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Old 2022-09-10, 02:51   #122
swellman
 
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QUEUED AS 4p3_1341L

4+3,1341L is a SNFS 269 composite from the HCN project now ready for sieving on 15e. Thanks to @charybdis for his heroic ECM efforts and to @jyb for his always masterful guidance on the Aurifeuillian forms of HCNs.

Code:
n: 243116144080712419818685084607830458270192747812593444041242229498587772157861526979241801454247848074015673685186414403330377530716581935888296303276439054381208531693391782795244375917853897
skew: 0.866
type: snfs
size: 269
c6: 64
c3: -72
c0: 27
Y1: 202755595904452569706561330872953769
Y0: -356811923176489970264571492362373784095686656
rlim: 134000000
alim: 266000000
lpbr: 32
lpba: 32
mfbr: 94
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)
35          3347              0.188
50          3111              0.213
75          2871              0.235
100         2562              0.246
150         2352              0.290
200         2051              0.341
250         1847              0.327
Suggesting a sieving range for Q of 35-215M to generate 455M raw relations.

Last fiddled with by swellman on 2022-09-11 at 14:06
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Old 2022-09-26, 10:56   #123
kruoli
 
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Quote:
Originally Posted by kruoli View Post
I suggest sieving Q 40M-210M for 470M+ relations.
It looks like we get way more relations than anticipated; if possible, can we lower max. Q?
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Old 2022-09-26, 11:14   #124
swellman
 
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Quote:
Originally Posted by kruoli View Post
It looks like we get way more relations than anticipated; if possible, can we lower max. Q?
Changed its status to QUEUED FOR POSTPROCESSING so only the current active WUs will be processed - the remainder of the job won’t be pushed. (The siever volunteers of BOINC land will still get credit for their work.)

Let me know once a matrix is built and LA is underway so I can move it into POSTPROCESSING status.
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Old 2022-09-26, 19:01   #125
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QUEUED AS 7p3_323

7+3,323 is a SNFS 273 job now ready for 15e. I used the lambda formulas suggested by @charybdis to great success - improved sieving yield and speed. It's now part of my NFS recipe.

Code:
n: 4183478623038160915992189999414364307225341758604915677119612696108500563379785953759320827111293236061658766426345246503564126881965925521407267141369652514602141507079292053221740295090231
skew: 1.1517
type: snfs
size: 273
c6: 3
c0: 7
Y1: -58149737003040059690390169
Y0: 4318114567396436564035293097707728087552248849
rlim: 134000000
alim: 266000000
lpbr: 32
lpba: 32
mfbr: 94
mfba: 64
rlambda: 3.6
alambda: 2.4
Results from test sieving with Q in blocks of 1000:

Code:
MQ        Norm_yield
35           3240
50           3106
75           2824
100          2528
150          2206
200          1949
250          1860
Suggesting a sieving range for Q of 35-225M to generate 460M raw relations.

I won’t enqueue this job until others post work for 15e or the siever is running dry, whichever comes first.

Last fiddled with by swellman on 2022-09-30 at 17:20
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Old 2022-09-30, 12:37   #126
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Anybody have any work for 15e? I’ve got a few in the pipe I can enqueue now but that seems rather selfish.

Anyone?
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Old 2022-09-30, 13:08   #127
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I have a C190 for which I'm recently completed ECM-work and started poly selection. Will post it in the Polynomial Request Thread.
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Old 2022-09-30, 14:07   #128
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Quote:
Originally Posted by unconnected View Post
I have a C190 for which I'm recently completed ECM-work and started poly selection. Will post it in the Polynomial Request Thread.
Great news! I suspect the poly search on a c190 will take some time to complete but 15e will be ready when needed. I will dribble in some HCN work in the meantime.
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Old 2022-09-30, 15:48   #129
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I can get 13*2^934-1 test-sieved. I was running part of a second T60 on it, but it's ECMed enough.
I'll post the job in a day or so.
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Old 2022-09-30, 17:00   #130
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QUEUED AS Lucas(2019)

Lucas(2019) is an SNFS candidate of difficulty 281. It has had almost a full t60 and is ready for sieving on 15e.

