

QUEUED AS 8m7_319

8-7,319 is a HCN now finishing ECM (28,000+ curves @B1=260e6). It is a SNFS difficulty 261 with an obligatory quintic polynomial to be run on 15e_small as a hybrid 32/31 job.

Code:
n: 7841051939565097445799372445694382262086264641476656318828845467644056934331339059401309282799808357131329986564669431927126387902386546701779104872174537849138037193664753682273547188965246355852107510097
skew: 1.0000
type: snfs
size: 261
c5: 1
c4: 1
c3: -4
c2: -3
c1: 3
c0: 1
Y1: -498256282230823722187324267943936643753714170986496
Y0: 23955610619105832256039421037951177249181011733605233
rlim: 134000000
alim: 134000000
lpbr: 32
lpba: 31
mfbr: 96
mfba: 62
rlambda: 3.5
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          2269               0.340
70          2165               0.381
100         2133               0.433
150         2054               0.501
200         1966               0.492
250         1627               0.550
Suggesting a sieving range for Q of 40-210M to generate 355M raw relations.

Last fiddled with by swellman on 2022-04-17 at 11:18
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Old 2022-04-20, 15:47   #50
chris2be8
 
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QUEUED AS f86_143m1

(86^143-1)/6310004511640595245841714753155862187013059870305 from the extended Brent tables:
Code:
# Built Sun Feb  6 21:26:28 2022
# Estimated SNFS difficulty 255., GNFS equivalent 182, GNFS difficulty 228, degree 6
n: 681159562809415459773396626730281274389503631756800032438006723933164651321650146451124167520281013674183174767782319104528021782159056690781686381047935678578502209506586492340828510223328270171374889249321391333024030627355231
# 86^143-1^143, difficulty: 255.35, skewness: 1.00, alpha: 3.10
# cost: 1.24657e+19, est. time: 5936.07 GHz days (not accurate yet!)
skew: 1.000
c6: 1
c5: 1
c4: -5
c3: -4
c2: 6
c1: 3
c0: -1
Y1: -1903193578437064103936
Y0: 3622145797004077275761664476965378610692097
type: snfs
# msieve rating: skew 1.00, size 1.560e-12, alpha 3.126, combined = 1.573e-13 rroots = 6
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 62
rlambda: 2.6
alambda: 2.6
Sieve on 15e_small from 34M to 143M on the rational side. That should get 220M relations.

Test sieving 10k ranges:
Code:
  Q  yield
 34M 24221
 84M 20048
134M 17717
184M 16140
I also test sieved the degree 5 poly, but that's slightly slower.

I'll do the LA.

Last fiddled with by swellman on 2022-04-20 at 16:38
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Old 2022-04-21, 15:56   #51
swellman
 
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EC016 Posts
Default 9+7,304 HCN GNFS

QUEUED AS 9p7_304

9+7,304 is a HCN c181 stub which recently finished ECM. It is best factored with GNFS on 15e_small.

Code:
n: 2302506453311599845274579133005125038431540801349798597608741943919867936732972901312037476359577457171195734823687349575417040222873250033854252093416826531833178311347945614717473
skew: 75010345.16
type: gnfs
lss: 0
c0: 344457940288294115732652957126733234922903988
c1: -25075105201126238609969312364285540507
c2: -497272844810139437815765244738
c3: 7037509845022232406643
c4: 45126922360494
c5: 453600
Y0: -124948895205364877481083031095396594
Y1: 49039856730632434489471
# MurphyE (Bf=4.295e+09,Bg=2.147e+09,area=2.416e+16) = 1.465e-08
# cownoise: 8.47026796e-14
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 91
rlambda: 2.7
alambda: 3.4
Results of test sieving on the algebraic side with Q in blocks of 1000:

Code:
MQ        Norm_yield      Speed (sec/rel)
30           1961              0.259
50           2119              0.265
75           2098              0.282
100          2022              0.314
125          1909              0.297
150          2946              0.355
Suggesting a sieving range for Q of 30-155M to generate 265M raw relations.

Last fiddled with by swellman on 2022-04-21 at 16:02 Reason: Typo
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Old 2022-04-25, 15:41   #52
chris2be8
 
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QUEUED AS f86_145m1

(86^145-1)/342566367793797626159014316352812442963809646440823536952804035860520605898880194075 from the Brent tables:
Code:
# Record 1 match 1 from parameters read Thu Mar 17 06:43:40 2022
# SNFS difficulty is 224., GNFS equivalent is 180, GNFS difficulty is 197, degree 4
# phi 145 86 1 92796310076150174650606277787066670853018917075743709389649136557988391353696288824916051652989175421518717181309643875668146609882845966643250182902383559070944159727337956058898734243473011583981
n: 92796310076150174650606277787066670853018917075743709389649136557988391353696288824916051652989175421518717181309643875668146609882845966643250182902383559070944159727337956058898734243473011583981
# 86^145-1^145, difficulty: 224.40, skewness: 1.00, alpha: 1.45
# cost: 1.10354e+18, est. time: 525.49 GHz days (not accurate yet!)
skew: 1.000
c4: 1
c3: 1
c2: 1
c1: 1
c0: 1
Y1: -1
Y0: 126024529890394348379345391831458407434589541727066914816
type: snfs
# msieve rating: skew 1.00, size 7.427e-23, alpha 1.694, combined = 1.259e-13 rroots = 0
rlim: 134000000
alim: 134000000
lpbr: 31
lpba: 31
mfbr: 62
mfba: 62
rlambda: 2.6
alambda: 2.6
Sieve from 84M to 175 M on the rational side (yield drops off at lower special-Q).

Test sieving 10k ranges:
Code:
  Q  yield
 34M 17183
 84M 23199
134M 25134
184M 23689
I looked at skewed LPBR/A, but 31/30 yields are too low and 32/31 too high.

Last fiddled with by swellman on 2022-04-25 at 18:30
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Old 2022-04-25, 16:09   #53
VBCurtis
 
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Quote:
Originally Posted by chris2be8 View Post
I looked at skewed LPBR/A, but 31/30 yields are too low and 32/31 too high.
There is no such thing as "yield too high". Average yield of 3 to 4 is a good thing; I've run jobs with yields of 6+ with pleasant results many a time, and on small jobs I've seen yields of 10+.
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Old 2022-04-26, 00:56   #54
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Quote:
Originally Posted by RichD View Post
C251 from the OPN t600 file.
Code:
rlim: 134000000
alim: 268000000
Note these lims place this job on the regular 15e queue, not e-small.
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Old 2022-04-26, 01:07   #55
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Quote:
Originally Posted by VBCurtis View Post
Note these lims place this job on the regular 15e queue, not e-small.
Yes, I meant to place it on 15e. I'll see if I can move it. - Done.

Last fiddled with by RichD on 2022-04-26 at 01:13
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