Code:
n: 9971710468715814110351148007651216679159582622682355643851832775157019396153515061042801455712151259426290740102265199193399276997841938929079392542703109822983008639424109568522172072814025183662464673827789939137177028778051615306606884144921220776175789
skew: 1.14
type: snfs
c6: 4
c5: 3
c4: 30
c3: -15
c2: 45
c1: -27
c0: 6
Y1: 29090180355503362256910111038089984964854261893
Y0: -47068900554068939361891195233676009091941690850
rlim: 134000000
alim: 266000000
lpbr: 33
lpba: 33
mfbr: 96
mfba: 66
rlambda: 3.7
alambda: 2.5
Test-sieving 1k ranges on the rational side:
Code:
MQ      Norm_yield    Speed (sec/rel)
25         4126            0.105
50         3959            0.117
75         3511            0.136
100        3389            0.143
150        2837            0.174
200        2607            0.181
250        2156            0.216
300        2137            0.215
400        1894            0.237
Suggest sieving 25-375M for 950M raw relations.

Last fiddled with by swellman on 2022-09-30 at 17:16
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Old 2022-10-07, 15:40   #131
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QUEUED AS 11p3_290

11+3,290 is a SNFS 241 (quartic) composite from the HCN project ready to sieve on 15e as a 33/32 hybrid job.

Code:
n: 1694571717812399602631895802011706182266292773584907474586730342611056449109249991571125304571350299555811063374345977338995179414382082111570069904951446888646995991964789128615567062421347122169757686886357221
type: snfs
size: 241
skew: 1.0000
c4: 1
c3: -1
c2: 1
c1: -1
c0: 1
Y1: -4710128697246244834921603689
Y0: 2516377186292711566730985912068419625116019959228909823321881
rlim: 134000000
alim: 266000000
lpbr: 33
lpba: 32
mfbr: 96
mfba: 64
rlambda: 3.7
alambda: 2.4
Results of test sieving on the rational side with Q in blocks of 1000:

Code:
MQ       Norm_yield
35          2180
50          2357
75          2703
100         2760
150         2829
200         2636
250         2581
300         2545
Suggesting a sieving range for Q of 35-300M to generate 700M raw relations.

Last fiddled with by swellman on 2022-10-12 at 11:20
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Old 2022-10-18, 11:48   #132
swellman
 
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Default C270_130_127

QUEUED AS C270_130_127

C270_130_127 is a SNFS 273 composite from the XYYXF project just finishing up ECM. Unfortunately, the best polynomial for this job is a quintic so I was compelled to run ECM out to 0.5t65 (all to no avail). It will be enqueued for sieving on 15e.

Code:
n: 768873419453992961557815049582197890274401114573066283848660549220926906472323314753449967968122514823583028944204173539058032279400091754469923189220426824727372127963804232503754514764038694481422552146299529534877315473840634431264207382472177317151949162580046465909
skew: 7.0077
type: snfs
size: 273
c5: 1
c0: 16900
Y1: -70564100148668166660307396930000000000000000000000000
Y0: 4999156640187605193611134808703252241507235811631903489
rlim: 134000000
alim: 266000000
lpbr: 33
lpba: 33
mfbr: 96
mfba: 66
rlambda: 3.65
alambda: 2.4
Results of test sieving on the rational side with Q in blocks of 1000:

Code:
MQ       Norm_yield      Speed (sec/rel)
35          2377              0.384
50          2608              0.376
75          2761              0.418
100         2560              0.439
150         2417              0.446
200         2245              0.488
250         2038              0.546
300         1937              0.525
350         1845              0.547
400         1858              0.532
450         1775              0.590
500         1704              0.587
Suggesting a sieving range for Q of 35-475M to generate 950M raw relations.

Last fiddled with by swellman on 2022-10-19 at 12:31
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